-------------
      name:  <unnamed>
       log:  C:\D\projekte\Replication McCabe_Snyder\McCabe_Snyder_ReStat_Table_6.smcl
  log type:  smcl
 opened on:  24 Mar 2017, 11:40:55

.
. **********************************************************************
. *
. * Program McCabe_Snyder_ReStat_Table_6.DO
. *
. * Runs regressions for regional results for single-authored citing
. * papers in Table 6.
. *
. * McCabe & Snyder August 2013
. *
. **********************************************************************
.
. **********************************************************************
. *
. * Note on computation of subscription elasticity. Take marginal effect,
. * which is IRR - 1.  Then multiply by mean number of subscribers.
. * Relevant means are provided after each regression.
. *
. **********************************************************************
.
. * Set initial Stata parameters
. version 12

. set more 1

. set matsize 4000

. #delimit ;
delimiter now ;
. use McCabe_Snyder_ReStat_combined;

. summ;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     journal |     60,453    75.22565    53.00826          4        229
       pyear |     60,453    1979.671    11.73278       1956       2005
       cyear |     60,453    1994.847    7.148305       1980       2005
cusa_sing_~h |     60,453    10.90015    18.42545          0        225
ceng_sing_~h |     60,453    3.618811    6.116916          0        114
-------------+---------------------------------------------------------
ceur_sing_~h |     60,453    2.985526    5.854751          0         95
coth_sing_~h |     60,453    1.129423    2.525747          0         49
        issn |          0
    fpubdate |     60,453    1947.552    26.46888       1844       1988
        own1 |     60,453    .0065671    .0807717          0          1
-------------+---------------------------------------------------------
      jstor1 |     60,453    .0248623    .1557066          0          1
    ingenta1 |     60,453    .0052934    .0725633          0          1
   proquest1 |     60,453    .0194035    .1379396          0          1
      ebsco1 |     60,453    .0434222    .2038072          0          1
       gale1 |     60,453    .0073445    .0853858          0          1
-------------+---------------------------------------------------------
       oclc1 |     60,453    .0038212    .0616977          0          1
        own2 |     60,453     .019999    .1399978          0          1
      jstor2 |     60,453    .1180587    .3226802          0          1
    ingenta2 |     60,453    .0054092    .0733484          0          1
   proquest2 |     60,453    .0802938    .2717497          0          1
-------------+---------------------------------------------------------
      ebsco2 |     60,453    .0824773    .2750928          0          1
       gale2 |     60,453    .0361769    .1867316          0          1
       oclc2 |     60,453    .0172034    .1300299          0          1
        cusa |     60,453    21.27597    36.34841          0        404
        ceng |     60,453     6.23974    10.71303          0        180
-------------+---------------------------------------------------------
        ceur |     60,453    5.529817    11.20683          0        201
        coth |     60,453    2.125866    4.679829          0        100
        cmis |     60,453    .5693679    1.273637          0         22
       digz1 |     60,453    .0002481    .0157502          0          1
       digz2 |     60,453    .0001654    .0128605          0          1
-------------+---------------------------------------------------------
   elsevier1 |     60,453    .0126545    .1117789          0          1
   elsevier2 |     60,453    .0461516     .209815          0          1
  blackwell1 |     60,453    .0029279    .0540312          0          1
  blackwell2 |     60,453    .0078573    .0882935          0          1
     ingaoc1 |     60,453    .0111492    .1050002          0          1
-------------+---------------------------------------------------------
     ingaoc2 |     60,453     .051263    .2205354          0          1
    jss2_usa |     60,453    .6965416    2.252154          0      10.96
    jss2_eng |     60,453    .1013045     .335692          0       1.76
    jss2_eur |     60,453    .1321814    .4711944          0       2.77
    jss2_oth |     60,453    .1499141    .5599059          0       3.49
-------------+---------------------------------------------------------
        jss2 |     60,453    1.079942    3.556491          0      18.98
     es2_usa |     60,453    .0110188    .0779576          0       1.15
     es2_eng |     60,453    .0184732    .1299557          0       1.87
     es2_eur |     60,453    .0092533    .0647896          0         .9
     es2_oth |     60,453    .0108962    .0780014          0       1.15
-------------+---------------------------------------------------------
         es2 |     60,453    .0496415    .3498687          0       5.07
      cit_20 |     53,437    2.984674    5.791662          0        103
   cit_20_40 |     53,437    3.355802    7.523935          0        342
   cit_40_60 |     53,437    4.079439    8.433056          0        133
   cit_60_80 |     53,437    6.533713    13.20245          0        158
-------------+---------------------------------------------------------
      cit_80 |     53,437    20.89648    36.55057          0        562
quintile_m~e |     60,453    2.767886    .6405921          1          3
 fraction_80 |     53,840    .1442456     .112933   .0033223   .8333333
   cit_total |     60,453    35.74076      59.352          0        771
   obs_count |     60,453    76.10696    65.71754          6        706
-------------+---------------------------------------------------------
  count_null |     53,840    64.92593    65.79545          0        693
count_obs_80 |     53,840    8.360141    7.462537          1         67

. * Set threshold to screen out observations forcing us to estimate;
. * OA variables with few degrees of freedom behind them;
. gen threshold = 10;

. ***************************************************************;
. *** Create cyear variables and journal volume fixed effects ***;
. ***************************************************************;
. forvalues num = 1956/2005 {;
  2.    quietly gen byte py`num' = (pyear == `num');
  3.    };

. forvalues x = 80/99 {;
  2.    quietly gen byte c`x' = (cyear == 1900 + `x');
  3.    };

. forvalues x = 0/4 {;
  2.    quietly gen byte c0`x' = (cyear == 2000 + `x');
  3.    };

. * create journal volume fixed effect groups;
. sort journal pyear;

. egen volume = group(journal pyear);

. ********************************************************************;
. *** Generate digitization variables                              ***;
. ********************************************************************;
. * Generate channel count variables;
. gen partial = own1 + elsevier1 + jstor1 + ingenta1 + gale1 + oclc1 +  blackwell1 + ebsco1 + proquest1 + digz1;

. gen full    = own2 + elsevier2 + jstor2 + ingenta2 + gale2 + oclc2 +  blackwell2 + ebsco2 + proquest2 + digz2;

. gen other_partial = own1 + ingenta1 + gale1 + oclc1 +  blackwell1 + ebsco1 + proquest1 + digz1;

. gen other_full    = own2 + ingenta2 + gale2 + oclc2 +  blackwell2 + ebsco2 + proquest2 + digz2;

. * Generate other variables;
. gen op = (other_partial > 0) & (other_full == 0);

. gen os = (other_partial == 0) & (other_full == 1);

. gen oh = (other_partial > 0) & (other_full == 1);

. gen om = other_full >= 2;

. * JSTOR partial dummy;
. gen jp  = jstor1 > 0;

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier dummies for partial access and full access to current content;
. gen ep  = elsevier1 > 0;

. gen ecf = (elsevier1 == 0) * (elsevier2 == 1) * (es2 == 0);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * Dummies for screening;
. gen jsfs_dum = jsfs > 0;

. gen jsfp_dum = jsfp > 0;

. gen jsfd_dum = jsfd > 0;

. gen esf_dum = esf > 0;

. drop jsfs jsfp jsfd esf;

. * Interact with citation-year blocks;
. gen c95_99 = (cyear >= 1995 & cyear <= 1999);

. gen c00_05 = (cyear >= 2000 & cyear <= 2005);

. foreach abbrev in op os oh om jp ep ecf {;
  2.    quietly gen `abbrev'95 = `abbrev' * c95_99;
  3.    quietly gen `abbrev'00 = `abbrev' * c00_05;
  4.    };

. drop c95_99 c00_05 op os oh om jp ep ecf;

. * Generate remaining variables;
. gen cit = cusa + ceng + ceur + coth + cmis;

. gen age = cyear - pyear;

. gen age2 = age^2;

. gen age3 = age^3;

. gen age4 = age^4;

. save region_temp, replace;
(note: file region_temp.dta not found)
file region_temp.dta saved

. **********************************************************************;
. *** 1956-1965                                                      ***;
. **********************************************************************;
. gen plower = 1956;

. gen pupper = 1965;

. keep if pyear >= plower & pyear <= pupper;
(51,509 observations deleted)

. * Create fixed effects for publication x citation year interactions;
. * Drop the 2005 cyear to avoid multicolinearity with the constant;
. * Don't create variables with pyear after cyear;
. * Do create variables with pyear = cyear since keeping age0 = 1 observations;
. forvalues y = 56/99 {;
  2.    forvalues x = 80/99 {;
  3.       quietly gen ip`y'c`x' = py19`y' * c`x' if
>          (`x' >= `y')
>        & (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 56/99 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip`y'c0`x' = py19`y' * c0`x' if
>          (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 0/5 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip0`y'c0`x' = py200`y' * c0`x' if
>          (`x' >= `y')
>        & (2000 + `y' >= plower)
>        & (2000 + `y' <= pupper);
  4.    };
  5. };

. foreach var of varlist ip* {;
  2.    capture assert !missing(`var');
  3.    if _rc {;
  4.       drop `var';
  5.    };
  6. };

. egen title = group(journal);

. rename journal smournal;

. quietly tabulate title, generate(journal);

. drop title;

. foreach var of varlist journal* {;
  2.    quietly gen ia1`var' = age * `var';
  3.    quietly gen ia2`var' = age2 * `var';
  4.    quietly gen ia3`var' = age3 * `var';
  5.    quietly gen ia4`var' = age4 * `var';
  6. };

. rename smournal journal;

. * avoid multicolinearity by dropping first journal's age profile;
.  drop ia1journal1 ia2journal1 ia3journal1 ia4journal1;

.  save region_temp_1, replace;
(note: file region_temp_1.dta not found)
file region_temp_1.dta saved

. * USA;
. replace jss2 = jss2_usa;
(1,240 real changes made)

. replace es2 = es2_usa;
(0 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml cusa_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 39 groups (1014 obs) dropped because of all zero outcomes
note: ia1journal25 dropped because of collinearity
note: ia2journal25 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ep00 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity
note: esf dropped because of collinearity

Iteration 0:   log likelihood = -12056.518
Iteration 1:   log likelihood = -10468.778
Iteration 2:   log likelihood = -10415.546
Iteration 3:   log likelihood = -10412.063
Iteration 4:   log likelihood = -10410.242
Iteration 5:   log likelihood = -10409.066
Iteration 6:   log likelihood = -10408.898
Iteration 7:   log likelihood = -10408.894
Iteration 8:   log likelihood = -10408.894

Conditional fixed-effects Poisson regression    Number of obs     =      7,930
Group variable: volume                          Number of groups  =        305

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(333)    =    2989.12
Log likelihood  = -10408.894                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 cusa_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip56c80 |    1.321723    .2405814      5.49    0.000       .850192     1.793254
       ip56c81 |    1.120827    .2454197      4.57    0.000       .639813     1.601841
       ip56c82 |    1.311342    .2422235      5.41    0.000      .8365925     1.786091
       ip56c83 |    1.200634    .2446984      4.91    0.000      .7210336     1.680234
       ip56c84 |    1.288399    .2429587      5.30    0.000      .8122086     1.764589
       ip56c85 |    1.065682    .2474338      4.31    0.000      .5807204     1.550643
       ip56c86 |    1.337438    .2410584      5.55    0.000      .8649726     1.809904
       ip56c87 |    1.036928    .2465788      4.21    0.000      .5536426     1.520214
       ip56c88 |    1.024381    .2456069      4.17    0.000      .5429999     1.505761
       ip56c89 |    1.159667    .2407674      4.82    0.000      .6877721     1.631563
       ip56c90 |    1.164898    .2386767      4.88    0.000      .6971004     1.632696
       ip56c91 |    1.032357     .239517      4.31    0.000      .5629123     1.501802
       ip56c92 |    1.021619    .2371692      4.31    0.000      .5567756     1.486462
       ip56c93 |    1.289834    .2281954      5.65    0.000      .8425795     1.737089
       ip56c94 |    1.217594    .2264796      5.38    0.000      .7737017     1.661485
       ip56c95 |    1.042914    .2270235      4.59    0.000      .5979564     1.487872
       ip56c96 |    1.134588    .2153653      5.27    0.000      .7124794     1.556696
       ip56c97 |    1.245854     .213448      5.84    0.000       .827504     1.664205
       ip56c98 |    .9362687    .2072749      4.52    0.000      .5300173      1.34252
       ip56c99 |    .8075013    .2008108      4.02    0.000      .4139194     1.201083
       ip57c80 |    1.176545    .2747216      4.28    0.000      .6381001     1.714989
       ip57c81 |    .9566152    .2817636      3.40    0.001      .4043687     1.508862
       ip57c82 |    1.063679    .2797495      3.80    0.000      .5153799     1.611978
       ip57c83 |    1.332669    .2738132      4.87    0.000      .7960049     1.869333
       ip57c84 |    1.305366    .2748143      4.75    0.000      .7667396     1.843992
       ip57c85 |    1.350054     .273917      4.93    0.000      .8131866     1.886922
       ip57c86 |    1.162594    .2784458      4.18    0.000      .6168502     1.708338
       ip57c87 |    1.048413     .281407      3.73    0.000      .4968655     1.599961
       ip57c88 |    .9325705    .2845975      3.28    0.001      .3747697     1.490371
       ip57c89 |    .9031246    .2847945      3.17    0.002      .3449376     1.461312
       ip57c90 |    1.178564    .2747954      4.29    0.000      .6399754     1.717153
       ip57c91 |     .937922    .2809918      3.34    0.001      .3871883     1.488656
       ip57c92 |    1.204357    .2707368      4.45    0.000      .6737228     1.734992
       ip57c93 |    1.002188    .2750219      3.64    0.000      .4631548     1.541221
       ip57c94 |    .8818153    .2771468      3.18    0.001      .3386176     1.425013
       ip57c95 |    .9610919     .271715      3.54    0.000      .4285404     1.493644
       ip57c96 |    .6283298    .2754488      2.28    0.023        .08846       1.1682
       ip57c97 |    1.154418    .2584296      4.47    0.000      .6479052     1.660931
       ip57c98 |    .6443569    .2670325      2.41    0.016      .1209828     1.167731
       ip57c99 |    .3537401    .2750802      1.29    0.198     -.1854072     .8928873
       ip58c80 |    1.348155    .2319572      5.81    0.000       .893527     1.802783
       ip58c81 |    1.461396    .2309907      6.33    0.000      1.008662     1.914129
       ip58c82 |    1.295177    .2342447      5.53    0.000      .8360659     1.754288
       ip58c83 |    1.319655    .2342449      5.63    0.000      .8605433     1.778766
       ip58c84 |    1.426042    .2326793      6.13    0.000      .9699986     1.882085
       ip58c85 |    1.369277    .2335549      5.86    0.000      .9115182     1.827036
       ip58c86 |    1.378721    .2330983      5.91    0.000      .9218571     1.835586
       ip58c87 |    1.260262    .2346722      5.37    0.000      .8003129     1.720211
       ip58c88 |    1.350833    .2321893      5.82    0.000        .89575     1.805915
       ip58c89 |     .956425    .2395241      3.99    0.000      .4869664     1.425884
       ip58c90 |    1.004808    .2369686      4.24    0.000      .5403583     1.469258
       ip58c91 |    1.003429    .2353557      4.26    0.000      .5421404     1.464718
       ip58c92 |    1.120273    .2306569      4.86    0.000      .6681935     1.572352
       ip58c93 |    1.145053     .227852      5.03    0.000      .6984711     1.591634
       ip58c94 |      1.3442    .2212901      6.07    0.000      .9104792     1.777921
       ip58c95 |    .9762682    .2264871      4.31    0.000      .5323616     1.420175
       ip58c96 |    .7994776    .2228227      3.59    0.000      .3627531     1.236202
       ip58c97 |    .8588791     .222097      3.87    0.000       .423577     1.294181
       ip58c98 |    .4394869    .2255599      1.95    0.051     -.0026023     .8815762
       ip58c99 |    .6444373    .2107906      3.06    0.002      .2312952     1.057579
       ip59c80 |    1.656025    .2684203      6.17    0.000      1.129931     2.182119
       ip59c81 |    1.657784     .269279      6.16    0.000      1.130007     2.185561
       ip59c82 |    1.500327    .2735225      5.49    0.000      .9642325     2.036421
       ip59c83 |    1.651672    .2707679      6.10    0.000      1.120977     2.182368
       ip59c84 |    1.619329    .2718593      5.96    0.000      1.086495     2.152164
       ip59c85 |    1.671223    .2708656      6.17    0.000      1.140336      2.20211
       ip59c86 |    1.325859    .2793964      4.75    0.000      .7782516     1.873465
       ip59c87 |    1.449352    .2758311      5.25    0.000       .908733     1.989971
       ip59c88 |    1.515148    .2736692      5.54    0.000      .9787662      2.05153
       ip59c89 |    1.558443     .271782      5.73    0.000       1.02576     2.091126
       ip59c90 |    1.288437    .2780965      4.63    0.000      .7433775     1.833496
       ip59c91 |    1.251218    .2778807      4.50    0.000      .7065822     1.795854
       ip59c92 |    1.395721    .2718194      5.13    0.000      .8629644     1.928477
       ip59c93 |    1.325259    .2718726      4.87    0.000      .7923983     1.858119
       ip59c94 |    1.348137    .2688846      5.01    0.000      .8211331     1.875141
       ip59c95 |     1.16345    .2721957      4.27    0.000      .6299564     1.696944
       ip59c96 |    .8642022    .2757342      3.13    0.002      .3237731     1.404631
       ip59c97 |    1.028725    .2702526      3.81    0.000        .49904     1.558411
       ip59c98 |    1.213306    .2549621      4.76    0.000      .7135899     1.713023
       ip59c99 |    .7022252     .269106      2.61    0.009       .174787     1.229663
       ip60c80 |    1.213011    .2165631      5.60    0.000      .7885547     1.637466
       ip60c81 |    1.176466    .2182427      5.39    0.000      .7487179     1.604214
       ip60c82 |    1.117243    .2203198      5.07    0.000      .6854247     1.549062
       ip60c83 |    1.093224    .2216493      4.93    0.000      .6587993     1.527649
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  ia2journal19 |    .0055864    .0050841      1.10    0.272     -.0043782      .015551
  ia2journal20 |    .0001501    .0005082      0.30    0.768      -.000846     .0011462
  ia2journal21 |   -.0032898    .0017008     -1.93    0.053     -.0066234     .0000437
  ia2journal22 |   -.7834589    .5414064     -1.45    0.148     -1.844596      .277678
  ia2journal23 |    .0033504    .0028658      1.17    0.242     -.0022665     .0089672
  ia2journal24 |   -.0010096    .0063372     -0.16    0.873     -.0134302      .011411
  ia2journal26 |    .0007521    .0046168      0.16    0.871     -.0082966     .0098008
  ia2journal27 |    .0022451    .0006469      3.47    0.001      .0009771      .003513
  ia2journal28 |    .0015943    .0027995      0.57    0.569     -.0038925     .0070811
  ia2journal29 |    .0028013    .0013011      2.15    0.031      .0002513     .0053513
  ia2journal30 |    .0007864    .0007037      1.12    0.264     -.0005927     .0021656
  ia2journal31 |    -.000034    .0008859     -0.04    0.969     -.0017703     .0017023
  ia2journal32 |    .0041636     .001304      3.19    0.001      .0016078     .0067194
  ia2journal33 |   -.0058925    .0048997     -1.20    0.229     -.0154957     .0037107
  ia2journal34 |    .0015367    .0011667      1.32    0.188     -.0007501     .0038234
  ia2journal35 |   -.0111625    .0107365     -1.04    0.298     -.0322055     .0098806
  ia2journal36 |    .0042614    .0101787      0.42    0.675     -.0156884     .0242113
  ia2journal37 |    .0018159    .0022254      0.82    0.415     -.0025459     .0061776
  ia2journal38 |     .000527    .0007625      0.69    0.490     -.0009676     .0020215
  ia2journal39 |   -.0010489    .0015675     -0.67    0.503     -.0041211     .0020234
          op00 |    .1692269    .1069658      1.58    0.114     -.0404222      .378876
          os00 |    .0820088    .1497551      0.55    0.584     -.2115057     .3755234
          oh00 |    .1918379    .1657856      1.16    0.247      -.133096     .5167717
          om00 |    .0841316    .2055765      0.41    0.682      -.318791     .4870542
          jp95 |    .1626823    .0602964      2.70    0.007      .0445036     .2808611
          jp00 |   -.0520125    .0906191     -0.57    0.566     -.2296228     .1255977
          jsfs |    .0331253    .0117416      2.82    0.005      .0101121     .0561385
          jsfp |    .0339588    .0146815      2.31    0.021      .0051836     .0627341
          jsfd |    .0415559    .0166966      2.49    0.013      .0088312     .0742806
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 cusa_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
cusa_sing_auth |
       ip56c80 |    3.749877    1.252154      3.96    0.000      1.948879     7.215212
       ip56c81 |    3.067389    1.198364      2.87    0.004      1.426338     6.596527
       ip56c82 |     3.71115    1.090245      4.46    0.000      2.086635     6.600407
       ip56c83 |    3.322222    1.045311      3.82    0.000      1.793101     6.155346
       ip56c84 |    3.626974    1.371334      3.41    0.001      1.728665     7.609884
       ip56c85 |    2.902817     1.11408      2.78    0.005      1.368153     6.158921
       ip56c86 |    3.809273    1.420831      3.59    0.000      1.833792     7.912871
       ip56c87 |    2.820539    1.142273      2.56    0.010      1.275291     6.238138
       ip56c88 |     2.78537    1.229195      2.32    0.020      1.172854     6.614875
       ip56c89 |    3.188873    1.298333      2.85    0.004      1.435737     7.082711
       ip56c90 |    3.205597    .9851244      3.79    0.000      1.755185     5.854569
       ip56c91 |    2.807675    1.049783      2.76    0.006      1.349226      5.84264
       ip56c92 |    2.777687    .9404537      3.02    0.003      1.430501     5.393595
       ip56c93 |    3.632184    1.103286      4.25    0.000      2.002687     6.587531
       ip56c94 |    3.379046     1.27378      3.23    0.001      1.614067     7.074027
       ip56c95 |    2.837474    .8212394      3.60    0.000      1.609059     5.003708
       ip56c96 |    3.109891    1.003788      3.52    0.000      1.651964     5.854499
       ip56c97 |    3.475903    .8831921      4.90    0.000      2.112447     5.719386
       ip56c98 |    2.550447    .9069048      2.63    0.008        1.2704     5.120262
       ip56c99 |    2.242298     .438342      4.13    0.000        1.5286      3.28922
       ip57c80 |    3.243148    .8257263      4.62    0.000      1.968999     5.341807
       ip57c81 |    2.602871    .6259285      3.98    0.000      1.624647     4.170099
       ip57c82 |    2.897009      1.0148      3.04    0.002      1.458077      5.75598
       ip57c83 |    3.791148    .8724055      5.79    0.000      2.414878     5.951771
       ip57c84 |    3.689038    .9365013      5.14    0.000      2.242986     6.067358
       ip57c85 |    3.857634     .776832      6.70    0.000      2.599622     5.724426
       ip57c86 |    3.198218    .9103335      4.08    0.000      1.830729     5.587173
       ip57c87 |     2.85312    .8366327      3.58    0.000        1.6059     5.068991
       ip57c88 |    2.541032    .9651623      2.46    0.014      1.206973     5.349618
       ip57c89 |      2.4673     .710573      3.14    0.002       1.40307     4.338752
       ip57c90 |    3.249706    .8857328      4.32    0.000      1.904769     5.544287
       ip57c91 |    2.554667    .7060518      3.39    0.001      1.486215     4.391239
       ip57c92 |    3.334615    .9237951      4.35    0.000      1.937473     5.739258
       ip57c93 |    2.724235    .6473619      4.22    0.000      1.709909     4.340265
       ip57c94 |     2.41528    .7050323      3.02    0.003      1.363005     4.279938
       ip57c95 |     2.61455    .7602682      3.31    0.001      1.478705     4.622877
       ip57c96 |    1.874477    .4897722      2.40    0.016      1.123244     3.128139
       ip57c97 |    3.172176    .7824005      4.68    0.000      1.956199     5.144008
       ip57c98 |    1.904762      .60557      2.03    0.043      1.021464      3.55188
       ip57c99 |    1.424385    .4120774      1.22    0.221      .8079287     2.511202
       ip58c80 |    3.850314     1.29151      4.02    0.000       1.99516     7.430441
       ip58c81 |    4.311974    1.380727      4.56    0.000       2.30205     8.076764
       ip58c82 |    3.651642    1.245298      3.80    0.000      1.871579     7.124729
       ip58c83 |    3.742129    1.208137      4.09    0.000      1.987516     7.045746
       ip58c84 |    4.162191    1.101587      5.39    0.000      2.477642     6.992066
       ip58c85 |    3.932508    1.407566      3.83    0.000      1.949837     7.931235
       ip58c86 |    3.969823    1.186277      4.61    0.000        2.2101     7.130669
       ip58c87 |    3.526345    1.218128      3.65    0.000      1.791797     6.940023
       ip58c88 |    3.860639    1.136793      4.59    0.000      2.167788     6.875456
       ip58c89 |    2.602376    .9250594      2.69    0.007       1.29657     5.223292
       ip58c90 |    2.731384    .9199422      2.98    0.003      1.411543     5.285319
       ip58c91 |    2.727619    .7201167      3.80    0.000      1.625768      4.57624
       ip58c92 |     3.06569    .9320034      3.68    0.000      1.689482      5.56292
       ip58c93 |    3.142607    1.071627      3.36    0.001       1.61076     6.131254
       ip58c94 |    3.835117    .8867404      5.81    0.000      2.437627     6.033788
       ip58c95 |    2.654532    .7517907      3.45    0.001      1.523768     4.624416
       ip58c96 |    2.224379    .6449511      2.76    0.006      1.260102     3.926556
       ip58c97 |    2.360513    .5869139      3.45    0.001      1.449991     3.842799
       ip58c98 |    1.551911    .3626478      1.88    0.060      .9816563     2.453432
       ip58c99 |    1.904915    .3010148      4.08    0.000      1.397554     2.596465
       ip59c80 |    5.238447     1.17347      7.39    0.000      3.376945     8.126082
       ip59c81 |    5.247668     1.10086      7.90    0.000      3.478568     7.916481
       ip59c82 |    4.483153    1.095966      6.14    0.000       2.77649     7.238875
       ip59c83 |    5.215695    1.240415      6.94    0.000      3.272476     8.312813
       ip59c84 |    5.049702    1.092074      7.49    0.000      3.305069     7.715267
       ip59c85 |    5.318669    1.101978      8.07    0.000      3.543579     7.982958
       ip59c86 |    3.765417    1.021027      4.89    0.000      2.213105     6.406547
       ip59c87 |    4.260352    1.132983      5.45    0.000      2.529765     7.174819
       ip59c88 |    4.550094    1.013166      6.80    0.000      2.940926     7.039743
       ip59c89 |    4.751416    1.015372      7.29    0.000      3.125521     7.223102
       ip59c90 |    3.627112    .8550562      5.47    0.000      2.285065      5.75736
       ip59c91 |    3.494598    .7279072      6.01    0.000      2.323251     5.256518
       ip59c92 |    4.037883    .8265026      6.82    0.000      2.703484     6.030922
       ip59c93 |    3.763159    .9933325      5.02    0.000      2.243197     6.313029
       ip59c94 |    3.850247    .8911933      5.82    0.000      2.446054     6.060536
       ip59c95 |    3.200958    .9429093      3.95    0.000       1.79697     5.701895
       ip59c96 |    2.373112    .5445728      3.77    0.000      1.513519     3.720907
       ip59c97 |    2.797498    .7007467      4.11    0.000       1.71219     4.570752
       ip59c98 |    3.364591    .8265039      4.94    0.000      2.078914     5.445377
       ip59c99 |    2.018239     .422776      3.35    0.001      1.338643     3.042848
       ip60c80 |    3.363596     .588357      6.93    0.000       2.38733     4.739092
       ip60c81 |    3.242893    .4873892      7.83    0.000       2.41547     4.353751
       ip60c82 |    3.056418    .5554555      6.15    0.000      2.140525     4.364204
       ip60c83 |    2.983878    .6144159      5.31    0.000      1.993006     4.467387
       ip60c84 |    3.003769    .5034265      6.56    0.000      2.162752     4.171829
       ip60c85 |    3.688239    .5812397      8.28    0.000       2.70817      5.02299
       ip60c86 |    3.031532     .474174      7.09    0.000      2.231117     4.119097
       ip60c87 |    2.165901    .4323805      3.87    0.000      1.464578     3.203057
       ip60c88 |    2.724916    .4362587      6.26    0.000      1.991021     3.729326
       ip60c89 |    2.830938    .4724785      6.23    0.000       2.04111     3.926399
       ip60c90 |    2.569059    .5105679      4.75    0.000      1.740238     3.792622
       ip60c91 |    2.578382    .5340179      4.57    0.000      1.718113     3.869391
       ip60c92 |    3.308394    .7347922      5.39    0.000       2.14075     5.112915
       ip60c93 |    3.259798    .7726701      4.99    0.000      2.048474     5.187416
       ip60c94 |    3.108816    .7720399      4.57    0.000      1.910771     5.058031
       ip60c95 |    2.886345    .7615082      4.02    0.000      1.720975     4.840853
       ip60c96 |    2.842153    .5518847      5.38    0.000      1.942507     4.158459
       ip60c97 |    2.188236    .4698606      3.65    0.000      1.436558     3.333229
       ip60c98 |    2.419197    .6331851      3.38    0.001      1.448383     4.040725
       ip60c99 |    2.281443    .2714676      6.93    0.000      1.806865     2.880671
       ip61c80 |    2.414157     .679889      3.13    0.002      1.390097     4.192623
       ip61c81 |    2.373192    .6664319      3.08    0.002      1.368678     4.114949
       ip61c82 |    2.592357    .6186714      3.99    0.000      1.623879     4.138432
       ip61c83 |    3.079118    .7805187      4.44    0.000      1.873515     5.060524
       ip61c84 |    2.822277    .7295496      4.01    0.000      1.700462     4.684169
       ip61c85 |    2.681826    .6796443      3.89    0.000      1.631977     4.407042
       ip61c86 |    2.986342    .6605565      4.95    0.000      1.935798     4.607007
       ip61c87 |    2.484519    .5737829      3.94    0.000      1.580021     3.906803
       ip61c88 |    2.616865    .7125951      3.53    0.000      1.534588     4.462425
       ip61c89 |     2.54233    .6327864      3.75    0.000      1.560873     4.140913
       ip61c90 |    2.478244    .5513795      4.08    0.000      1.602367     3.832889
       ip61c91 |    2.596255    .5685785      4.36    0.000      1.690187     3.988045
       ip61c92 |    2.366487    .5158025      3.95    0.000      1.543744     3.627715
       ip61c93 |    2.761195    .6817624      4.11    0.000      1.701877     4.479876
       ip61c94 |    2.056648    .4758475      3.12    0.002      1.306824     3.236703
       ip61c95 |    2.268182    .4562657      4.07    0.000      1.529153     3.364379
       ip61c96 |    1.696987    .4156165      2.16    0.031      1.050043     2.742521
       ip61c97 |    1.934983    .3995292      3.20    0.001      1.290993     2.900218
       ip61c98 |    1.279442    .2968629      1.06    0.288       .811933     2.016141
       ip61c99 |    1.529289    .2859691      2.27    0.023      1.060033     2.206276
       ip62c80 |    4.414198    1.112147      5.89    0.000      2.693975     7.232861
       ip62c81 |    4.074089    .8966714      6.38    0.000      2.646601     6.271516
       ip62c82 |    4.697414    .9612428      7.56    0.000      3.145397     7.015235
       ip62c83 |    4.341582    1.160588      5.49    0.000       2.57102     7.331462
       ip62c84 |    5.499306    1.170606      8.01    0.000       3.62341     8.346385
       ip62c85 |    4.404476    1.097608      5.95    0.000      2.702541     7.178209
       ip62c86 |    4.450146    .9499327      6.99    0.000      2.928707      6.76196
       ip62c87 |    3.996999    .8129105      6.81    0.000      2.682974     5.954586
       ip62c88 |    3.976822     .903044      6.08    0.000      2.548285     6.206178
       ip62c89 |    4.229211    .9041554      6.75    0.000      2.781522     6.430373
       ip62c90 |    3.722616    .7986059      6.13    0.000       2.44479     5.668328
       ip62c91 |     3.99117    .7886644      7.00    0.000      2.709573     5.878948
       ip62c92 |    2.882027     .806676      3.78    0.000      1.665129     4.988252
       ip62c93 |    4.644111    1.099839      6.48    0.000      2.919558     7.387338
       ip62c94 |    3.265386    .6466267      5.98    0.000       2.21501     4.813859
       ip62c95 |    2.960908    .5729023      5.61    0.000      2.026409     4.326362
       ip62c96 |    2.874479       .5218      5.82    0.000      2.013918     4.102764
       ip62c97 |    2.435658    .4403101      4.92    0.000      1.708988     3.471312
       ip62c98 |     2.14504    .4833688      3.39    0.001      1.379188     3.336164
       ip62c99 |    1.903764    .4646004      2.64    0.008      1.180004     3.071446
       ip63c80 |    4.378768    1.135456      5.70    0.000       2.63407      7.27908
       ip63c81 |    4.306774    1.104326      5.69    0.000      2.605495     7.118914
       ip63c82 |    4.476581    1.325813      5.06    0.000      2.505239     7.999149
       ip63c83 |    4.589389    1.276673      5.48    0.000       2.66053     7.916653
       ip63c84 |    4.055215    1.066616      5.32    0.000      2.421743     6.790468
       ip63c85 |    4.388563    1.280851      5.07    0.000      2.476793     7.775979
       ip63c86 |    3.651947    .8587759      5.51    0.000      2.303348     5.790143
       ip63c87 |    4.223285    1.186358      5.13    0.000      2.435232     7.324205
       ip63c88 |    3.031576    .6769518      4.97    0.000      1.957019     4.696151
       ip63c89 |    3.199603    .8883191      4.19    0.000      1.856836      5.51339
       ip63c90 |    3.308339    1.010602      3.92    0.000      1.817995     6.020429
       ip63c91 |    3.270203    .8804198      4.40    0.000      1.929346     5.542929
       ip63c92 |    3.572812    1.088184      4.18    0.000      1.966785     6.490282
       ip63c93 |    3.236969    .6558242      5.80    0.000      2.176112     4.814994
       ip63c94 |     3.12678    .7812267      4.56    0.000      1.916128      5.10235
       ip63c95 |    2.288114    .6200328      3.05    0.002        1.3453     3.891671
       ip63c96 |    3.264087    .9062723      4.26    0.000      1.894201     5.624675
       ip63c97 |    2.442778    .5611058      3.89    0.000      1.557267     3.831818
       ip63c98 |    2.536298    .5924026      3.98    0.000      1.604669     4.008808
       ip63c99 |    1.948405     .305144      4.26    0.000       1.43341     2.648425
       ip64c80 |    4.718133    1.190328      6.15    0.000      2.877546     7.736028
       ip64c81 |    4.370839    1.185521      5.44    0.000       2.56856     7.437719
       ip64c82 |    4.363623    1.136276      5.66    0.000      2.619368     7.269389
       ip64c83 |    5.007796    1.350423      5.97    0.000      2.951944     8.495427
       ip64c84 |    5.301814    1.247946      7.09    0.000      3.342474     8.409711
       ip64c85 |    4.335187    .9098848      6.99    0.000      2.873125     6.541256
       ip64c86 |    4.480243    1.011104      6.65    0.000      2.878736     6.972704
       ip64c87 |    4.103159    1.125908      5.14    0.000       2.39634     7.025679
       ip64c88 |    3.694225    .8112161      5.95    0.000      2.402192     5.681186
       ip64c89 |    2.947816    .5931028      5.37    0.000      1.987183     4.372831
       ip64c90 |    4.133741    1.037014      5.66    0.000      2.528169     6.758969
       ip64c91 |    4.330334    1.091401      5.82    0.000      2.642334     7.096677
       ip64c92 |    3.031959    .7155043      4.70    0.000      1.909195     4.814999
       ip64c93 |    2.936052    .6508064      4.86    0.000      1.901455     4.533581
       ip64c94 |    2.771933    .5722963      4.94    0.000       1.84945     4.154538
       ip64c95 |     2.92412    .6583254      4.77    0.000       1.88087     4.546022
       ip64c96 |    2.915616    .6017938      5.18    0.000      1.945536     4.369396
       ip64c97 |     2.28295     .495366      3.80    0.000      1.492101     3.492966
       ip64c98 |    2.193606    .5385676      3.20    0.001      1.355732     3.549303
       ip64c99 |    1.972331    .3525251      3.80    0.000      1.389441     2.799752
       ip65c80 |     5.62862    1.250013      7.78    0.000      3.642216     8.698374
       ip65c81 |    5.302484    1.210095      7.31    0.000      3.390192     8.293436
       ip65c82 |    5.641499    1.372577      7.11    0.000      3.501847     9.088493
       ip65c83 |    5.467618    1.296147      7.17    0.000      3.435685     8.701278
       ip65c84 |    5.594563    1.340703      7.18    0.000      3.497687     8.948523
       ip65c85 |    5.756762    1.454062      6.93    0.000      3.508964     9.444471
       ip65c86 |    4.791644    1.207055      6.22    0.000      2.924555     7.850718
       ip65c87 |    5.370719    1.269072      7.11    0.000      3.379855     8.534276
       ip65c88 |    4.740661    1.232544      5.99    0.000      2.847944     7.891259
       ip65c89 |     4.74619    1.289546      5.73    0.000      2.786586     8.083841
       ip65c90 |     5.28578    1.320192      6.67    0.000      3.239743     8.623979
       ip65c91 |    4.656092    1.107142      6.47    0.000      2.921594      7.42033
       ip65c92 |    5.038937    1.304979      6.24    0.000      3.033162     8.371096
       ip65c93 |    4.866923    1.241403      6.20    0.000      2.952155     8.023612
       ip65c94 |     4.27684    .9080208      6.84    0.000      2.821002     6.483993
       ip65c95 |    3.437433    .8445952      5.03    0.000      2.123682     5.563894
       ip65c96 |    3.416348    .8580079      4.89    0.000      2.088261     5.589068
       ip65c97 |    2.947489    .7726321      4.12    0.000      1.763294     4.926967
       ip65c98 |    3.179658    .7747576      4.75    0.000      1.972314     5.126072
       ip65c99 |    2.805097    .6867396      4.21    0.000      1.736033       4.5325
       ip56c00 |    2.600844    .5101441      4.87    0.000       1.77074     3.820091
       ip56c01 |    2.166449      .28085      5.96    0.000      1.680359     2.793154
       ip56c02 |    2.145824    .2581202      6.35    0.000      1.695132     2.716344
       ip56c03 |    1.822187    .2929538      3.73    0.000      1.329673     2.497129
       ip56c04 |    1.505495    .3105738      1.98    0.047      1.004806     2.255676
       ip57c00 |    1.648875    .5799907      1.42    0.155      .8275198     3.285469
       ip57c01 |    1.561768    .3894756      1.79    0.074      .9579498     2.546186
       ip57c02 |    1.255087    .3234649      0.88    0.378      .7573551     2.079927
       ip57c03 |    1.658193    .3117511      2.69    0.007      1.147106     2.396992
       ip57c04 |     1.02186    .2973249      0.07    0.941      .5777263     1.807427
       ip58c00 |    1.360455    .4552829      0.92    0.358      .7060337     2.621458
       ip58c01 |    2.140105    .6134082      2.65    0.008      1.220279      3.75328
       ip58c02 |    1.118624    .2199799      0.57    0.569      .7608398     1.644655
       ip58c03 |    1.146489    .2173884      0.72    0.471      .7906265     1.662525
       ip58c04 |    1.066345    .1689092      0.41    0.685      .7817489     1.454548
       ip59c00 |    1.406971    .5233094      0.92    0.359      .6787172     2.916631
       ip59c01 |    1.662956    .3745068      2.26    0.024      1.069511     2.585687
       ip59c02 |    1.554345    .3879259      1.77    0.077      .9530348     2.535048
       ip59c03 |    1.229637    .3145712      0.81    0.419      .7447643     2.030183
       ip59c04 |    1.244292    .2932396      0.93    0.354      .7840103       1.9748
       ip60c00 |    1.631178    .2298262      3.47    0.001      1.237572     2.149968
       ip60c01 |    1.666614    .2133563      3.99    0.000      1.296779     2.141924
       ip60c02 |    1.427852    .1717086      2.96    0.003       1.12803     1.807364
       ip60c03 |    1.310711    .2779262      1.28    0.202          .865     1.986084
       ip60c04 |    1.189473    .1769565      1.17    0.243      .8886331     1.592161
       ip61c00 |    1.580704    .3605938      2.01    0.045      1.010817     2.471887
       ip61c01 |    1.485011    .2344297      2.50    0.012      1.089823     2.023503
       ip61c02 |    1.258949    .1785406      1.62    0.104      .9534397     1.662353
       ip61c03 |    1.194537    .1208672      1.76    0.079       .979653     1.456555
       ip61c04 |    .9850436    .1285632     -0.12    0.908      .7627121     1.272185
       ip62c00 |      1.6532    .2562382      3.24    0.001      1.220094      2.24005
       ip62c01 |    2.026387    .3456496      4.14    0.000      1.450539     2.830842
       ip62c02 |    2.007122    .2258776      6.19    0.000      1.609834     2.502455
       ip62c03 |    1.612389    .2759192      2.79    0.005      1.152945     2.254921
       ip62c04 |    1.679518    .1821657      4.78    0.000      1.357878     2.077345
       ip63c00 |     1.79578     .399537      2.63    0.009      1.161107     2.777372
       ip63c01 |    2.304238    .3062463      6.28    0.000      1.775815     2.989901
       ip63c02 |     1.75816    .2709301      3.66    0.000      1.299838     2.378085
       ip63c03 |    1.718592    .3332034      2.79    0.005      1.175278     2.513074
       ip63c04 |    1.436208    .1376814      3.78    0.000      1.190193     1.733075
       ip64c00 |    2.020571    .4637801      3.06    0.002      1.288542     3.168471
       ip64c01 |    1.633198    .2748604      2.91    0.004      1.174317     2.271394
       ip64c02 |    1.515692    .1753691      3.59    0.000      1.208161     1.901503
       ip64c03 |    1.725376    .3158028      2.98    0.003      1.205271     2.469919
       ip64c04 |    1.400646    .2194459      2.15    0.032      1.030307     1.904102
       ip65c00 |     2.09497    .4469738      3.47    0.001      1.379016     3.182633
       ip65c01 |    2.047562    .4329836      3.39    0.001      1.352818     3.099094
       ip65c02 |    1.694296    .3216247      2.78    0.005      1.167904     2.457938
       ip65c03 |    1.777424    .3555572      2.88    0.004      1.200925     2.630668
       ip65c04 |     1.20158    .1616314      1.37    0.172      .9231088     1.564058
   ia1journal2 |    .9211546    .0064845    -11.67    0.000      .9085325     .9339519
   ia1journal3 |    .8870748    .0172346     -6.17    0.000      .8539307     .9215053
   ia1journal4 |    .9153665    .0102125     -7.93    0.000      .8955676     .9356031
   ia1journal5 |    .9079966    .0163529     -5.36    0.000      .8765046       .94062
   ia1journal6 |    .8469984    .0092722    -15.17    0.000      .8290188     .8653678
   ia1journal7 |    .9537262    .0059636     -7.58    0.000      .9421091     .9654866
   ia1journal8 |    .9414973    .0132317     -4.29    0.000      .9159175     .9677915
   ia1journal9 |    .9328377    .0206288     -3.14    0.002      .8932697     .9741585
  ia1journal10 |    .8910732    .0170414     -6.03    0.000       .858291     .9251075
  ia1journal11 |    1.053081    .0086131      6.32    0.000      1.036334     1.070098
  ia1journal12 |    .9758243    .0097011     -2.46    0.014      .9569945     .9950247
  ia1journal13 |    .9436572      .01028     -5.32    0.000      .9237225     .9640222
  ia1journal14 |    .9892595    .0112819     -0.95    0.344      .9673927     1.011621
  ia1journal15 |    .8668064    .0100549    -12.32    0.000      .8473214     .8867395
  ia1journal16 |    .7316401    .0200676    -11.39    0.000      .6933468     .7720482
  ia1journal17 |    .8651879    .0111275    -11.26    0.000      .8436511     .8872745
  ia1journal18 |    .9939035    .0200219     -0.30    0.761       .955426     1.033931
  ia1journal19 |    .7656476    .0180796    -11.31    0.000      .7310197     .8019159
  ia1journal20 |    .9943945    .0130956     -0.43    0.669      .9690561     1.020395
  ia1journal21 |    1.240482    .0150075     17.81    0.000      1.211414     1.270247
  ia1journal22 |    1.75e+18    3.04e+18     24.13    0.000      5.77e+16     5.30e+19
  ia1journal23 |     .813643    .0153918    -10.90    0.000      .7840281     .8443766
  ia1journal24 |    1.017138    .0511452      0.34    0.735      .9216762     1.122486
  ia1journal26 |    .9845521    .0337016     -0.45    0.649      .9206653     1.052872
  ia1journal27 |    .8643008    .0133204     -9.46    0.000      .8385837     .8908067
  ia1journal28 |    .9077228    .0207064     -4.24    0.000       .868033     .9492275
  ia1journal29 |    .8355463    .0182716     -8.22    0.000      .8004913     .8721365
  ia1journal30 |    1.017764    .0423936      0.42    0.672      .9379755      1.10434
  ia1journal31 |    1.004938    .0195307      0.25    0.800      .9673785     1.043956
  ia1journal32 |    .7879463    .0254928     -7.37    0.000      .7395326     .8395294
  ia1journal33 |    1.273637    .0268589     11.47    0.000      1.222067     1.327382
  ia1journal34 |    .8899318    .0125858     -8.25    0.000      .8656028     .9149445
  ia1journal35 |    1.347011    .0377648     10.63    0.000      1.274991       1.4231
  ia1journal36 |    .7786246    .0237903     -8.19    0.000      .7333652     .8266773
  ia1journal37 |    .8942946    .0143798     -6.95    0.000      .8665501     .9229274
  ia1journal38 |    .9569794    .0113251     -3.72    0.000      .9350381     .9794356
  ia1journal39 |    1.090663    .0235129      4.03    0.000      1.045539     1.137735
   ia2journal2 |     1.00094    .0000945      9.95    0.000      1.000755     1.001125
   ia2journal3 |    1.001968    .0003601      5.47    0.000      1.001262     1.002674
   ia2journal4 |    1.001174    .0002103      5.59    0.000      1.000762     1.001586
   ia2journal5 |    1.001665     .000342      4.87    0.000      1.000995     1.002336
   ia2journal6 |    1.001951    .0001732     11.28    0.000      1.001612     1.002291
   ia2journal7 |    1.000996    .0001288      7.74    0.000      1.000744     1.001248
   ia2journal8 |    1.001001      .00024      4.17    0.000      1.000531     1.001472
   ia2journal9 |    1.001388    .0004245      3.27    0.001      1.000556     1.002221
  ia2journal10 |     1.00207    .0003113      6.65    0.000       1.00146      1.00268
  ia2journal11 |    .9991993    .0001531     -5.23    0.000      .9988993     .9994993
  ia2journal12 |    1.000199    .0002083      0.96    0.339      .9997909     1.000607
  ia2journal13 |    1.000865    .0002099      4.12    0.000      1.000453     1.001276
  ia2journal14 |    .9998243    .0002154     -0.82    0.415      .9994021     1.000247
  ia2journal15 |     1.00199    .0002328      8.55    0.000      1.001534     1.002446
  ia2journal16 |    1.005533    .0005118     10.84    0.000      1.004531     1.006537
  ia2journal17 |    1.001926    .0002512      7.67    0.000      1.001434     1.002418
  ia2journal18 |    .9995317    .0003567     -1.31    0.189      .9988328     1.000231
  ia2journal19 |    1.005602    .0004813     11.67    0.000      1.004659     1.006546
  ia2journal20 |     1.00015    .0002802      0.54    0.592       .999601       1.0007
  ia2journal21 |    .9967156    .0002423    -13.53    0.000      .9962408     .9971906
  ia2journal22 |    .4568232    .0149183    -23.99    0.000      .4284999     .4870185
  ia2journal23 |    1.003356     .000376      8.94    0.000      1.002619     1.004093
  ia2journal24 |    .9989909    .0008029     -1.26    0.209      .9974185     1.000566
  ia2journal26 |    1.000752     .000706      1.07    0.286      .9993696     1.002137
  ia2journal27 |    1.002248    .0003046      7.39    0.000      1.001651     1.002845
  ia2journal28 |    1.001596    .0004172      3.83    0.000      1.000778     1.002414
  ia2journal29 |    1.002805    .0004401      6.38    0.000      1.001943     1.003668
  ia2journal30 |    1.000787    .0006423      1.23    0.220      .9995286     1.002046
  ia2journal31 |     .999966    .0004065     -0.08    0.933      .9991696     1.000763
  ia2journal32 |    1.004172    .0006621      6.32    0.000      1.002876     1.005471
  ia2journal33 |    .9941249     .000405    -14.46    0.000      .9933314     .9949189
  ia2journal34 |    1.001538     .000288      5.34    0.000      1.000974     1.002102
  ia2journal35 |    .9888996    .0005282    -20.90    0.000       .987865     .9899353
  ia2journal36 |    1.004271    .0005862      7.30    0.000      1.003122      1.00542
  ia2journal37 |    1.001818    .0003424      5.31    0.000      1.001147     1.002489
  ia2journal38 |    1.000527    .0002389      2.21    0.027      1.000059     1.000995
  ia2journal39 |    .9989517     .000396     -2.65    0.008      .9981758     .9997282
          op00 |    1.184389    .2162848      0.93    0.354      .8280449     1.694083
          os00 |    1.085465    .2069242      0.43    0.667      .7470505     1.577183
          oh00 |    1.211474    .2247363      1.03    0.301      .8421913      1.74268
          om00 |    1.087772    .2329112      0.39    0.694      .7149581     1.654989
          jp95 |    1.176663    .0851737      2.25    0.025      1.021027     1.356023
          jp00 |     .949317    .1097542     -0.45    0.653      .7568339     1.190754
          jsfs |     1.03368    .0149019      2.30    0.022      1.004882     1.063304
          jsfp |    1.034542    .0182512      1.92    0.054      .9993816     1.070939
          jsfd |    1.042431    .0165637      2.62    0.009      1.010467     1.075407
---------------+----------------------------------------------------------------
Wald chi2(333) = -9.8e+15                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        923    6.142243    3.103125        .17      10.96

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        104    6.604423    4.250627        .17      10.96

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        213    5.387136    4.081558        .17      10.96

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |          0

. * English;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eng;
(1,240 real changes made)

. replace es2 = es2_eng;
(0 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceng_sing_auth ip* ia1j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 55 groups (1430 obs) dropped because of all zero outcomes
note: ia1journal25 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ep00 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity
note: esf dropped because of collinearity

Iteration 0:   log likelihood = -7589.2696
Iteration 1:   log likelihood = -7130.7741
Iteration 2:   log likelihood = -7113.2988
Iteration 3:   log likelihood = -7113.1325
Iteration 4:   log likelihood = -7113.1307
Iteration 5:   log likelihood = -7113.1307

Conditional fixed-effects Poisson regression    Number of obs     =      7,514
Group variable: volume                          Number of groups  =        289

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(296)    =     910.41
Log likelihood  = -7113.1307                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceng_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip56c80 |    .4751441    .3420983      1.39    0.165     -.1953564     1.145645
       ip56c81 |    .3492165    .3469971      1.01    0.314     -.3308853     1.029318
       ip56c82 |    .5309867    .3365548      1.58    0.115     -.1286485     1.190622
       ip56c83 |    .3726191    .3431569      1.09    0.278      -.299956     1.045194
       ip56c84 |    .3068599    .3456448      0.89    0.375     -.3705915     .9843112
       ip56c85 |     .682384    .3256503      2.10    0.036       .044121     1.320647
       ip56c86 |    .3675294    .3399713      1.08    0.280     -.2988021     1.033861
       ip56c87 |    .5536815    .3290493      1.68    0.092     -.0912433     1.198606
       ip56c88 |    .4969507    .3308198      1.50    0.133     -.1514443     1.145346
       ip56c89 |    .6656801    .3214981      2.07    0.038      .0355555     1.295805
       ip56c90 |     .406789    .3338369      1.22    0.223     -.2475193     1.061097
       ip56c91 |   -.0696343    .3668343     -0.19    0.849     -.7886162     .6493477
       ip56c92 |    .4987805    .3269688      1.53    0.127     -.1420665     1.139627
       ip56c93 |    .3531454    .3347125      1.06    0.291     -.3028791      1.00917
       ip56c94 |    .5155301    .3244931      1.59    0.112     -.1204647     1.151525
       ip56c95 |     .558575      .32144      1.74    0.082     -.0714359     1.188586
       ip56c96 |    .5765066    .3152377      1.83    0.067     -.0413481     1.194361
       ip56c97 |    .7599374    .3096349      2.45    0.014      .1530641     1.366811
       ip56c98 |    .7529732    .3064336      2.46    0.014      .1523744     1.353572
       ip56c99 |    .1902259    .3272435      0.58    0.561     -.4511596     .8316113
       ip57c80 |     1.29627    .4261846      3.04    0.002       .460964     2.131577
       ip57c81 |    1.576099    .4152239      3.80    0.000      .7622753     2.389923
       ip57c82 |    1.540533    .4151173      3.71    0.000      .7269184     2.354148
       ip57c83 |    1.081812    .4328433      2.50    0.012       .233455      1.93017
       ip57c84 |    1.363853    .4193343      3.25    0.001      .5419729     2.185733
       ip57c85 |    1.236734    .4238566      2.92    0.004      .4059898     2.067477
       ip57c86 |    1.395467    .4162479      3.35    0.001      .5796365     2.211298
       ip57c87 |    1.267658    .4209238      3.01    0.003      .4426626     2.092654
       ip57c88 |    1.202572    .4233413      2.84    0.005      .3728383     2.032306
       ip57c89 |    .9835843    .4348189      2.26    0.024      .1313549     1.835814
       ip57c90 |    1.272324    .4187705      3.04    0.002      .4515486     2.093099
       ip57c91 |    .9578018    .4357804      2.20    0.028      .1036879     1.811916
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   ia1journal5 |   -.0170266    .0064733     -2.63    0.009     -.0297141    -.0043391
   ia1journal6 |   -.0095313    .0234812     -0.41    0.685     -.0555536     .0364909
   ia1journal7 |   -.0088183    .0114811     -0.77    0.442     -.0313209     .0136842
   ia1journal8 |   -.0069011    .0086626     -0.80    0.426     -.0238794     .0100773
   ia1journal9 |    -.008836    .0084423     -1.05    0.295     -.0253826     .0077107
  ia1journal10 |     .031221    .0113233      2.76    0.006      .0090278     .0534141
  ia1journal11 |    .0246901    .0097655      2.53    0.011        .00555     .0438302
  ia1journal12 |   -.0161487     .008694     -1.86    0.063     -.0331886     .0008912
  ia1journal13 |   -.0258517      .00902     -2.87    0.004     -.0435305    -.0081729
  ia1journal14 |   -.0022973    .0124135     -0.19    0.853     -.0266273     .0220327
  ia1journal15 |   -.0531983    .0103522     -5.14    0.000     -.0734883    -.0329083
  ia1journal16 |   -.0242725    .0441996     -0.55    0.583     -.1109021     .0623571
  ia1journal17 |   -.0062727    .0089882     -0.70    0.485     -.0238892     .0113437
  ia1journal18 |    .0579028    .0400647      1.45    0.148     -.0206224     .1364281
  ia1journal19 |     .031387    .0450408      0.70    0.486     -.0568914     .1196654
  ia1journal20 |    .0072143    .0082202      0.88    0.380      -.008897     .0233256
  ia1journal21 |   -.0444505    .0167135     -2.66    0.008     -.0772084    -.0116927
  ia1journal22 |   -.0139314    .0305332     -0.46    0.648     -.0737753     .0459125
  ia1journal23 |    .1137591    .0488196      2.33    0.020      .0180744     .2094439
  ia1journal24 |    .0204659    .0688103      0.30    0.766     -.1143998     .1553317
  ia1journal26 |   -.3247017    .1638638     -1.98    0.048     -.6458688    -.0035345
  ia1journal27 |    .0503047    .0108948      4.62    0.000      .0289512     .0716581
  ia1journal28 |   -.1541281    .0573842     -2.69    0.007     -.2665991    -.0416571
  ia1journal29 |   -.0180249    .0188904     -0.95    0.340     -.0550495     .0189997
  ia1journal30 |    .0325245     .010925      2.98    0.003      .0111118     .0539372
  ia1journal31 |   -.0101654    .0140241     -0.72    0.469     -.0376522     .0173213
  ia1journal32 |   -.0042745     .019285     -0.22    0.825     -.0420723     .0335233
  ia1journal33 |    .0021661    .0419928      0.05    0.959     -.0801383     .0844705
  ia1journal34 |   -.0450161     .018929     -2.38    0.017     -.0821163    -.0079159
  ia1journal35 |   -.0968654    .1768685     -0.55    0.584     -.4435213     .2497905
  ia1journal36 |   -.0564205     .054455     -1.04    0.300     -.1631503     .0503094
  ia1journal37 |   -.0105193    .0219563     -0.48    0.632     -.0535528     .0325142
  ia1journal38 |   -.0537164    .0128083     -4.19    0.000     -.0788202    -.0286126
  ia1journal39 |    .0126317    .0268058      0.47    0.637     -.0399067     .0651701
          op00 |    .1462128    .1615498      0.91    0.365     -.1704189     .4628445
          os00 |   -.0560329    .2260733     -0.25    0.804     -.4991285     .3870626
          oh00 |      .03757    .2588656      0.15    0.885     -.4697973     .5449373
          om00 |    .3086879     .282236      1.09    0.274     -.2444844     .8618602
          jp95 |    .0924982    .0936143      0.99    0.323     -.0909824     .2759788
          jp00 |    .1550603    .1437184      1.08    0.281     -.1266227     .4367433
          jsfs |    .2935216     .103829      2.83    0.005      .0900205     .4970228
          jsfp |    .1777397     .138293      1.29    0.199     -.0933096     .4487889
          jsfd |    .4477526    .1535149      2.92    0.004      .1468689     .7486362
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceng_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceng_sing_auth |
       ip56c80 |    1.608246    .6383489      1.20    0.231      .7387397     3.501172
       ip56c81 |    1.417956    .4710173      1.05    0.293      .7394524     2.719038
       ip56c82 |     1.70061     .641012      1.41    0.159      .8123826     3.559989
       ip56c83 |    1.451531    .5747182      0.94    0.347      .6680398     3.153919
       ip56c84 |     1.35915    .5345065      0.78    0.435      .6288103     2.937754
       ip56c85 |    1.978589    .7929135      1.70    0.089      .9020678     4.339823
       ip56c86 |    1.444162    .6146597      0.86    0.388      .6270907     3.325842
       ip56c87 |    1.739646    .6508632      1.48    0.139      .8355955     3.621809
       ip56c88 |    1.643701    .6297047      1.30    0.195       .775758     3.482729
       ip56c89 |    1.945813    .6428372      2.01    0.044      1.018334     3.718023
       ip56c90 |    1.501987    .6493292      0.94    0.347      .6436954      3.50471
       ip56c91 |    .9327349    .4346487     -0.15    0.881      .3741998     2.324946
       ip56c92 |    1.646712    .5953036      1.38    0.168      .8107731     3.344536
       ip56c93 |    1.423538    .6146497      0.82    0.413      .6107179     3.318162
       ip56c94 |    1.674526     .571836      1.51    0.131      .8574602     3.270166
       ip56c95 |     1.74818    .6135818      1.59    0.112      .8786756     3.478112
       ip56c96 |     1.77981    .6438766      1.59    0.111      .8758645     3.616682
       ip56c97 |    2.138142    .7146981      2.27    0.023      1.110486     4.116805
       ip56c98 |    2.123304    .7671611      2.08    0.037      1.045847      4.31078
       ip56c99 |    1.209523    .4203945      0.55    0.584      .6120141     2.390378
       ip57c80 |    3.655637    1.424963      3.33    0.001      1.702809     7.848025
       ip57c81 |    4.836054    2.069394      3.68    0.000      2.090517     11.18738
       ip57c82 |    4.667078    2.325996      3.09    0.002      1.757195     12.39567
       ip57c83 |    2.950021    1.455237      2.19    0.028      1.121837     7.757475
       ip57c84 |    3.911235     1.88631      2.83    0.005      1.519835     10.06541
       ip57c85 |    3.444344    1.899974      2.24    0.025       1.16833     10.15424
       ip57c86 |    4.036861    1.659842      3.39    0.001      1.803242     9.037194
       ip57c87 |    3.552523    1.783888      2.52    0.012      1.327727     9.505282
       ip57c88 |    3.328667    1.315012      3.04    0.002      1.534609     7.220098
       ip57c89 |    2.674024    1.181978      2.23    0.026      1.124386     6.359387
       ip57c90 |    3.569137    2.076621      2.19    0.029      1.141067     11.16388
       ip57c91 |    2.605962    1.092428      2.28    0.022      1.145886     5.926449
       ip57c92 |    2.495051    1.005427      2.27    0.023      1.132588     5.496509
       ip57c93 |    3.569772    1.382719      3.29    0.001      1.670842     7.626859
       ip57c94 |    1.808317    .9892366      1.08    0.279       .618908     5.283514
       ip57c95 |    4.273477    1.782146      3.48    0.000      1.887162     9.677284
       ip57c96 |    4.104541    1.896654      3.06    0.002      1.659341     10.15298
       ip57c97 |    3.279379    1.203687      3.24    0.001      1.597204     6.733221
       ip57c98 |    3.881862    1.365051      3.86    0.000      1.948571     7.733283
       ip57c99 |    2.997393    1.178036      2.79    0.005      1.387409     6.475644
       ip58c80 |    2.576826    .7559135      3.23    0.001      1.450056     4.579158
       ip58c81 |    2.559996    .8589609      2.80    0.005      1.326275      4.94134
       ip58c82 |    2.192222    .5904543      2.91    0.004      1.293068     3.716616
       ip58c83 |    1.713469    .5201564      1.77    0.076      .9450997     3.106525
       ip58c84 |     2.03794    .6693355      2.17    0.030      1.070595     3.879339
       ip58c85 |    1.698818    .5870989      1.53    0.125      .8629348     3.344381
       ip58c86 |     1.97553    .6756197      1.99    0.047      1.010596     3.861798
       ip58c87 |    2.098892    .6474542      2.40    0.016      1.146611     3.842057
       ip58c88 |     1.42917    .4391008      1.16    0.245      .7826348     2.609808
       ip58c89 |    1.227424    .3998885      0.63    0.529      .6481525     2.324405
       ip58c90 |     1.18301    .3184463      0.62    0.532      .6980059     2.005014
       ip58c91 |    1.516249    .5128327      1.23    0.218      .7813994      2.94217
       ip58c92 |    1.744022     .478362      2.03    0.043      1.018776     2.985556
       ip58c93 |    1.315649    .3660872      0.99    0.324      .7625848     2.269823
       ip58c94 |    1.542925    .5104443      1.31    0.190      .8067568     2.950849
       ip58c95 |     1.77141    .5140195      1.97    0.049      1.003048     3.128361
       ip58c96 |    1.542602    .3767969      1.77    0.076      .9557378     2.489825
       ip58c97 |    1.447662    .4466089      1.20    0.230      .7908031     2.650122
       ip58c98 |     1.98358    .5900023      2.30    0.021      1.107301     3.553316
       ip58c99 |    1.064162    .3948508      0.17    0.867      .5142505     2.202119
       ip59c80 |    2.932775    1.102099      2.86    0.004      1.404133     6.125608
       ip59c81 |    3.117758    1.302667      2.72    0.006      1.374649     7.071197
       ip59c82 |    1.940553    .6704025      1.92    0.055      .9859642     3.819354
       ip59c83 |    1.530251     .636336      1.02    0.306      .6773308     3.457199
       ip59c84 |    2.436944    .8867621      2.45    0.014      1.194285     4.972596
       ip59c85 |    1.795294    .7039314      1.49    0.136      .8324936     3.871597
       ip59c86 |    1.363298    .6520344      0.65    0.517      .5339251     3.480977
       ip59c87 |    2.222842    .9004538      1.97    0.049      1.004834     4.917257
       ip59c88 |    2.326054    .8794049      2.23    0.026      1.108685     4.880128
       ip59c89 |    1.175898    .5708145      0.33    0.739      .4541218     3.044859
       ip59c90 |    1.584446    .8918924      0.82    0.414      .5256926     4.775545
       ip59c91 |    1.440371    .6225883      0.84    0.399      .6173756     3.360463
       ip59c92 |    1.373368     .562196      0.78    0.438      .6156627     3.063593
       ip59c93 |    1.630356    .5934605      1.34    0.179      .7988025     3.327557
       ip59c94 |    1.808689    .8512236      1.26    0.208      .7190561     4.549514
       ip59c95 |    1.740282    .6531995      1.48    0.140      .8339282     3.631706
       ip59c96 |    1.514754    .6224633      1.01    0.312      .6769472     3.389451
       ip59c97 |    1.427069    .5062182      1.00    0.316      .7120358     2.860145
       ip59c98 |    2.577471     1.15664      2.11    0.035       1.06959     6.211126
       ip59c99 |    1.205005    .5923916      0.38    0.704      .4597593     3.158256
       ip60c80 |    3.065493    1.413996      2.43    0.015       1.24129      7.57055
       ip60c81 |     2.83884    1.063506      2.79    0.005      1.362253     5.915942
       ip60c82 |    3.873271    1.635802      3.21    0.001      1.692735     8.862712
       ip60c83 |    2.902699    1.050227      2.95    0.003       1.42833     5.898961
       ip60c84 |     2.86399    1.276839      2.36    0.018       1.19532     6.862126
       ip60c85 |    3.717131    1.770026      2.76    0.006       1.46178     9.452217
       ip60c86 |    2.499827    .9375238      2.44    0.015      1.198613     5.213636
       ip60c87 |    2.660013    1.061302      2.45    0.014      1.216937     5.814326
       ip60c88 |    2.538591    .8550327      2.77    0.006      1.311886     4.912349
       ip60c89 |    1.916633    .7072906      1.76    0.078      .9298694     3.950535
       ip60c90 |    1.713815    .5399045      1.71    0.087      .9242923     3.177742
       ip60c91 |    2.943097    .9011131      3.53    0.000      1.615046     5.363203
       ip60c92 |    2.451634    .7093454      3.10    0.002      1.390505     4.322536
       ip60c93 |    2.678058    .7588158      3.48    0.001      1.536865     4.666638
       ip60c94 |    2.250634     .545496      3.35    0.001      1.399573     3.619215
       ip60c95 |    2.765241     1.00642      2.79    0.005      1.354987     5.643271
       ip60c96 |    2.815574    .6665465      4.37    0.000      1.770343     4.477923
       ip60c97 |     2.62326    .8474138      2.99    0.003      1.392741     4.940969
       ip60c98 |    2.670156    .8005364      3.28    0.001      1.483676     4.805454
       ip60c99 |    2.733667    .8908838      3.09    0.002      1.443261     5.177815
       ip61c80 |    1.983649    .9193979      1.48    0.139      .7997289     4.920245
       ip61c81 |    2.094531    .9861298      1.57    0.116       .832398     5.270387
       ip61c82 |    2.082361    .9774839      1.56    0.118      .8298362     5.225402
       ip61c83 |    2.068591    .8264726      1.82    0.069      .9453453      4.52646
       ip61c84 |    2.010448    1.013907      1.38    0.166      .7481971     5.402189
       ip61c85 |    2.036265    .8277235      1.75    0.080      .9179697     4.516896
       ip61c86 |    2.237036    .9626382      1.87    0.061      .9624655     5.199491
       ip61c87 |    1.686856     .695003      1.27    0.204      .7522701     3.782529
       ip61c88 |    1.796267     .831077      1.27    0.206      .7253481     4.448314
       ip61c89 |    1.407711    .5731452      0.84    0.401      .6337959     3.126638
       ip61c90 |    1.147509    .6288079      0.25    0.802      .3920288      3.35888
       ip61c91 |    1.762328    .8498572      1.18    0.240      .6848685     4.534886
       ip61c92 |     1.59254    .6720192      1.10    0.270      .6964674     3.641497
       ip61c93 |    1.371316    .5826226      0.74    0.457      .5963381     3.153424
       ip61c94 |    1.813298    .8081602      1.34    0.182      .7570092     4.343473
       ip61c95 |    1.444007    .5786764      0.92    0.359      .6583481     3.167253
       ip61c96 |      1.7452    .7774943      1.25    0.211      .7288383     4.178874
       ip61c97 |    1.806641    .6917637      1.54    0.122      .8529951     3.826462
       ip61c98 |    1.504479    .7269134      0.85    0.398       .583599     3.878448
       ip61c99 |    .8796192    .4020919     -0.28    0.779      .3590815     2.154747
       ip62c80 |    2.687166    1.185747      2.24    0.025      1.131594     6.381138
       ip62c81 |     2.98748    1.165436      2.81    0.005      1.390739     6.417477
       ip62c82 |    3.229591    1.525085      2.48    0.013      1.279944     8.148993
       ip62c83 |    2.206846    .9179603      1.90    0.057      .9765756     4.986985
       ip62c84 |    2.916993    1.439667      2.17    0.030      1.108739     7.674349
       ip62c85 |    3.852709    1.590155      3.27    0.001      1.715711      8.65144
       ip62c86 |    3.069333    1.302841      2.64    0.008      1.335778     7.052674
       ip62c87 |    3.323565     1.55299      2.57    0.010      1.330046     8.305044
       ip62c88 |    2.150027    1.018653      1.62    0.106      .8494863     5.441662
       ip62c89 |    2.251136    .7579505      2.41    0.016      1.163603     4.355105
       ip62c90 |     1.91263    .8708661      1.42    0.154      .7835352     4.668779
       ip62c91 |    1.937083    .8208645      1.56    0.119      .8441902      4.44484
       ip62c92 |     2.03683    .6972004      2.08    0.038      1.041337     3.983991
       ip62c93 |    2.291008     .801836      2.37    0.018      1.153752     4.549262
       ip62c94 |    1.700354    .7529701      1.20    0.231      .7138397     4.050215
       ip62c95 |     3.51914    1.287255      3.44    0.001      1.718218     7.207669
       ip62c96 |    2.581768    .8045752      3.04    0.002      1.401687      4.75536
       ip62c97 |    2.636853    1.010596      2.53    0.011      1.244101     5.588768
       ip62c98 |    2.553912    1.066779      2.24    0.025      1.126305     5.791033
       ip62c99 |    2.066022    .5332388      2.81    0.005      1.245778     3.426332
       ip63c80 |    2.406029    .8977436      2.35    0.019      1.157973     4.999232
       ip63c81 |    2.738064    1.019634      2.70    0.007      1.319662     5.680997
       ip63c82 |    1.906011    .6900337      1.78    0.075      .9374857     3.875129
       ip63c83 |    2.015851    .7164391      1.97    0.049      1.004475     4.045552
       ip63c84 |    2.480682      .99131      2.27    0.023      1.133499     5.429019
       ip63c85 |    2.639974    .9195275      2.79    0.005      1.333885     5.224937
       ip63c86 |    1.535657    .5877811      1.12    0.262      .7252578     3.251594
       ip63c87 |    2.095852    .8453097      1.83    0.067      .9507134     4.620314
       ip63c88 |    1.515781    .6045159      1.04    0.297      .6936886     3.312136
       ip63c89 |    1.712326    .6771868      1.36    0.174      .7887791     3.717215
       ip63c90 |    2.050458    .8066801      1.83    0.068      .9483653     4.433288
       ip63c91 |    1.360088    .5040089      0.83    0.407       .657865     2.811884
       ip63c92 |    1.745441    .6434233      1.51    0.131      .8474735     3.594879
       ip63c93 |    1.422745    .4918045      1.02    0.308      .7225865     2.801331
       ip63c94 |    2.001381    .5251719      2.64    0.008      1.196659     3.347257
       ip63c95 |    1.674938    .6917536      1.25    0.212       .745505     3.763112
       ip63c96 |    1.850245    .6337946      1.80    0.072      .9454819     3.620805
       ip63c97 |    2.262368     .608936      3.03    0.002      1.334919     3.834172
       ip63c98 |    1.526523    .4572074      1.41    0.158      .8487125     2.745654
       ip63c99 |     1.19111    .5007098      0.42    0.677      .5225532     2.715023
       ip64c80 |    4.062747    1.522569      3.74    0.000      1.949039     8.468745
       ip64c81 |    4.246741     1.79367      3.42    0.001      1.855833     9.717902
       ip64c82 |    3.388917    1.267813      3.26    0.001      1.627877     7.055054
       ip64c83 |    4.485345    1.757017      3.83    0.000       2.08142     9.665669
       ip64c84 |    3.869333    1.568171      3.34    0.001      1.748476     8.562739
       ip64c85 |    4.112992    1.731672      3.36    0.001      1.802108     9.387176
       ip64c86 |    2.996436     1.20085      2.74    0.006      1.366085     6.572523
       ip64c87 |    3.505544    1.354156      3.25    0.001      1.644163      7.47422
       ip64c88 |    2.495933    1.111588      2.05    0.040      1.042658     5.974807
       ip64c89 |    2.725556    1.062337      2.57    0.010      1.269648     5.850956
       ip64c90 |    2.956762    1.296725      2.47    0.013      1.251732     6.984275
       ip64c91 |    2.409574    .9459858      2.24    0.025      1.116254     5.201366
       ip64c92 |    3.065787    1.349891      2.54    0.011      1.293454     7.266629
       ip64c93 |     1.64866    .7137135      1.15    0.248       .705735     3.851419
       ip64c94 |    3.024819    1.167241      2.87    0.004      1.419813     6.444182
       ip64c95 |    2.530933    1.010169      2.33    0.020      1.157554     5.533756
       ip64c96 |    2.376802    .9187744      2.24    0.025      1.114174     5.070288
       ip64c97 |    1.671518     .631007      1.36    0.174      .7975866     3.503033
       ip64c98 |    2.010552    .9177301      1.53    0.126      .8218236     4.918719
       ip64c99 |    2.680784     .891189      2.97    0.003      1.397307     5.143181
       ip65c80 |    3.242547     1.46567      2.60    0.009      1.337005     7.863929
       ip65c81 |    3.613645    1.424539      3.26    0.001      1.668754     7.825255
       ip65c82 |    2.035289    .8286782      1.75    0.081      .9163366     4.520611
       ip65c83 |    2.637793    .9997576      2.56    0.010      1.254944     5.544432
       ip65c84 |    2.959858    1.158911      2.77    0.006      1.374007     6.376066
       ip65c85 |    2.527746    .9672501      2.42    0.015      1.194038     5.351166
       ip65c86 |    1.914406    .7850046      1.58    0.113      .8570333     4.276321
       ip65c87 |    2.575845    .9764117      2.50    0.013      1.225348     5.414771
       ip65c88 |    1.775147    .7731441      1.32    0.188      .7559682     4.168358
       ip65c89 |     1.83289    .6529357      1.70    0.089      .9118225     3.684362
       ip65c90 |     1.89043    .6253602      1.93    0.054      .9885082      3.61527
       ip65c91 |    1.991991     .656724      2.09    0.037      1.043906     3.801136
       ip65c92 |    2.004722    .8089975      1.72    0.085      .9089817     4.421332
       ip65c93 |    1.747674     .624195      1.56    0.118      .8678554      3.51944
       ip65c94 |    2.027457    .8282122      1.73    0.084      .9104113     4.515084
       ip65c95 |    2.173268    .7065474      2.39    0.017       1.14916     4.110039
       ip65c96 |    2.284555    .7064039      2.67    0.008      1.246243      4.18794
       ip65c97 |    2.189186    .7613416      2.25    0.024      1.107279     4.328209
       ip65c98 |    1.843537     .627643      1.80    0.072      .9459217     3.592927
       ip65c99 |      1.5602    .4973018      1.40    0.163      .8353455     2.914031
       ip56c00 |     2.06784    .6791409      2.21    0.027      1.086317       3.9362
       ip56c01 |    1.213508    .3399254      0.69    0.490      .7008193     2.101259
       ip56c02 |    1.775313    .4848738      2.10    0.036      1.039429     3.032182
       ip56c03 |    1.452014    .3969835      1.36    0.173      .8496708     2.481367
       ip56c04 |    1.582399    .4041618      1.80    0.072      .9592015      2.61049
       ip57c00 |    3.869769     1.57171      3.33    0.001      1.745697     8.578301
       ip57c01 |    1.727123    .6709766      1.41    0.160      .8065605     3.698366
       ip57c02 |    1.533082    .6990268      0.94    0.349      .6272633     3.746974
       ip57c03 |    3.295591    1.133268      3.47    0.001      1.679682     6.466056
       ip57c04 |    1.811347    .6531332      1.65    0.099      .8934625     3.672204
       ip58c00 |    1.275701    .4607769      0.67    0.500      .6284909     2.589397
       ip58c01 |    1.179798    .3345783      0.58    0.560      .6767309     2.056835
       ip58c02 |    1.172193    .3086669      0.60    0.546      .6996118     1.963999
       ip58c03 |     1.38348    .1983971      2.26    0.024      1.044497     1.832479
       ip58c04 |    1.110674    .1768893      0.66    0.510      .8128707     1.517579
       ip59c00 |    1.231009    .4237508      0.60    0.546      .6269775     2.416967
       ip59c01 |    1.567828     .724034      0.97    0.330      .6341725     3.876049
       ip59c02 |    .8990636    .4228337     -0.23    0.821      .3576567     2.260031
       ip59c03 |    .9763517    .3649033     -0.06    0.949      .4693284     2.031121
       ip59c04 |    .8357164    .3350046     -0.45    0.654      .3809316     1.833458
       ip60c00 |    1.490303    .3188093      1.87    0.062      .9799039     2.266552
       ip60c01 |    1.458084    .3372015      1.63    0.103      .9266825     2.294216
       ip60c02 |    1.990961    .3792111      3.62    0.000      1.370685     2.891932
       ip60c03 |    2.069979    .4148554      3.63    0.000      1.397566     3.065913
       ip60c04 |    1.221614    .2823349      0.87    0.386      .7766183     1.921589
       ip61c00 |    1.977126    .6805019      1.98    0.048      1.007075     3.881568
       ip61c01 |    .8949677    .4193672     -0.24    0.813      .3572302     2.242159
       ip61c02 |    1.125171    .5595154      0.24    0.813      .4245616     2.981925
       ip61c03 |     1.23929    .3974954      0.67    0.504      .6609292     2.323759
       ip61c04 |    .8663275    .2066623     -0.60    0.547      .5427854     1.382726
       ip62c00 |    2.628367     .734532      3.46    0.001       1.51987     4.545332
       ip62c01 |    1.697626    .6711584      1.34    0.181      .7822016      3.68439
       ip62c02 |    1.043289    .3591676      0.12    0.902      .5313321     2.048534
       ip62c03 |    1.050525    .2060395      0.25    0.802      .7152534     1.542952
       ip62c04 |    1.250396    .4155353      0.67    0.501      .6518892     2.398399
       ip63c00 |    1.530387    .5887341      1.11    0.269      .7200244     3.252784
       ip63c01 |     1.07998    .3160916      0.26    0.793      .6085324     1.916672
       ip63c02 |    1.368181    .3126316      1.37    0.170      .8742636     2.141137
       ip63c03 |    1.225924    .3863797      0.65    0.518      .6609773     2.273738
       ip63c04 |      1.3077    .3124169      1.12    0.261      .8187496     2.088646
       ip64c00 |    1.697624    .6174016      1.46    0.146      .8322844     3.462672
       ip64c01 |    1.748532    .5196674      1.88    0.060      .9765502     3.130779
       ip64c02 |    1.621438     .401936      1.95    0.051      .9974635     2.635745
       ip64c03 |    1.692115    .3386448      2.63    0.009      1.143084      2.50485
       ip64c04 |    1.456458    .3887226      1.41    0.159      .8632088     2.457424
       ip65c00 |    1.349868    .4541855      0.89    0.373      .6980561      2.61031
       ip65c01 |    1.502027    .3992689      1.53    0.126      .8920955     2.528973
       ip65c02 |    1.314221    .3071444      1.17    0.242      .8312574     2.077789
       ip65c03 |    1.033606    .3227304      0.11    0.916      .5605036      1.90604
       ip65c04 |    .9363171    .2118145     -0.29    0.771      .6009846     1.458756
   ia1journal2 |    .9722051    .0024852    -11.03    0.000      .9673464     .9770883
   ia1journal3 |    1.005084    .0039437      1.29    0.196       .997384     1.012843
   ia1journal4 |    .9945303    .0041385     -1.32    0.187      .9864519     1.002675
   ia1journal5 |    .9831175    .0030814     -5.43    0.000      .9770966     .9891755
   ia1journal6 |    .9905139    .0039678     -2.38    0.017      .9827676     .9983214
   ia1journal7 |    .9912204     .003092     -2.83    0.005      .9851787     .9972993
   ia1journal8 |    .9931227    .0034243     -2.00    0.045      .9864337      .999857
   ia1journal9 |    .9912029    .0045266     -1.93    0.053      .9823705     1.000115
  ia1journal10 |    1.031713    .0053841      5.98    0.000      1.021215      1.04232
  ia1journal11 |    1.024997    .0019945     12.69    0.000      1.021096     1.028914
  ia1journal12 |     .983981    .0043188     -3.68    0.000      .9755526     .9924822
  ia1journal13 |    .9744796    .0042822     -5.88    0.000      .9661226     .9829088
  ia1journal14 |    .9977053     .004707     -0.49    0.626      .9885223     1.006974
  ia1journal15 |     .948192    .0038771    -13.01    0.000      .9406233     .9558215
  ia1journal16 |    .9760197    .0065302     -3.63    0.000      .9633043     .9889029
  ia1journal17 |    .9937469    .0048055     -1.30    0.195      .9843728      1.00321
  ia1journal18 |    1.059612    .0068197      9.00    0.000       1.04633     1.073063
  ia1journal19 |    1.031885    .0081231      3.99    0.000      1.016086     1.047929
  ia1journal20 |     1.00724    .0059103      1.23    0.219      .9957228     1.018891
  ia1journal21 |    .9565229    .0046558     -9.13    0.000      .9474411     .9656918
  ia1journal22 |    .9861652    .0074452     -1.85    0.065      .9716804     1.000866
  ia1journal23 |    1.120482    .0095677     13.32    0.000      1.101886     1.139392
  ia1journal24 |    1.020677    .0098481      2.12    0.034      1.001556     1.040162
  ia1journal26 |    .7227429    .0098551    -23.81    0.000      .7036831      .742319
  ia1journal27 |    1.051591    .0093489      5.66    0.000      1.033427     1.070076
  ia1journal28 |    .8571622    .0044466    -29.71    0.000      .8484912     .8659219
  ia1journal29 |    .9821366    .0076761     -2.31    0.021      .9672063     .9972974
  ia1journal30 |    1.033059    .0110889      3.03    0.002      1.011552     1.055023
  ia1journal31 |    .9898861    .0056012     -1.80    0.072      .9789686     1.000925
  ia1journal32 |    .9957346    .0072451     -0.59    0.557      .9816353     1.010036
  ia1journal33 |    1.002168    .0067269      0.32    0.747      .9890703      1.01544
  ia1journal34 |    .9559821    .0054759     -7.86    0.000      .9453096     .9667751
  ia1journal35 |    .9076782    .0065343    -13.46    0.000      .8949611      .920576
  ia1journal36 |    .9451416    .0063161     -8.44    0.000      .9328431     .9576023
  ia1journal37 |    .9895358     .006791     -1.53    0.125      .9763148     1.002936
  ia1journal38 |    .9477009    .0050171    -10.15    0.000      .9379183     .9575855
  ia1journal39 |    1.012712    .0060616      2.11    0.035      1.000901     1.024662
          op00 |    1.157442    .1430133      1.18    0.237      .9085004     1.474598
          os00 |     .945508    .2227157     -0.24    0.812      .5958864     1.500261
          oh00 |    1.038285    .2224482      0.18    0.861      .6822602     1.580094
          om00 |    1.361637    .3022218      1.39    0.164      .8813192     2.103728
          jp95 |    1.096911     .130696      0.78    0.438      .8684633     1.385452
          jp00 |    1.167728     .184845      0.98    0.327      .8562514     1.592511
          jsfs |    1.341142    .1871617      2.10    0.035      1.020202     1.763045
          jsfp |    1.194514    .2365054      0.90    0.369      .8103255     1.760853
          jsfd |    1.564791     .209138      3.35    0.001       1.20418     2.033394
---------------+----------------------------------------------------------------
Wald chi2(296) = -1.8e+16                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        923     .833792    .5272831        .01       1.76

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        104    1.009615    .6341571        .04       1.76

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        213     .889108    .6006629        .04       1.76

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |          0

. * Europe;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eur;
(1,240 real changes made)

. replace es2 = es2_eur;
(0 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceur_sing_auth ip* ia1j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 98 groups (2548 obs) dropped because of all zero outcomes
note: ia1journal19 dropped because of collinearity
note: ia1journal25 dropped because of collinearity
note: ia1journal26 dropped because of collinearity
note: ia1journal35 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ep00 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity
note: esf dropped because of collinearity

Iteration 0:   log likelihood = -5711.2878
Iteration 1:   log likelihood = -5317.5108
Iteration 2:   log likelihood = -5303.7442
Iteration 3:   log likelihood = -5303.5351
Iteration 4:   log likelihood = -5303.5198
Iteration 5:   log likelihood = -5303.5197

Conditional fixed-effects Poisson regression    Number of obs     =      6,396
Group variable: volume                          Number of groups  =        246

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(293)    =     760.74
Log likelihood  = -5303.5197                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceur_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip56c80 |   -.4853675    .3679786     -1.32    0.187     -1.206592     .2358572
       ip56c81 |   -.8350655     .390703     -2.14    0.033     -1.600829    -.0693017
       ip56c82 |   -1.110778    .4145681     -2.68    0.007     -1.923317    -.2982398
       ip56c83 |   -.9456867    .3980621     -2.38    0.018     -1.725874    -.1654992
       ip56c84 |   -.5301466    .3649875     -1.45    0.146     -1.245509     .1852158
       ip56c85 |   -.5208118    .3631203     -1.43    0.151     -1.232514     .1908909
       ip56c86 |   -1.359418    .4405134     -3.09    0.002     -2.222808    -.4960275
       ip56c87 |   -.6040797      .36652     -1.65    0.099     -1.322446     .1142862
       ip56c88 |   -.6505325    .3688962     -1.76    0.078     -1.373556     .0724908
       ip56c89 |   -1.587844     .471453     -3.37    0.001     -2.511875    -.6638129
       ip56c90 |   -.4359902    .3518594     -1.24    0.215     -1.125622     .2536415
       ip56c91 |   -.6874993    .3690133     -1.86    0.062     -1.410752     .0357534
       ip56c92 |   -.4237301    .3490778     -1.21    0.225      -1.10791     .2604499
       ip56c93 |   -.6188237    .3620307     -1.71    0.087     -1.328391     .0907433
       ip56c94 |   -.3684743    .3437365     -1.07    0.284     -1.042185     .3052369
       ip56c95 |   -.3635873    .3426024     -1.06    0.289     -1.035076     .3079011
       ip56c96 |   -.2502641    .3403381     -0.74    0.462     -.9173145     .4167863
       ip56c97 |    .0650494    .3179297      0.20    0.838     -.5580813     .6881802
       ip56c98 |   -.1180004    .3260551     -0.36    0.717     -.7570567     .5210558
       ip56c99 |   -.0406669     .321197     -0.13    0.899     -.6702014     .5888676
       ip57c80 |    .0769029    .4341683      0.18    0.859     -.7740513     .9278572
       ip57c81 |   -.2300207    .4562031     -0.50    0.614     -1.124162     .6641209
       ip57c82 |   -.2920885    .4613673     -0.63    0.527     -1.196352     .6121748
       ip57c83 |   -.8136167    .5203696     -1.56    0.118     -1.833522     .2062891
       ip57c84 |    .1478221      .42656      0.35    0.729     -.6882201     .9838643
       ip57c85 |    .2183893    .4213865      0.52    0.604     -.6075131     1.044292
       ip57c86 |    -1.32372    .6111764     -2.17    0.030     -2.521604    -.1258364
       ip57c87 |   -.3918486    .4713817     -0.83    0.406      -1.31574     .5320426
       ip57c88 |   -.5998559    .4959089     -1.21    0.226     -1.571819     .3721076
       ip57c89 |   -.8728384    .5351415     -1.63    0.103     -1.921697     .1760197
       ip57c90 |    -.252433    .4576691     -0.55    0.581     -1.149448      .644582
       ip57c91 |    .0715674     .429089      0.17    0.868     -.7694317     .9125664
       ip57c92 |     .210156    .4186032      0.50    0.616     -.6102911     1.030603
       ip57c93 |   -.1251416    .4458108     -0.28    0.779     -.9989147     .7486314
       ip57c94 |    .1105968    .4256088      0.26    0.795     -.7235812     .9447748
       ip57c95 |    .3591675     .407704      0.88    0.378     -.4399177     1.158253
       ip57c96 |   -.5680672    .5060191     -1.12    0.262     -1.559846      .423712
       ip57c97 |    .0028034    .4346235      0.01    0.995     -.8490429     .8546497
       ip57c98 |     .343484     .408112      0.84    0.400      -.456401     1.143369
       ip57c99 |   -.2332812    .4585781     -0.51    0.611     -1.132078     .6655153
       ip58c80 |   -.5496936     .387837     -1.42    0.156      -1.30984      .210453
       ip58c81 |   -.4295841    .3778413     -1.14    0.256     -1.170139     .3109713
       ip58c82 |   -.3697789    .3724465     -0.99    0.321     -1.099761     .3602029
       ip58c83 |    .1689869    .3416955      0.49    0.621      -.500724     .8386979
       ip58c84 |   -.2585707    .3625855     -0.71    0.476     -.9692253     .4520839
       ip58c85 |     .213115    .3365934      0.63    0.527     -.4465959     .8728258
       ip58c86 |   -.1163614    .3513862     -0.33    0.741     -.8050657     .5723428
       ip58c87 |   -.1505762    .3520291     -0.43    0.669     -.8405405     .5393882
       ip58c88 |    .0448796    .3399434      0.13    0.895     -.6213971     .7111564
       ip58c89 |    -.918706     .413331     -2.22    0.026      -1.72882    -.1085921
       ip58c90 |   -.2201489    .3525264     -0.62    0.532     -.9110879     .4707901
       ip58c91 |   -.1706987     .348161     -0.49    0.624     -.8530817     .5116843
       ip58c92 |   -.0435169    .3393317     -0.13    0.898     -.7085947      .621561
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  ia1journal27 |     .049117    .0150513      3.26    0.001       .019617     .0786169
  ia1journal28 |   -.0287476    .0449392     -0.64    0.522     -.1168267     .0593316
  ia1journal29 |   -.0666251    .0399972     -1.67    0.096     -.1450182     .0117679
  ia1journal30 |    .0751086    .0151408      4.96    0.000      .0454331      .104784
  ia1journal31 |   -.0093175    .0199287     -0.47    0.640      -.048377      .029742
  ia1journal32 |   -.0034802    .0230694     -0.15    0.880     -.0486953     .0417349
  ia1journal33 |    .0505702    .0663621      0.76    0.446     -.0794972     .1806375
  ia1journal34 |   -.1017077    .0379462     -2.68    0.007     -.1760809    -.0273345
  ia1journal36 |    .0112509    .1347029      0.08    0.933      -.252762     .2752638
  ia1journal37 |    -.050561    .0283175     -1.79    0.074     -.1060623     .0049404
  ia1journal38 |    -.006607    .0181353     -0.36    0.716     -.0421516     .0289377
  ia1journal39 |   -.0158218    .0399039     -0.40    0.692     -.0940319     .0623884
          op00 |    .0704825      .15727      0.45    0.654      -.237761      .378726
          os00 |    .4480364    .2140707      2.09    0.036      .0284655     .8676073
          oh00 |   -.0370419     .238901     -0.16    0.877     -.5052794     .4311955
          om00 |    .1979658    .3158527      0.63    0.531     -.4210942     .8170257
          jp95 |   -.0881036    .0974737     -0.90    0.366     -.2791485     .1029413
          jp00 |   -.3767048    .1431787     -2.63    0.009     -.6573299    -.0960797
          jsfs |    .0991643     .084685      1.17    0.242     -.0668152     .2651438
          jsfp |    -.030039    .1054922     -0.28    0.776     -.2367998     .1767219
          jsfd |   -.0638831    .1051188     -0.61    0.543     -.2699121     .1421459
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceur_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceur_sing_auth |
       ip56c80 |    .6154709    .2072482     -1.44    0.149       .318113     1.190786
       ip56c81 |    .4338461    .1699248     -2.13    0.033      .2013469     .9348164
       ip56c82 |    .3293026    .1344727     -2.72    0.007      .1479115     .7331426
       ip56c83 |    .3884128    .1595155     -2.30    0.021       .173667     .8686996
       ip56c84 |    .5885187    .1705165     -1.83    0.067      .3335297     1.038451
       ip56c85 |    .5940381     .302746     -1.02    0.307      .2187799     1.612951
       ip56c86 |    .2568102    .1341253     -2.60    0.009      .0922682     .7147803
       ip56c87 |    .5465772     .252793     -1.31    0.192      .2207848     1.353112
       ip56c88 |    .5217678    .1764221     -1.92    0.054      .2689464     1.012252
       ip56c89 |    .2043658     .109678     -2.96    0.003      .0713822     .5850954
       ip56c90 |     .646624     .224639     -1.25    0.209      .3272971     1.277502
       ip56c91 |    .5028319    .1804052     -1.92    0.055       .248903     1.015817
       ip56c92 |    .6546006    .2080072     -1.33    0.182      .3511534      1.22027
       ip56c93 |    .5385776    .1416113     -2.35    0.019      .3216896     .9016947
       ip56c94 |     .691789    .1832703     -1.39    0.164      .4115963     1.162722
       ip56c95 |     .695178    .1854133     -1.36    0.173      .4121632     1.172527
       ip56c96 |    .7785951    .2413088     -0.81    0.419      .4241311       1.4293
       ip56c97 |    1.067212    .3064198      0.23    0.821      .6079279      1.87348
       ip56c98 |    .8886957    .2423861     -0.43    0.665      .5207068     1.516746
       ip56c99 |    .9601489    .2706396     -0.14    0.885      .5525967      1.66828
       ip57c80 |    1.079937    .5067613      0.16    0.870      .4304984     2.709103
       ip57c81 |    .7945172    .4662116     -0.39    0.695      .2515533     2.509438
       ip57c82 |    .7467025    .3810032     -0.57    0.567       .274678     2.029884
       ip57c83 |    .4432521    .2837024     -1.27    0.204      .1264274     1.554033
       ip57c84 |    1.159307    .5507882      0.31    0.756      .4568686     2.941747
       ip57c85 |    1.244071    .7799628      0.35    0.728      .3640741     4.251095
       ip57c86 |    .2661434    .2363693     -1.49    0.136       .046681     1.517369
       ip57c87 |    .6758064    .4428345     -0.60    0.550      .1870927     2.441112
       ip57c88 |    .5488907    .2801607     -1.18    0.240      .2018469     1.492622
       ip57c89 |    .4177641    .2450635     -1.49    0.137      .1323153     1.319023
       ip57c90 |    .7769083    .4833773     -0.41    0.685      .2294926     2.630092
       ip57c91 |     1.07419    .3189468      0.24    0.810      .6002663     1.922289
       ip57c92 |    1.233871    .3895073      0.67    0.506       .664604     2.290742
       ip57c93 |    .8823719    .4531019     -0.24    0.807      .3225195     2.414056
       ip57c94 |    1.116944    .6603024      0.19    0.852       .350613     3.558239
       ip57c95 |    1.432137    .6671686      0.77    0.441      .5747085     3.568792
       ip57c96 |    .5666196    .3673462     -0.88    0.381      .1590185     2.018997
       ip57c97 |    1.002807    .4123536      0.01    0.995      .4479237     2.245075
       ip57c98 |    1.409851    .4930898      0.98    0.326      .7103441     2.798192
       ip57c99 |    .7919308    .3898429     -0.47    0.636      .3017639     2.078295
       ip58c80 |    .5771266    .1720271     -1.84    0.065      .3217726     1.035126
       ip58c81 |    .6507797     .216532     -1.29    0.197      .3390129     1.249257
       ip58c82 |    .6908871    .2325565     -1.10    0.272      .3571806     1.336369
       ip58c83 |    1.184105    .2859545      0.70    0.484      .7376151     1.900861
       ip58c84 |    .7721544    .2459653     -0.81    0.417      .4135793     1.441616
       ip58c85 |    1.237527    .4463228      0.59    0.555      .6103274     2.509265
       ip58c86 |    .8901534    .3731335     -0.28    0.781      .3914346      2.02428
       ip58c87 |    .8602122    .2584856     -0.50    0.616      .4773397     1.550185
       ip58c88 |    1.045902    .3461925      0.14    0.892      .5466938     2.000957
       ip58c89 |    .3990351    .1261665     -2.91    0.004      .2147232     .7415546
       ip58c90 |    .8023993     .280316     -0.63    0.529      .4045998     1.591312
       ip58c91 |    .8430755    .3476371     -0.41    0.679      .3757324     1.891709
       ip58c92 |    .9574164    .3393645     -0.12    0.902       .477953     1.917859
       ip58c93 |    .8134929    .2926118     -0.57    0.566      .4019557     1.646377
       ip58c94 |    .7422934    .3162913     -0.70    0.484      .3220168     1.711089
       ip58c95 |    .6702543    .2059446     -1.30    0.193      .3670258     1.224003
       ip58c96 |    1.059563    .3818869      0.16    0.872      .5228022     2.147416
       ip58c97 |    .9731657     .274795     -0.10    0.923        .55954     1.692554
       ip58c98 |    .9782885    .2554815     -0.08    0.933      .5863736     1.632148
       ip58c99 |     1.08959    .3109854      0.30    0.764       .622755     1.906377
       ip59c80 |    .4481458    .2153534     -1.67    0.095      .1747351     1.149366
       ip59c81 |     1.11072    .5204573      0.22    0.823      .4433549     2.782644
       ip59c82 |    1.023116    .4867268      0.05    0.962      .4027013     2.599363
       ip59c83 |    1.294987    .6263367      0.53    0.593      .5018468      3.34164
       ip59c84 |    1.520126    .6693574      0.95    0.342      .6413129     3.603208
       ip59c85 |    .8481863    .3233114     -0.43    0.666      .4018191     1.790408
       ip59c86 |    1.178755    .5039954      0.38    0.701      .5098927     2.725011
       ip59c87 |    .3788561    .2954407     -1.24    0.213      .0821651     1.746871
       ip59c88 |    .6010283    .3320489     -0.92    0.357      .2035323     1.774829
       ip59c89 |    .7166819    .4016081     -0.59    0.552      .2389667     2.149391
       ip59c90 |    .4447462    .1914195     -1.88    0.060       .191317     1.033882
       ip59c91 |     .784423    .4176881     -0.46    0.648      .2762512     2.227391
       ip59c92 |    1.128796    .5299825      0.26    0.796       .449745     2.833115
       ip59c93 |    .6818578    .3580178     -0.73    0.466      .2436463     1.908217
       ip59c94 |    .6289229    .2843929     -1.03    0.305      .2592342     1.525817
       ip59c95 |    .5749922    .1742464     -1.83    0.068      .3174772     1.041385
       ip59c96 |    .8470513    .4495041     -0.31    0.754      .2993665     2.396714
       ip59c97 |    .8128243    .2992722     -0.56    0.574      .3949976     1.672626
       ip59c98 |    .9956619    .3520312     -0.01    0.990      .4979168      1.99098
       ip59c99 |    .9974747    .3249398     -0.01    0.994      .5267596     1.888823
       ip60c80 |    .9993963    .3632679     -0.00    0.999      .4901587     2.037693
       ip60c81 |    .9087604    .2447236     -0.36    0.722      .5360756     1.540539
       ip60c82 |    1.069947    .4177875      0.17    0.863      .4977245     2.300038
       ip60c83 |    1.386614    .4033882      1.12    0.261      .7840208     2.452357
       ip60c84 |    1.085748    .3549603      0.25    0.801       .572069     2.060676
       ip60c85 |    1.507576    .4065382      1.52    0.128      .8886711     2.557509
       ip60c86 |    .9396413    .3878051     -0.15    0.880      .4184634     2.109923
       ip60c87 |    1.151704     .477121      0.34    0.733      .5113409     2.594009
       ip60c88 |    .7863956    .2797937     -0.68    0.499      .3915524     1.579401
       ip60c89 |    1.310708    .3330943      1.06    0.287      .7965032     2.156872
       ip60c90 |    .9947228    .4380123     -0.01    0.990      .4196501     2.357853
       ip60c91 |    1.409427    .5418309      0.89    0.372      .6634559     2.994146
       ip60c92 |    1.351175    .2559478      1.59    0.112      .9321196     1.958625
       ip60c93 |    .9297809    .4721676     -0.14    0.886       .343651     2.515611
       ip60c94 |    1.178958    .7689679      0.25    0.801      .3283274     4.233399
       ip60c95 |    1.371104    .3157959      1.37    0.171      .8730107     2.153382
       ip60c96 |    1.864327    .6917933      1.68    0.093      .9008821     3.858125
       ip60c97 |     1.83455    .6224473      1.79    0.074       .943461     3.567262
       ip60c98 |    1.716166    .4200072      2.21    0.027      1.062282     2.772546
       ip60c99 |    1.251548    .2912302      0.96    0.335      .7931887      1.97478
       ip61c80 |     1.09391    .3657036      0.27    0.788      .5680903     2.106423
       ip61c81 |    .9564246     .391036     -0.11    0.913       .429176     2.131405
       ip61c82 |    .9694386    .3018546     -0.10    0.921      .5266005     1.784676
       ip61c83 |      .74636    .2381587     -0.92    0.359      .3993332     1.394959
       ip61c84 |    1.232872    .4612128      0.56    0.576      .5922246     2.566547
       ip61c85 |    1.488906    .5448569      1.09    0.277      .7267332     3.050421
       ip61c86 |    1.261496    .4835283      0.61    0.544      .5951442     2.673926
       ip61c87 |    .9459301    .3670348     -0.14    0.886      .4421609     2.023661
       ip61c88 |    1.121632     .308582      0.42    0.677      .6541371     1.923233
       ip61c89 |    1.383894    .3955768      1.14    0.256      .7903009     2.423333
       ip61c90 |    1.438517    .3349924      1.56    0.118      .9113663     2.270582
       ip61c91 |    1.322476    .3577061      1.03    0.301       .778311     2.247101
       ip61c92 |     1.11771    .3432317      0.36    0.717       .612263     2.040422
       ip61c93 |    1.342093    .5256699      0.75    0.453      .6228518     2.891882
       ip61c94 |    1.002179    .3274481      0.01    0.995      .5282349     1.901357
       ip61c95 |    1.490113    .3752425      1.58    0.113      .9096373     2.441013
       ip61c96 |    2.014034    .5678031      2.48    0.013      1.159026     3.499777
       ip61c97 |    1.416084    .4215529      1.17    0.243      .7901243     2.537947
       ip61c98 |    2.182039    .6243549      2.73    0.006      1.245389     3.823138
       ip61c99 |    1.486148    .4372651      1.35    0.178      .8348638     2.645506
       ip62c80 |    .9413959    .2968277     -0.19    0.848      .5074385      1.74647
       ip62c81 |    .8152709    .3458929     -0.48    0.630      .3549481     1.872574
       ip62c82 |    .9607075    .3635897     -0.11    0.916      .4575569     2.017146
       ip62c83 |    .7275516    .3407453     -0.68    0.497      .2905411     1.821881
       ip62c84 |    .9792315    .3655923     -0.06    0.955      .4710777     2.035533
       ip62c85 |    1.058779    .3160144      0.19    0.848       .589857     1.900483
       ip62c86 |    .7121098    .2258534     -1.07    0.284      .3824539     1.325913
       ip62c87 |    .6463985    .2677771     -1.05    0.292      .2869998     1.455858
       ip62c88 |    .5793467    .3050243     -1.04    0.300      .2064351     1.625899
       ip62c89 |    .6934963    .1997842     -1.27    0.204      .3943009     1.219721
       ip62c90 |    .7724393     .243142     -0.82    0.412      .4168025     1.431524
       ip62c91 |    .9264528    .2066065     -0.34    0.732      .5984095     1.434327
       ip62c92 |    .9331384    .2341566     -0.28    0.783      .5706243     1.525955
       ip62c93 |    .7516989    .2529758     -0.85    0.396      .3886705     1.453805
       ip62c94 |    1.135086    .4033543      0.36    0.721      .5656566     2.277741
       ip62c95 |    .8377398     .295337     -0.50    0.616      .4197844      1.67183
       ip62c96 |    1.077626    .3679723      0.22    0.827      .5518385      2.10438
       ip62c97 |    .7322426    .2274225     -1.00    0.316      .3983692     1.345935
       ip62c98 |    .8548716     .256044     -0.52    0.601      .4752872     1.537608
       ip62c99 |    1.119033    .3349907      0.38    0.707      .6223427     2.012131
       ip63c80 |    1.486971    .5072397      1.16    0.245      .7619703     2.901795
       ip63c81 |    .7679479    .2248775     -0.90    0.367      .4325887      1.36329
       ip63c82 |    .8530211    .2418672     -0.56    0.575      .4893375        1.487
       ip63c83 |    1.223814    .3209407      0.77    0.441      .7319657     2.046161
       ip63c84 |    1.432889    .3929288      1.31    0.190      .8371333     2.452619
       ip63c85 |    1.437026    .4026836      1.29    0.196      .8297376     2.488791
       ip63c86 |    .9464176    .2849295     -0.18    0.855      .5245889     1.707444
       ip63c87 |    .8242394    .3252243     -0.49    0.624      .3803562     1.786143
       ip63c88 |    1.154949    .3082757      0.54    0.589      .6844831     1.948782
       ip63c89 |    .4950891     .171356     -2.03    0.042      .2512307     .9756499
       ip63c90 |    .8660365    .2493511     -0.50    0.617      .4925569     1.522706
       ip63c91 |    1.606628    .5548929      1.37    0.170      .8164499     3.161557
       ip63c92 |    1.110371    .3657948      0.32    0.751      .5821738     2.117793
       ip63c93 |    1.189806    .3614962      0.57    0.567      .6559297     2.158216
       ip63c94 |    .7771868    .2225509     -0.88    0.379       .443384     1.362294
       ip63c95 |    1.263416    .3107671      0.95    0.342      .7801413     2.046066
       ip63c96 |     1.46825    .4475364      1.26    0.208      .8078777      2.66842
       ip63c97 |     1.49405    .4167565      1.44    0.150      .8648233     2.581088
       ip63c98 |    1.569852    .4621881      1.53    0.126      .8815608     2.795538
       ip63c99 |    1.700725    .5349027      1.69    0.091      .9181607     3.150281
       ip64c80 |    .7670006    .3135297     -0.65    0.516      .3442285      1.70901
       ip64c81 |    .8034399    .3099778     -0.57    0.571      .3771799     1.711427
       ip64c82 |    .8699518    .2860281     -0.42    0.672       .456701     1.657137
       ip64c83 |    1.057813    .3659723      0.16    0.871      .5369306      2.08401
       ip64c84 |    1.065085    .2958646      0.23    0.820      .6179214     1.835842
       ip64c85 |    1.500426    .5269851      1.16    0.248      .7537934     2.986598
       ip64c86 |    .7698083    .2503429     -0.80    0.421      .4069775     1.456112
       ip64c87 |    .6807787    .2770008     -0.95    0.345      .3066636     1.511297
       ip64c88 |    .9012244    .3684469     -0.25    0.799      .4044239     2.008302
       ip64c89 |    .8732724    .3291399     -0.36    0.719      .4171847     1.827978
       ip64c90 |    1.032194    .3402803      0.10    0.923       .540939     1.969583
       ip64c91 |    .9717559     .331142     -0.08    0.933       .498306     1.895039
       ip64c92 |    .8162114    .3001953     -0.55    0.581      .3969523      1.67829
       ip64c93 |    .8167988    .2444188     -0.68    0.499      .4543616     1.468347
       ip64c94 |     1.28798    .4149803      0.79    0.432      .6849466     2.421931
       ip64c95 |    .8161044    .3263313     -0.51    0.611       .372718     1.786945
       ip64c96 |    .9473964      .27201     -0.19    0.851      .5396852     1.663118
       ip64c97 |    1.031661    .2783084      0.12    0.908      .6080102     1.750505
       ip64c98 |    1.282047    .3934767      0.81    0.418      .7025207     2.339638
       ip64c99 |    1.075342    .3347099      0.23    0.815      .5842549     1.979205
       ip65c80 |    .8867566    .3216482     -0.33    0.740      .4355649     1.805327
       ip65c81 |    .8307236    .2575418     -0.60    0.550      .4524454     1.525271
       ip65c82 |    .7316914    .2547344     -0.90    0.370      .3698169     1.447669
       ip65c83 |    .5468907    .1466667     -2.25    0.024      .3233129     .9250776
       ip65c84 |      .63463    .1826956     -1.58    0.114      .3609765     1.115738
       ip65c85 |    .8931529    .2450604     -0.41    0.680       .521646      1.52924
       ip65c86 |    .9188133    .2899528     -0.27    0.788      .4950065     1.705468
       ip65c87 |    .5579805      .17603     -1.85    0.064      .3006662     1.035508
       ip65c88 |    .7540572    .2212651     -0.96    0.336      .4242617     1.340216
       ip65c89 |    .8431287    .2704599     -0.53    0.595      .4496188     1.581042
       ip65c90 |    .9106938    .2534824     -0.34    0.737      .5277753     1.571432
       ip65c91 |    .5869208     .191474     -1.63    0.102       .309662     1.112426
       ip65c92 |    .9148588    .3074394     -0.26    0.791      .4734856     1.767671
       ip65c93 |    .5672322    .1871389     -1.72    0.086      .2971228     1.082894
       ip65c94 |    .7207337    .2033619     -1.16    0.246      .4145722     1.252995
       ip65c95 |    .8522875    .2631535     -0.52    0.605      .4653374     1.561005
       ip65c96 |    1.042204    .2830179      0.15    0.879      .6120722     1.774608
       ip65c97 |    .9394159    .3212792     -0.18    0.855      .4805603     1.836403
       ip65c98 |    .9264681     .296067     -0.24    0.811      .4952404     1.733185
       ip65c99 |    1.150215    .3401032      0.47    0.636      .6443026     2.053373
       ip56c00 |    1.426329    .3726487      1.36    0.174      .8547346     2.380171
       ip56c01 |    1.055592    .2164878      0.26    0.792       .706197     1.577851
       ip56c02 |    1.023732    .1952461      0.12    0.902       .704442     1.487741
       ip56c03 |    .8883877    .1773902     -0.59    0.553      .6006723     1.313916
       ip56c04 |    .5421657    .1311558     -2.53    0.011      .3374559     .8710578
       ip57c00 |     1.33445    .5835752      0.66    0.509      .5663165     3.144457
       ip57c01 |    1.529773    .6487069      1.00    0.316      .6663022     3.512228
       ip57c02 |    1.346453    .4079393      0.98    0.326      .7435322     2.438274
       ip57c03 |    1.703548    .4218801      2.15    0.031       1.04847     2.767914
       ip57c04 |    1.115674    .3764755      0.32    0.746      .5758459     2.161567
       ip58c00 |    1.412712    .3868938      1.26    0.207      .8259205     2.416399
       ip58c01 |    .9479271    .2407097     -0.21    0.833      .5762714     1.559275
       ip58c02 |    1.201243    .3094667      0.71    0.477      .7250077     1.990303
       ip58c03 |    .7866688    .2180862     -0.87    0.387       .456894     1.354467
       ip58c04 |    1.348378    .2538227      1.59    0.112      .9323498     1.950044
       ip59c00 |    .4642275    .2046739     -1.74    0.082      .1956336     1.101586
       ip59c01 |    1.176962    .3905445      0.49    0.623      .6142045     2.255338
       ip59c02 |    .8842905     .221596     -0.49    0.624      .5411165     1.445104
       ip59c03 |    .9684061    .2359297     -0.13    0.895      .6007337     1.561108
       ip59c04 |    .8338001    .1758156     -0.86    0.389        .55154     1.260512
       ip60c00 |    1.499876    .4250689      1.43    0.153      .8606422     2.613895
       ip60c01 |     1.06676    .1815434      0.38    0.704      .7642004     1.489107
       ip60c02 |    1.476399      .26016      2.21    0.027      1.045229     2.085432
       ip60c03 |     1.25457    .4354901      0.65    0.514      .6353647     2.477231
       ip60c04 |    2.190306      .56365      3.05    0.002      1.322689     3.627034
       ip61c00 |    1.759979    .4546627      2.19    0.029       1.06075     2.920128
       ip61c01 |    1.357325    .3500545      1.18    0.236      .8187638     2.250137
       ip61c02 |    1.865287    .3608174      3.22    0.001      1.276706     2.725213
       ip61c03 |    1.783659    .4839478      2.13    0.033         1.048     3.035725
       ip61c04 |    1.401113     .222226      2.13    0.033      1.026755     1.911963
       ip62c00 |    .8878571    .2330802     -0.45    0.650      .5307448     1.485253
       ip62c01 |    1.836978    .3288147      3.40    0.001      1.293424     2.608957
       ip62c02 |    1.382009    .2591985      1.73    0.085         .9569     1.995977
       ip62c03 |    1.201313    .2095267      1.05    0.293      .8534814     1.690901
       ip62c04 |    1.058371    .1860017      0.32    0.747      .7499719     1.493589
       ip63c00 |    1.176428    .4003121      0.48    0.633      .6038385     2.291977
       ip63c01 |    1.784799    .5071735      2.04    0.041      1.022609     3.115079
       ip63c02 |    1.218487    .3120169      0.77    0.440      .7376567     2.012738
       ip63c03 |    1.427678    .3907624      1.30    0.193      .8349339     2.441227
       ip63c04 |    1.103008    .3029597      0.36    0.721      .6438456     1.889624
       ip64c00 |    1.767967    .5432322      1.85    0.064      .9681233     3.228624
       ip64c01 |    1.509071    .3817486      1.63    0.104        .91914     2.477636
       ip64c02 |    1.214199    .2103975      1.12    0.263       .864556     1.705246
       ip64c03 |    1.088807     .238204      0.39    0.697      .7091353     1.671755
       ip64c04 |    1.250014    .2824708      0.99    0.323      .8027223     1.946545
       ip65c00 |    1.200961    .3314894      0.66    0.507      .6991657     2.062898
       ip65c01 |    1.072219    .2267797      0.33    0.742      .7083539     1.622994
       ip65c02 |    .9249372    .2279321     -0.32    0.752      .5706251     1.499249
       ip65c03 |    .8941136    .1988293     -0.50    0.615      .5782372     1.382545
       ip65c04 |     1.02263    .1573061      0.15    0.884      .7564537     1.382466
   ia1journal2 |    .9746168    .0037413     -6.70    0.000      .9673114     .9819774
   ia1journal3 |    1.002516    .0056283      0.45    0.655      .9915446     1.013608
   ia1journal4 |    .9906799    .0044986     -2.06    0.039      .9819019     .9995362
   ia1journal5 |    .9990071    .0034623     -0.29    0.774      .9922441     1.005816
   ia1journal6 |    .8844897    .0038922    -27.89    0.000      .8768939     .8921512
   ia1journal7 |    .9954152    .0033285     -1.37    0.169      .9889127      1.00196
   ia1journal8 |    .9951507    .0040461     -1.20    0.232      .9872521     1.003113
   ia1journal9 |    .9983626    .0051267     -0.32    0.750      .9883649     1.008462
  ia1journal10 |    1.050448    .0062594      8.26    0.000      1.038251     1.062788
  ia1journal11 |    1.060012    .0024712     25.00    0.000       1.05518     1.064867
  ia1journal12 |    .9276723    .0035672    -19.52    0.000      .9207071     .9346903
  ia1journal13 |    .9784787    .0036621     -5.81    0.000      .9713274     .9856826
  ia1journal14 |    .9960779    .0029036     -1.35    0.178      .9904032     1.001785
  ia1journal15 |    .9404444    .0031669    -18.23    0.000      .9342577      .946672
  ia1journal16 |    1.254244    .0188786     15.05    0.000      1.217783     1.291797
  ia1journal17 |     .963074    .0038738     -9.35    0.000      .9555113     .9706964
  ia1journal18 |     1.01375    .0047924      2.89    0.004        1.0044     1.023186
  ia1journal20 |    1.006954    .0039185      1.78    0.075      .9993035     1.014664
  ia1journal21 |     .963553    .0038129     -9.38    0.000      .9561087     .9710553
  ia1journal22 |    1.930978    .1415989      8.97    0.000      1.672471     2.229441
  ia1journal23 |    .9419046    .0084469     -6.67    0.000      .9254936     .9586066
  ia1journal24 |    .7470259    .0115079    -18.93    0.000      .7248079     .7699249
  ia1journal27 |    1.050343    .0080447      6.41    0.000      1.034694     1.066229
  ia1journal28 |    .9716617    .0055634     -5.02    0.000      .9608186     .9826272
  ia1journal29 |    .9355458    .0052226    -11.93    0.000      .9253655     .9458382
  ia1journal30 |    1.078001    .0113619      7.13    0.000      1.055961     1.100502
  ia1journal31 |    .9907258    .0102181     -0.90    0.366      .9708998     1.010957
  ia1journal32 |    .9965258    .0089484     -0.39    0.698      .9791408      1.01422
  ia1journal33 |    1.051871    .0096012      5.54    0.000       1.03322     1.070858
  ia1journal34 |    .9032935    .0053768    -17.09    0.000      .8928165     .9138935
  ia1journal36 |    1.011314    .0103586      1.10    0.272      .9912145     1.031822
  ia1journal37 |     .950696    .0052666     -9.13    0.000      .9404295     .9610745
  ia1journal38 |    .9934148    .0055786     -1.18    0.239      .9825408     1.004409
  ia1journal39 |    .9843028    .0075445     -2.06    0.039      .9696263     .9992013
          op00 |    1.073026    .1568765      0.48    0.630      .8056834     1.429078
          os00 |    1.565236      .41851      1.68    0.094      .9268019     2.643459
          oh00 |    .9636357    .1832093     -0.19    0.846      .6638653     1.398768
          om00 |    1.218921    .4360364      0.55    0.580      .6046176     2.457368
          jp95 |     .915666    .1044976     -0.77    0.440      .7321436     1.145191
          jp00 |    .6861186    .0773477     -3.34    0.001      .5500995     .8557701
          jsfs |    1.104248    .0995154      1.10    0.271      .9254559     1.317581
          jsfp |    .9704077     .091462     -0.32    0.750      .8067288     1.167296
          jsfd |    .9381147    .1242724     -0.48    0.630      .7235973     1.216228
---------------+----------------------------------------------------------------
Wald chi2(293) =  4.1e+16                                Prob > chi2 =   0.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        743    1.164711    .8184074        .14       2.77

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        104      1.4375    .9164396        .14       2.77

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        213    1.370423    .9005314        .14       2.77

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |          0

. * Other;
. clear;

. use region_temp_1;

. replace jss2 = jss2_oth;
(1,240 real changes made)

. replace es2 = es2_oth;
(0 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml coth_sing_auth ip* ia1j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 139 groups (3614 obs) dropped because of all zero outcomes
note: ia1journal18 dropped because of collinearity
note: ia1journal19 dropped because of collinearity
note: ia1journal22 dropped because of collinearity
note: ia1journal23 dropped because of collinearity
note: ia1journal25 dropped because of collinearity
note: ia1journal26 dropped because of collinearity
note: ia1journal33 dropped because of collinearity
note: ia1journal35 dropped because of collinearity
note: ia1journal36 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ep00 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity
note: esf dropped because of collinearity

Iteration 0:   log likelihood = -3487.4632
Iteration 1:   log likelihood =  -3165.771
Iteration 2:   log likelihood = -3138.0592
Iteration 3:   log likelihood = -3136.5872
Iteration 4:   log likelihood = -3136.0377
Iteration 5:   log likelihood = -3135.8574
Iteration 6:   log likelihood = -3135.8165
Iteration 7:   log likelihood = -3135.8076
Iteration 8:   log likelihood = -3135.8061
Iteration 9:   log likelihood = -3135.8059
Iteration 10:  log likelihood = -3135.8059
Iteration 11:  log likelihood = -3135.8059

Conditional fixed-effects Poisson regression    Number of obs     =      5,330
Group variable: volume                          Number of groups  =        205

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(288)    =     586.89
Log likelihood  = -3135.8059                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 coth_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip56c80 |   -.4611766     .703357     -0.66    0.512     -1.839731     .9173779
       ip56c81 |   -.4382511    .6996747     -0.63    0.531     -1.809588     .9330862
       ip56c82 |   -.4165961    .6961867     -0.60    0.550     -1.781097     .9479047
       ip56c83 |   -1.089257    .8544409     -1.27    0.202      -2.76393     .5854167
       ip56c84 |    .3164496    .5922068      0.53    0.593     -.8442544     1.477154
       ip56c85 |    .0472623    .6230747      0.08    0.940     -1.173942     1.268466
       ip56c86 |   -16.99513    2067.567     -0.01    0.993     -4069.352     4035.362
       ip56c87 |    .0816747    .6168578      0.13    0.895     -1.127344     1.290694
       ip56c88 |    .0977381    .6139543      0.16    0.874      -1.10559     1.301066
       ip56c89 |    .1131179    .6111835      0.19    0.853      -1.08478     1.311016
       ip56c90 |   -.0544376    .6353392     -0.09    0.932      -1.29968     1.190804
       ip56c91 |    .1420201    .6060353      0.23    0.815     -1.045787     1.329828
       ip56c92 |   -.5374552    .7287326     -0.74    0.461     -1.965745     .8908344
       ip56c93 |    -.929852    .8336747     -1.12    0.265     -2.563824     .7041203
       ip56c94 |   -.5117711    .7251252     -0.71    0.480      -1.93299     .9094481
       ip56c95 |    .7996025    .5301198      1.51    0.131     -.2394131     1.838618
       ip56c96 |    .5512699    .5489695      1.00    0.315     -.5246906      1.62723
       ip56c97 |    .2163952    .5937663      0.36    0.716     -.9473653     1.380156
       ip56c98 |    .3788399    .5713821      0.66    0.507     -.7410485     1.498728
       ip56c99 |    1.078654    .5028101      2.15    0.032      .0931644     2.064144
       ip57c80 |   -.1960015    .6969029     -0.28    0.779     -1.561906     1.169903
       ip57c81 |   -1.079288    .8831267     -1.22    0.222     -2.810184     .6516088
       ip57c82 |   -.1315427    .6888435     -0.19    0.849     -1.481651     1.218566
       ip57c83 |   -.3246746    .7207048     -0.45    0.652      -1.73723     1.087881
       ip57c84 |    .1094444    .6567186      0.17    0.868       -1.1777     1.396589
       ip57c85 |    .4245854    .6205304      0.68    0.494     -.7916319     1.640803
       ip57c86 |   -.5298941    .7675054     -0.69    0.490     -2.034177     .9743888
       ip57c87 |   -.9100925      .86697     -1.05    0.294     -2.609323     .7891375
       ip57c88 |    .0305117     .669139      0.05    0.964     -1.280977        1.342
       ip57c89 |   -.4568566    .7598552     -0.60    0.548     -1.946145     1.032432
       ip57c90 |    .0765334    .6637452      0.12    0.908     -1.224383      1.37745
       ip57c91 |    .6861474    .5902194      1.16    0.245     -.4706615     1.842956
       ip57c92 |    .5894369    .5992736      0.98    0.325     -.5851178     1.763991
       ip57c93 |   -.7764525    .8550969     -0.91    0.364     -2.452412     .8995067
       ip57c94 |   -.7567129    .8534864     -0.89    0.375     -2.429516     .9160898
       ip57c95 |    .1786818    .6525902      0.27    0.784     -1.100371     1.457735
       ip57c96 |    .3163778    .6272774      0.50    0.614     -.9130633     1.545819
       ip57c97 |    .6851686    .5884568      1.16    0.244     -.4681857     1.838523
       ip57c98 |    .8188648    .5745628      1.43    0.154     -.3072576     1.944987
       ip57c99 |    .7165497    .5847626      1.23    0.220      -.429564     1.862663
       ip58c80 |   -.5059434    .6537482     -0.77    0.439     -1.787266     .7753796
       ip58c81 |    -.009329    .5892066     -0.02    0.987     -1.164153     1.145495
       ip58c82 |   -.4543203     .645944     -0.70    0.482     -1.720347     .8117066
       ip58c83 |   -.0943199    .5961917     -0.16    0.874     -1.262834     1.074194
       ip58c84 |   -.2263067    .6122324     -0.37    0.712      -1.42626     .9736467
       ip58c85 |   -.6108968    .6737566     -0.91    0.365     -1.931436      .709642
       ip58c86 |    .7305759    .5163186      1.41    0.157     -.2813899     1.742542
       ip58c87 |    .5260258    .5285809      1.00    0.320     -.5099737     1.562025
       ip58c88 |    .4565772    .5322411      0.86    0.391     -.5865962     1.499751
       ip58c89 |    .0211883    .5759212      0.04    0.971     -1.107596     1.149973
       ip58c90 |     .036834    .5729624      0.06    0.949     -1.086152      1.15982
       ip58c91 |    .6706096    .5090076      1.32    0.188      -.327027     1.668246
       ip58c92 |     .198986     .551389      0.36    0.718     -.8817166     1.279689
       ip58c93 |    .3297961    .5358434      0.62    0.538     -.7204377      1.38003
       ip58c94 |    .7097197    .5000431      1.42    0.156     -.2703467     1.689786
       ip58c95 |    .9287415    .4825283      1.92    0.054     -.0169965      1.87448
       ip58c96 |    .3211248    .5281059      0.61    0.543     -.7139437     1.356193
       ip58c97 |     .884443    .4813952      1.84    0.066     -.0590743      1.82796
       ip58c98 |    .9563517    .4742156      2.02    0.044      .0269063     1.885797
       ip58c99 |    .3904268    .5208746      0.75    0.454     -.6304687     1.411322
       ip59c80 |   -.2631985    .6954459     -0.38    0.705     -1.626247      1.09985
       ip59c81 |    .1449374    .6386706      0.23    0.820     -1.106834     1.396709
       ip59c82 |   -.3727277    .7129169     -0.52    0.601     -1.770019     1.024564
       ip59c83 |    .7537977    .5796441      1.30    0.193     -.3822839     1.889879
       ip59c84 |     .369714    .6102656      0.61    0.545     -.8263847     1.565813
       ip59c85 |   -.3051236    .7017473     -0.43    0.664     -1.680523     1.070276
       ip59c86 |    .8101745    .5665882      1.43    0.153     -.3003179     1.920667
       ip59c87 |    .1327747    .6322727      0.21    0.834     -1.106457     1.372007
       ip59c88 |    .4355596    .5947118      0.73    0.464     -.7300541     1.601173
       ip59c89 |   -.9362059    .8511475     -1.10    0.271     -2.604424     .7320124
       ip59c90 |    .1765647    .6220841      0.28    0.777     -1.042698     1.395827
       ip59c91 |    .4778621    .5842784      0.82    0.413     -.6673025     1.623027
       ip59c92 |    .3574762    .5961991      0.60    0.549     -.8110525     1.526005
       ip59c93 |    .2159819    .6128885      0.35    0.725     -.9852575     1.417221
       ip59c94 |   -.4650173    .7340434     -0.63    0.526     -1.903716     .9736813
       ip59c95 |    .6451789     .559712      1.15    0.249     -.4518364     1.742194
       ip59c96 |    .3757859    .5837742      0.64    0.520     -.7683906     1.519962
       ip59c97 |    .9543587    .5284889      1.81    0.071     -.0814605     1.990178
       ip59c98 |    .6756682    .5514474      1.23    0.220     -.4051489     1.756485
       ip59c99 |    .7904844    .5387863      1.47    0.142     -.2655174     1.846486
       ip60c80 |    .5017605     .603584      0.83    0.406     -.6812424     1.684763
       ip60c81 |    .4090547    .6106778      0.67    0.503     -.7878517     1.605961
       ip60c82 |    .2994744    .6210388      0.48    0.630     -.9177393     1.516688
       ip60c83 |      .45577    .6024168      0.76    0.449     -.7249452     1.636485
       ip60c84 |    .3437584    .6131817      0.56    0.575     -.8580556     1.545572
       ip60c85 |    .6152525    .5827682      1.06    0.291     -.5269521     1.757457
       ip60c86 |    .8346855    .5611745      1.49    0.137     -.2651963     1.934567
       ip60c87 |    .9389384    .5504112      1.71    0.088     -.1398477     2.017725
       ip60c88 |    .7722164    .5615381      1.38    0.169     -.3283782     1.872811
       ip60c89 |    .4293857    .5949465      0.72    0.470     -.7366879     1.595459
       ip60c90 |    .7979636    .5540227      1.44    0.150      -.287901     1.883828
       ip60c91 |    .7024599     .560286      1.25    0.210     -.3956804       1.8006
       ip60c92 |    .3046402    .6044441      0.50    0.614     -.8800485     1.489329
       ip60c93 |    .7153075    .5528746      1.29    0.196     -.3683068     1.798922
       ip60c94 |    .7179459    .5491018      1.31    0.191     -.3582739     1.794166
       ip60c95 |    .9184777    .5264136      1.74    0.081      -.113274     1.950229
       ip60c96 |    .8806697    .5221613      1.69    0.092     -.1427477     1.904087
       ip60c97 |    1.150295    .4990814      2.30    0.021      .1721134     2.128476
       ip60c98 |     1.38947    .4781073      2.91    0.004       .452397     2.326543
       ip60c99 |     1.25839    .4808213      2.62    0.009      .3159974     2.200782
       ip61c80 |    .2484221    .5419429      0.46    0.647     -.8137666     1.310611
       ip61c81 |    .2736124    .5380192      0.51    0.611     -.7808859     1.328111
       ip61c82 |    .2110665    .5412904      0.39    0.697     -.8498432     1.271976
       ip61c83 |   -.0836227    .5685291     -0.15    0.883     -1.197919     1.030674
       ip61c84 |     .162581    .5427197      0.30    0.765     -.9011301     1.226292
       ip61c85 |    .3672858    .5238031      0.70    0.483     -.6593495     1.393921
       ip61c86 |    .5431551    .5090418      1.07    0.286     -.4545486     1.540859
       ip61c87 |    .0046052    .5563409      0.01    0.993     -1.085803     1.095013
       ip61c88 |     .430463    .5146151      0.84    0.403     -.5781641      1.43909
       ip61c89 |    .2678986    .5278519      0.51    0.612     -.7666722     1.302469
       ip61c90 |     .469324    .5091595      0.92    0.357     -.5286102     1.467258
       ip61c91 |    .7109342    .4899024      1.45    0.147     -.2492569     1.671125
       ip61c92 |    .2179316    .5310548      0.41    0.682     -.8229166      1.25878
       ip61c93 |    -.170351    .5790367     -0.29    0.769     -1.305242     .9645401
       ip61c94 |    .6934612     .487744      1.42    0.155     -.2624994     1.649422
       ip61c95 |    .4681783     .505328      0.93    0.354     -.5222464     1.458603
       ip61c96 |    .3303918    .5145047      0.64    0.521     -.6780188     1.338802
       ip61c97 |    .4979769    .5017132      0.99    0.321     -.4853629     1.481317
       ip61c98 |    .6767182    .4855333      1.39    0.163     -.2749096     1.628346
       ip61c99 |    .8896427    .4677671      1.90    0.057      -.027164     1.806449
       ip62c80 |    .9186993    .5902193      1.56    0.120     -.2381092     2.075508
       ip62c81 |    .4509691    .6258379      0.72    0.471     -.7756508     1.677589
       ip62c82 |    .5861001    .6109213      0.96    0.337     -.6112837     1.783484
       ip62c83 |    .4852578    .6186684      0.78    0.433     -.7273099     1.697826
       ip62c84 |    .6195599    .6038974      1.03    0.305     -.5640572     1.803177
       ip62c85 |    .5178957    .6120446      0.85    0.397     -.6816897     1.717481
       ip62c86 |    .6513785    .5974219      1.09    0.276     -.5195469     1.822304
       ip62c87 |    1.413908    .5429689      2.60    0.009      .3497082     2.478107
       ip62c88 |    .4302502    .6177387      0.70    0.486     -.7804953     1.640996
       ip62c89 |    .4447106     .615089      0.72    0.470     -.7608417     1.650263
       ip62c90 |    .9977249     .561885      1.78    0.076     -.1035494     2.098999
       ip62c91 |    1.091362    .5535086      1.97    0.049      .0065052     2.176219
       ip62c92 |    .6189944    .5930233      1.04    0.297     -.5433099     1.781299
       ip62c93 |   -.7548335    .8509752     -0.89    0.375     -2.422714     .9130473
       ip62c94 |    1.129324     .546366      2.07    0.039      .0584666     2.200182
       ip62c95 |    .5219339    .6017676      0.87    0.386     -.6575089     1.701377
       ip62c96 |    1.033522    .5473348      1.89    0.059     -.0392343     2.106279
       ip62c97 |    1.082471    .5462148      1.98    0.048      .0119096     2.153032
       ip62c98 |    .6850298     .581202      1.18    0.239     -.4541052     1.824165
       ip62c99 |    .3878924    .6133534      0.63    0.527     -.8142581     1.590043
       ip63c80 |     .098264    .5041745      0.19    0.845     -.8898998     1.086428
       ip63c81 |   -.7991293    .5909323     -1.35    0.176     -1.957335     .3590768
       ip63c82 |   -.0078697    .5046606     -0.02    0.988     -.9969862     .9812469
       ip63c83 |   -.6095843    .5621716     -1.08    0.278      -1.71142     .4922517
       ip63c84 |   -.5930771    .5582622     -1.06    0.288     -1.687251     .5010967
       ip63c85 |    .0416409    .4914637      0.08    0.932     -.9216102     1.004892
       ip63c86 |    -.110507    .5015163     -0.22    0.826     -1.093461     .8724468
       ip63c87 |   -1.108019    .6377996     -1.74    0.082     -2.358083     .1420454
       ip63c88 |    .2269964     .468838      0.48    0.628     -.6919092     1.145902
       ip63c89 |    -.166029    .4996714     -0.33    0.740     -1.145367     .8133089
       ip63c90 |   -.0591426    .4871159     -0.12    0.903     -1.013872      .895587
       ip63c91 |   -.0484228    .4838922     -0.10    0.920      -.996834     .8999884
       ip63c92 |    .0484252    .4728771      0.10    0.918     -.8783969     .9752472
       ip63c93 |   -1.328972     .686175     -1.94    0.053      -2.67385     .0159064
       ip63c94 |   -.2222661    .4959415     -0.45    0.654     -1.194294     .7497613
       ip63c95 |   -.8029395    .5765186     -1.39    0.164     -1.932895     .3270162
       ip63c96 |   -.3565929    .5039305     -0.71    0.479     -1.344279     .6310926
       ip63c97 |    .2379061    .4465053      0.53    0.594     -.6372283      1.11304
       ip63c98 |     .434312    .4295669      1.01    0.312     -.4076237     1.276248
       ip63c99 |    .9237922    .3982052      2.32    0.020      .1433244      1.70426
       ip64c80 |    .4601931    .5137504      0.90    0.370     -.5467392     1.467125
       ip64c81 |    .2732799    .5228375      0.52    0.601     -.7514628     1.298023
       ip64c82 |   -.0747094    .5502052     -0.14    0.892     -1.153092     1.003673
       ip64c83 |    .5800291    .4957759      1.17    0.242     -.3916738     1.551732
       ip64c84 |    .3295683    .5093298      0.65    0.518     -.6686997     1.327836
       ip64c85 |    .3464446    .5050772      0.69    0.493     -.6434885     1.336378
       ip64c86 |    .2823613    .5073039      0.56    0.578     -.7119361     1.276659
       ip64c87 |    .6457181    .4783776      1.35    0.177     -.2918847     1.583321
       ip64c88 |    -.093902    .5396001     -0.17    0.862     -1.151499     .9636947
       ip64c89 |   -.3683548    .5736979     -0.64    0.521     -1.492782     .7560723
       ip64c90 |     .491236    .4799289      1.02    0.306     -.4494074     1.431879
       ip64c91 |    .6361542    .4668858      1.36    0.173     -.2789251     1.551234
       ip64c92 |   -.5165486    .5934647     -0.87    0.384     -1.679718     .6466208
       ip64c93 |    .1860804    .4990532      0.37    0.709      -.792046     1.164207
       ip64c94 |   -.1620843    .5374923     -0.30    0.763      -1.21555     .8913813
       ip64c95 |    .6075193    .4580734      1.33    0.185     -.2902881     1.505327
       ip64c96 |    .2690856    .4803308      0.56    0.575     -.6723455     1.210517
       ip64c97 |    .3961886    .4702502      0.84    0.400      -.525485     1.317862
       ip64c98 |    .3095446    .4751153      0.65    0.515     -.6216643     1.240754
       ip64c99 |    .7956182    .4327837      1.84    0.066     -.0526222     1.643859
       ip65c80 |   -.8116297    .6090144     -1.33    0.183     -2.005276     .3820166
       ip65c81 |   -.2729043    .5463785     -0.50    0.617     -1.343786     .7979779
       ip65c82 |   -.7579232    .5998784     -1.26    0.206     -1.933663     .4178169
       ip65c83 |    -.579695    .5753141     -1.01    0.314      -1.70729     .5478998
       ip65c84 |   -.7114893    .5916123     -1.20    0.229     -1.871028     .4480495
       ip65c85 |   -.0845432    .5193167     -0.16    0.871     -1.102385     .9332989
       ip65c86 |    .1018108    .5013668      0.20    0.839       -.88085     1.084472
       ip65c87 |    .7736539    .4586007      1.69    0.092      -.125187     1.672495
       ip65c88 |    .1363214    .4932564      0.28    0.782     -.8304433     1.103086
       ip65c89 |    .3592893    .4744798      0.76    0.449     -.5706741     1.289253
       ip65c90 |    .3088863     .475112      0.65    0.516     -.6223161     1.240089
       ip65c91 |     .321853    .4715325      0.68    0.495     -.6023338      1.24604
       ip65c92 |    .1105541     .485587      0.23    0.820     -.8411788     1.062287
       ip65c93 |   -.0610411     .499418     -0.12    0.903     -1.039882     .9178002
       ip65c94 |    .6416853    .4433381      1.45    0.148     -.2272414     1.510612
       ip65c95 |     .598898    .4432576      1.35    0.177     -.2698709     1.467667
       ip65c96 |    .6280834    .4357574      1.44    0.149     -.2259853     1.482152
       ip65c97 |    .9639994    .4194967      2.30    0.022      .1418009     1.786198
       ip65c98 |    .6101638    .4340056      1.41    0.160     -.2404715     1.460799
       ip65c99 |    1.098187    .4071394      2.70    0.007      .3002084     1.896166
       ip56c00 |    .8307707    .5162673      1.61    0.108     -.1810945     1.842636
       ip56c01 |    .9142384     .496165      1.84    0.065     -.0582271     1.886704
       ip56c02 |    1.308153    .4285629      3.05    0.002      .4681856     2.148121
       ip56c03 |    .8018219    .4257631      1.88    0.060     -.0326583     1.636302
       ip56c04 |    .4047731    .4291905      0.94    0.346     -.4364249     1.245971
       ip57c00 |    .8307157    .5670136      1.47    0.143     -.2806105     1.942042
       ip57c01 |    .4294399    .6031397      0.71    0.476     -.7526922     1.611572
       ip57c02 |    .9646478    .5025612      1.92    0.055     -.0203541      1.94965
       ip57c03 |    .5127059    .5070993      1.01    0.312     -.4811906     1.506602
       ip57c04 |    .7467585    .4534527      1.65    0.100     -.1419925      1.63551
       ip58c00 |    .6706422    .4882337      1.37    0.170     -.2862782     1.627563
       ip58c01 |    1.012981    .4578178      2.21    0.027      .1156747     1.910287
       ip58c02 |       .9091    .4288839      2.12    0.034      .0685031     1.749697
       ip58c03 |    .4964589     .428194      1.16    0.246     -.3427858     1.335704
       ip58c04 |    .5990405    .3915015      1.53    0.126     -.1682883     1.366369
       ip59c00 |    .6843123    .5450642      1.26    0.209     -.3839939     1.752618
       ip59c01 |    .7981044     .542655      1.47    0.141     -.2654799     1.861689
       ip59c02 |    1.235812    .4712253      2.62    0.009       .312227     2.159396
       ip59c03 |     .215033    .5359291      0.40    0.688     -.8353686     1.265435
       ip59c04 |     .299365    .4932731      0.61    0.544     -.6674326     1.266163
       ip60c00 |    .8579462    .5037984      1.70    0.089     -.1294805     1.845373
       ip60c01 |    1.036849    .4813101      2.15    0.031      .0934989       1.9802
       ip60c02 |    .8807127    .4669985      1.89    0.059     -.0345875     1.796013
       ip60c03 |    .8864837    .4417726      2.01    0.045      .0206253     1.752342
       ip60c04 |    1.189693    .4078336      2.92    0.004      .3903539     1.989032
       ip61c00 |    .6013064    .4843156      1.24    0.214     -.3479347     1.550548
       ip61c01 |    1.056756    .4378842      2.41    0.016      .1985187     1.914993
       ip61c02 |    .6525591    .4225587      1.54    0.123     -.1756407     1.480759
       ip61c03 |    .5906264    .3852555      1.53    0.125     -.1644605     1.345713
       ip61c04 |    .3532995      .36657      0.96    0.335     -.3651645     1.071763
       ip62c00 |    1.495081    .5102603      2.93    0.003      .4949892     2.495173
       ip62c01 |    1.506033    .4979706      3.02    0.002      .5300283     2.482037
       ip62c02 |    1.157179    .4823998      2.40    0.016      .2116923     2.102665
       ip62c03 |     .590776    .4932208      1.20    0.231      -.375919     1.557471
       ip62c04 |    1.079589    .4284974      2.52    0.012      .2397497     1.919429
       ip63c00 |    .4830316    .4184162      1.15    0.248     -.3370491     1.303112
       ip63c01 |     .742074    .3978949      1.87    0.062     -.0377856     1.521934
       ip63c02 |    .3388705    .3814195      0.89    0.374     -.4086981     1.086439
       ip63c03 |    .1947064     .347225      0.56    0.575      -.485842     .8752549
       ip63c04 |    .4170122    .2976245      1.40    0.161      -.166321     1.000346
       ip64c00 |    .6762959    .4358355      1.55    0.121      -.177926     1.530518
       ip64c01 |    .6978735    .4241266      1.65    0.100     -.1333993     1.529146
       ip64c02 |    .8056889    .3794625      2.12    0.034      .0619561     1.549422
       ip64c03 |    .7721338    .3460069      2.23    0.026      .0939728     1.450295
       ip64c04 |    .4625019     .338751      1.37    0.172     -.2014378     1.126442
       ip65c00 |    .9622323    .4077351      2.36    0.018      .1630863     1.761378
       ip65c01 |     1.08471    .3946356      2.75    0.006      .3112383     1.858181
       ip65c02 |    1.036545    .3707681      2.80    0.005      .3098533     1.763237
       ip65c03 |    .8625601    .3172404      2.72    0.007      .2407804      1.48434
       ip65c04 |    .1776817    .3176275      0.56    0.576     -.4448567     .8002201
   ia1journal2 |   -.0391096    .0104538     -3.74    0.000     -.0595986    -.0186205
   ia1journal3 |    .0008492    .0164047      0.05    0.959     -.0313034     .0330018
   ia1journal4 |   -.0055474    .0150786     -0.37    0.713     -.0351009     .0240061
   ia1journal5 |   -.0131897    .0123335     -1.07    0.285     -.0373629     .0109834
   ia1journal6 |    -.050057     .075995     -0.66    0.510     -.1990045     .0988905
   ia1journal7 |   -.0743077    .0311553     -2.39    0.017     -.1353711    -.0132444
   ia1journal8 |   -.0201019    .0175706     -1.14    0.253     -.0545396     .0143358
   ia1journal9 |   -.0111023    .0154094     -0.72    0.471     -.0413041     .0190996
  ia1journal10 |    .0407335    .0210744      1.93    0.053     -.0005717     .0820386
  ia1journal11 |      .06588    .0189355      3.48    0.001      .0287671     .1029928
  ia1journal12 |   -.1594122    .0376485     -4.23    0.000     -.2332019    -.0856226
  ia1journal13 |    .0067046    .0206241      0.33    0.745     -.0337178      .047127
  ia1journal14 |   -.0375459    .0174801     -2.15    0.032     -.0718062    -.0032855
  ia1journal15 |   -.0282643    .0306771     -0.92    0.357     -.0883904     .0318618
  ia1journal16 |   -.1101249    .0727749     -1.51    0.130      -.252761     .0325112
  ia1journal17 |   -.0073258    .0200797     -0.36    0.715     -.0466813     .0320297
  ia1journal20 |    -.008295    .0114301     -0.73    0.468     -.0306976     .0141077
  ia1journal21 |   -.0575602    .0314511     -1.83    0.067     -.1192031     .0040828
  ia1journal24 |   -.8429996    .7758154     -1.09    0.277      -2.36357     .6775706
  ia1journal27 |    .0158346    .0227032      0.70    0.486     -.0286629      .060332
  ia1journal28 |   -.0624552    .0392443     -1.59    0.112     -.1393725     .0144621
  ia1journal29 |     .159338    .1263443      1.26    0.207     -.0882924     .4069683
  ia1journal30 |    .1095074    .0274486      3.99    0.000       .055709     .1633057
  ia1journal31 |      .01053    .0313423      0.34    0.737     -.0508998     .0719598
  ia1journal32 |    .1063396    .0559947      1.90    0.058     -.0034081     .2160872
  ia1journal34 |    -.019493    .0359502     -0.54    0.588      -.089954     .0509681
  ia1journal37 |   -.0930729    .0474148     -1.96    0.050     -.1860041    -.0001417
  ia1journal38 |   -.0464236    .0253531     -1.83    0.067     -.0961149     .0032676
  ia1journal39 |   -13.87763    787.9634     -0.02    0.986     -1558.258     1530.502
          op00 |   -.1440986    .2132321     -0.68    0.499     -.5620258     .2738287
          os00 |   -.1167623    .3115757     -0.37    0.708     -.7274396     .4939149
          oh00 |    .1742684    .2798054      0.62    0.533     -.3741401     .7226768
          om00 |    .1102608    .4290914      0.26    0.797     -.7307428     .9512644
          jp95 |    .0843364    .1568263      0.54    0.591     -.2230374     .3917102
          jp00 |   -.2364575    .1792989     -1.32    0.187     -.5878768     .1149619
          jsfs |    .2230807    .0982131      2.27    0.023      .0305865     .4155748
          jsfp |    .3672783    .1183289      3.10    0.002      .1353579     .5991987
          jsfd |     .298495    .1281994      2.33    0.020      .0472288     .5497612
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 coth_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
coth_sing_auth |
       ip56c80 |    .6305413     .376821     -0.77    0.440      .1954441      2.03425
       ip56c81 |    .6451638    .4119055     -0.69    0.492      .1845948     2.254865
       ip56c82 |    .6592872    .2566204     -1.07    0.284      .3074352     1.413825
       ip56c83 |    .3364665    .3232349     -1.13    0.257      .0511934     2.211412
       ip56c84 |    1.372247     .789236      0.55    0.582      .4444993     4.236366
       ip56c85 |    1.048397    .5464679      0.09    0.928      .3774368     2.912106
       ip56c86 |    4.16e-08    2.43e-08    -29.07    0.000      1.32e-08     1.31e-07
       ip56c87 |    1.085103    .6398797      0.14    0.890      .3416029     3.446833
       ip56c88 |    1.102674    .6494235      0.17    0.868      .3476395      3.49756
       ip56c89 |    1.119764    .6565671      0.19    0.847      .3548374      3.53365
       ip56c90 |    .9470176    .4836343     -0.11    0.915      .3480617     2.576676
       ip56c91 |      1.1526    .6169141      0.27    0.791      .4037234     3.290585
       ip56c92 |    .5842331    .3103753     -1.01    0.312      .2062449     1.654966
       ip56c93 |    .3946121    .1880041     -1.95    0.051      .1551081     1.003937
       ip56c94 |     .599433    .3571327     -0.86    0.390      .1864697     1.926962
       ip56c95 |    2.224657    .8905942      2.00    0.046      1.015085     4.875549
       ip56c96 |    1.735455    1.128355      0.85    0.397      .4852671      6.20649
       ip56c97 |    1.241593    .6157056      0.44    0.663       .469752     3.281632
       ip56c98 |    1.460589    .5964183      0.93    0.354      .6560662     3.251685
       ip56c99 |    2.940719     1.32671      2.39    0.017      1.214598     7.119911
       ip57c80 |     .822011    .4602368     -0.35    0.726      .2743452     2.462963
       ip57c81 |    .3398375    .3692256     -0.99    0.321      .0404074      2.85813
       ip57c82 |    .8767419    .5305009     -0.22    0.828      .2678088     2.870243
       ip57c83 |    .7227625    .6310478     -0.37    0.710      .1305591     4.001145
       ip57c84 |    1.115658     1.05092      0.12    0.908      .1760849     7.068706
       ip57c85 |    1.528956    1.432019      0.45    0.650      .2438711     9.585833
       ip57c86 |    .5886673     .285224     -1.09    0.274      .2277411     1.521592
       ip57c87 |     .402487    .2927151     -1.25    0.211      .0967613     1.674179
       ip57c88 |    1.030982    .5275344      0.06    0.952      .3781873     2.810575
       ip57c89 |    .6332711    .6002915     -0.48    0.630       .098791     4.059403
       ip57c90 |    1.079538    .7991235      0.10    0.918      .2530112     4.606131
       ip57c91 |    1.986049    .9792229      1.39    0.164      .7556219      5.22006
       ip57c92 |    1.802973    .9814832      1.08    0.279      .6203276     5.240313
       ip57c93 |    .4600351    .3533465     -1.01    0.312      .1020928     2.072941
       ip57c94 |    .4692062    .5028756     -0.71    0.480      .0574224     3.833945
       ip57c95 |     1.19564    .4810463      0.44    0.657      .5434174     2.630677
       ip57c96 |    1.372149    .3486012      1.25    0.213      .8339675     2.257632
       ip57c97 |    1.984106    1.021016      1.33    0.183      .7236671     5.439901
       ip57c98 |    2.267924    1.348646      1.38    0.169      .7070529     7.274531
       ip57c99 |    2.047357    .7439863      1.97    0.049       1.00433     4.173597
       ip58c80 |    .6029365    .4446829     -0.69    0.493      .1420647     2.558922
       ip58c81 |    .9907144    .5600255     -0.02    0.987      .3271794     2.999929
       ip58c82 |    .6348793    .3255606     -0.89    0.376       .232382     1.734523
       ip58c83 |    .9099916    .5555459     -0.15    0.877      .2750316     3.010871
       ip58c84 |    .7974734    .3657596     -0.49    0.622      .3245745     1.959377
       ip58c85 |    .5428638     .310687     -1.07    0.286       .176823     1.666644
       ip58c86 |    2.076276    .9722086      1.56    0.119      .8293027     5.198249
       ip58c87 |    1.692194    .8086908      1.10    0.271      .6632317     4.317526
       ip58c88 |    1.578661    .7384951      0.98    0.329      .6311003     3.948931
       ip58c89 |    1.021414    .4536108      0.05    0.962      .4277429     2.439052
       ip58c90 |    1.037521    .2734547      0.14    0.889      .6189412     1.739179
       ip58c91 |    1.955429    1.121235      1.17    0.242      .6355744     6.016137
       ip58c92 |    1.220165    .6195602      0.39    0.695      .4510305      3.30089
       ip58c93 |    1.390685    .5262536      0.87    0.383      .6624034     2.919676
       ip58c94 |    2.033421    .9651087      1.50    0.135       .802098     5.154983
       ip58c95 |    2.531322    1.589708      1.48    0.139      .7392309     8.667913
       ip58c96 |    1.378678    .6894005      0.64    0.521      .5173969     3.673682
       ip58c97 |    2.421635    1.121391      1.91    0.056      .9771048     6.001728
       ip58c98 |    2.602186    1.342173      1.85    0.064      .9468906     7.151164
       ip58c99 |    1.477611    .6600273      0.87    0.382      .6156601     3.546332
       ip59c80 |    .7685893    .3474042     -0.58    0.560      .3169197     1.863972
       ip59c81 |    1.155967    .6678666      0.25    0.802      .3725281     3.587005
       ip59c82 |    .6888528      .69782     -0.37    0.713      .0945898     5.016589
       ip59c83 |    2.125055    1.570438      1.02    0.308      .4992558     9.045181
       ip59c84 |    1.447321    .9047528      0.59    0.554       .425069     4.927992
       ip59c85 |    .7370323    .7125088     -0.32    0.752      .1108172     4.901916
       ip59c86 |      2.2483    1.320682      1.38    0.168      .7109627     7.109872
       ip59c87 |    1.141993    .6149981      0.25    0.805      .3974342     3.281417
       ip59c88 |    1.545828    1.056727      0.64    0.524      .4048371     5.902581
       ip59c89 |    .3921127    .4637688     -0.79    0.429      .0386063     3.982577
       ip59c90 |    1.193112    .5516314      0.38    0.703      .4820929     2.952782
       ip59c91 |    1.612623    .7337275      1.05    0.294      .6610657      3.93388
       ip59c92 |    1.429717    .9388791      0.54    0.586      .3947074     5.178746
       ip59c93 |     1.24108    1.041486      0.26    0.797      .2396022     6.428487
       ip59c94 |    .6281242    .6483353     -0.45    0.652      .0830721      4.74937
       ip59c95 |    1.906328    .5994386      2.05    0.040      1.029296     3.530654
       ip59c96 |    1.456135    .4706459      1.16    0.245      .7728229     2.743617
       ip59c97 |    2.597005    .9953569      2.49    0.013       1.22527     5.504447
       ip59c98 |    1.965346    1.635981      0.81    0.417      .3844919     10.04594
       ip59c99 |    2.204464    .8553064      2.04    0.042      1.030497     4.715843
       ip60c80 |    1.651626    .8099078      1.02    0.306      .6316962     4.318326
       ip60c81 |    1.505394    .7003872      0.88    0.379      .6048215     3.746909
       ip60c82 |     1.34915    .6433043      0.63    0.530      .5298932      3.43504
       ip60c83 |    1.577387    .7436116      0.97    0.334      .6261309     3.973851
       ip60c84 |    1.410238    .7668349      0.63    0.527      .4857812     4.093965
       ip60c85 |    1.850124    .6839494      1.66    0.096      .8964592     3.818308
       ip60c86 |    2.304089    .7282971      2.64    0.008      1.240063     4.281093
       ip60c87 |    2.557265    .8929173      2.69    0.007       1.28992     5.069776
       ip60c88 |    2.164558    .9282677      1.80    0.072      .9339697     5.016558
       ip60c89 |    1.536314    .5952598      1.11    0.268      .7189083     3.283116
       ip60c90 |    2.221013    .5691813      3.11    0.002      1.344042     3.670197
       ip60c91 |    2.018712    .6480529      2.19    0.029      1.076017       3.7873
       ip60c92 |    1.356137    .5909588      0.70    0.484      .5772695     3.185873
       ip60c93 |    2.044815    .3486997      4.19    0.000      1.463861      2.85633
       ip60c94 |    2.050217    .7541139      1.95    0.051      .9970335     4.215898
       ip60c95 |    2.505473    .8420202      2.73    0.006      1.296655     4.841223
       ip60c96 |    2.412515    .7051533      3.01    0.003      1.360419     4.278263
       ip60c97 |    3.159125    .8631653      4.21    0.000      1.849241     5.396845
       ip60c98 |    4.012723    1.099724      5.07    0.000       2.34509     6.866238
       ip60c99 |     3.51975    1.275152      3.47    0.001      1.730352     7.159606
       ip61c80 |    1.282001    .4993836      0.64    0.524      .5974698     2.750811
       ip61c81 |    1.314705     .571535      0.63    0.529      .5607766     3.082243
       ip61c82 |    1.234994    .4625098      0.56    0.573      .5927712     2.573019
       ip61c83 |    .9197782    .3331365     -0.23    0.817      .4522562     1.870603
       ip61c84 |    1.176544    .6580103      0.29    0.771      .3931453     3.520975
       ip61c85 |     1.44381    .4929727      1.08    0.282       .739396     2.819313
       ip61c86 |     1.72143    .5184055      1.80    0.071      .9540067     3.106183
       ip61c87 |    1.004616    .4572846      0.01    0.992      .4116679     2.451619
       ip61c88 |    1.537969    .7472545      0.89    0.376      .5934357     3.985857
       ip61c89 |    1.307215    .4529097      0.77    0.439       .662875     2.577876
       ip61c90 |    1.598913    .5832683      1.29    0.198      .7821942     3.268399
       ip61c91 |    2.035892    .6823751      2.12    0.034      1.055493     3.926939
       ip61c92 |    1.243502    .6502882      0.42    0.677      .4461814     3.465625
       ip61c93 |    .8433688     .391787     -0.37    0.714      .3393062     2.096251
       ip61c94 |    2.000628    .9887271      1.40    0.161      .7594435     5.270323
       ip61c95 |    1.597082    .5474574      1.37    0.172      .8157316     3.126851
       ip61c96 |    1.391513    .4019506      1.14    0.253      .7899698     2.451118
       ip61c97 |    1.645389    .4945242      1.66    0.098      .9129325     2.965504
       ip61c98 |    1.967411    .6323185      2.11    0.035      1.047905     3.693755
       ip61c99 |     2.43426    1.047713      2.07    0.039      1.047146     5.658831
       ip62c80 |    2.506029    2.140138      1.08    0.282      .4699629     13.36314
       ip62c81 |    1.569833    1.195436      0.59    0.554      .3529058     6.983096
       ip62c82 |    1.796967    1.142481      0.92    0.357      .5168452     6.247692
       ip62c83 |    1.624594    1.371855      0.57    0.566      .3104312     8.502063
       ip62c84 |     1.85811    1.573325      0.73    0.464      .3534519     9.768158
       ip62c85 |    1.678492    1.069925      0.81    0.417      .4812114     5.854672
       ip62c86 |    1.918183    .8666927      1.44    0.149      .7912098      4.65038
       ip62c87 |    4.111992    2.982397      1.95    0.051      .9923893     17.03815
       ip62c88 |    1.537642    1.288005      0.51    0.608      .2977465     7.940794
       ip62c89 |    1.560039    1.207689      0.57    0.566      .3421256     7.113528
       ip62c90 |    2.712104    1.932998      1.40    0.162      .6708562     10.96436
       ip62c91 |    2.978328    1.499178      2.17    0.030      1.110478     7.987949
       ip62c92 |     1.85706      1.0613      1.08    0.279      .6058548     5.692239
       ip62c93 |    .4700889    .2546595     -1.39    0.164       .162578     1.359246
       ip62c94 |    3.093565    1.751321      1.99    0.046      1.019951     9.382945
       ip62c95 |    1.685284    1.038861      0.85    0.397      .5034614     5.641309
       ip62c96 |    2.810949    1.735848      1.67    0.094      .8379338     9.429664
       ip62c97 |    2.951964    1.778624      1.80    0.072      .9062404     9.615654
       ip62c98 |    1.983831    .9623921      1.41    0.158      .7666047     5.133787
       ip62c99 |    1.473871    .5405314      1.06    0.290      .7182699     3.024346
       ip63c80 |    1.103254    .5389255      0.20    0.841      .4235205     2.873933
       ip63c81 |    .4497204    .1776675     -2.02    0.043      .2073313      .975484
       ip63c82 |    .9921612    .3128557     -0.02    0.980      .5347798     1.840728
       ip63c83 |    .5435768    .2702906     -1.23    0.220      .2051188      1.44051
       ip63c84 |    .5526242    .3007892     -1.09    0.276      .1901635     1.605952
       ip63c85 |     1.04252    .6177566      0.07    0.944      .3263591     3.330221
       ip63c86 |      .89538    .5422386     -0.18    0.855      .2732267     2.934213
       ip63c87 |    .3302125    .1739713     -2.10    0.035       .117582     .9273552
       ip63c88 |    1.254825    .6740732      0.42    0.673      .4378554     3.596134
       ip63c89 |    .8470217    .3373644     -0.42    0.677        .38803     1.848944
       ip63c90 |    .9425724    .5006696     -0.11    0.911      .3327966     2.669626
       ip63c91 |    .9527309     .476726     -0.10    0.923      .3573118     2.540347
       ip63c92 |    1.049617    .3437201      0.15    0.882      .5524413     1.994231
       ip63c93 |    .2647493    .1342894     -2.62    0.009      .0979666     .7154707
       ip63c94 |    .8007022    .2883792     -0.62    0.537      .3952793     1.621952
       ip63c95 |    .4480101     .138113     -2.60    0.009      .2448379     .8197793
       ip63c96 |    .7000574    .3256107     -0.77    0.443      .2813344     1.741985
       ip63c97 |     1.26859    .7592179      0.40    0.691       .392554     4.099616
       ip63c98 |      1.5439    .5570798      1.20    0.229      .7611731      3.13152
       ip63c99 |    2.518824    .9126204      2.55    0.011      1.238199     5.123954
       ip64c80 |     1.58438    .8693482      0.84    0.402      .5405124     4.644223
       ip64c81 |    1.314268     .768739      0.47    0.640      .4176388     4.135871
       ip64c82 |    .9280132    .5834534     -0.12    0.905      .2706407      3.18211
       ip64c83 |     1.78609    .6860445      1.51    0.131      .8413051     3.791869
       ip64c84 |    1.390368    .5394072      0.85    0.396      .6499763     2.974143
       ip64c85 |    1.414031    .8495065      0.58    0.564      .4355953     4.590233
       ip64c86 |    1.326258    .7216382      0.52    0.604      .4565365     3.852835
       ip64c87 |    1.907356    1.088144      1.13    0.258        .62348     5.835002
       ip64c88 |     .910372    .6687093     -0.13    0.898       .215761     3.841182
       ip64c89 |    .6918716    .2684905     -0.95    0.343      .3233738     1.480288
       ip64c90 |    1.634335    .8428692      0.95    0.341       .594777     4.490844
       ip64c91 |    1.889201    .7546289      1.59    0.111      .8635182     4.133187
       ip64c92 |     .596576    .2882994     -1.07    0.285      .2313753     1.538207
       ip64c93 |    1.204519    .5566109      0.40    0.687      .4869357     2.979585
       ip64c94 |    .8503695       .3675     -0.38    0.708      .3645424      1.98366
       ip64c95 |    1.835871    .8617587      1.29    0.196       .731624      4.60677
       ip64c96 |    1.308767    .7755902      0.45    0.650      .4096668     4.181133
       ip64c97 |     1.48615     .589837      1.00    0.318      .6826996     3.235157
       ip64c98 |    1.362804    .5470873      0.77    0.441      .6204763     2.993242
       ip64c99 |     2.21581    .9008035      1.96    0.050      .9988259     4.915588
       ip65c80 |    .4441337     .252317     -1.43    0.153      .1458603     1.352353
       ip65c81 |    .7611657    .4112694     -0.51    0.614      .2639745     2.194807
       ip65c82 |    .4686387    .2134631     -1.66    0.096      .1919195     1.144345
       ip65c83 |    .5600691    .1764042     -1.84    0.066      .3020925     1.038349
       ip65c84 |    .4909125    .2527046     -1.38    0.167      .1789927     1.346396
       ip65c85 |     .918932    .3362444     -0.23    0.817      .4485615     1.882542
       ip65c86 |    1.107174    .4224844      0.27    0.790      .5240919     2.338968
       ip65c87 |    2.167672    .9244543      1.81    0.070      .9396777     5.000441
       ip65c88 |     1.14605     .450822      0.35    0.729      .5301104     2.477656
       ip65c89 |    1.432311    .6200402      0.83    0.407      .6131356      3.34594
       ip65c90 |    1.361907    .5761514      0.73    0.465      .5943593     3.120658
       ip65c91 |    1.379682    .4667718      0.95    0.341       .710889     2.677664
       ip65c92 |    1.116897    .3269766      0.38    0.706      .6292453     1.982468
       ip65c93 |    .9407846    .4757684     -0.12    0.904      .3491606     2.534867
       ip65c94 |     1.89968    .7872568      1.55    0.122      .8431973      4.27988
       ip65c95 |    1.820112    .6336586      1.72    0.085       .919938     3.601121
       ip65c96 |    1.874015    .7123868      1.65    0.098      .8896068     3.947737
       ip65c97 |    2.622163    1.110963      2.28    0.023      1.142933      6.01587
       ip65c98 |    1.840733    .5224762      2.15    0.032      1.055321      3.21068
       ip65c99 |    2.998724    .9725915      3.39    0.001      1.588042     5.662537
       ip56c00 |    2.295087     .643621      2.96    0.003      1.324625     3.976538
       ip56c01 |    2.494874    .7223175      3.16    0.002      1.414517     4.400369
       ip56c02 |    3.699336    1.281018      3.78    0.000      1.876579     7.292572
       ip56c03 |    2.229599    .6086235      2.94    0.003      1.305782     3.807001
       ip56c04 |    1.498962    .4034601      1.50    0.133      .8844671     2.540386
       ip57c00 |    2.294961    1.029739      1.85    0.064       .952456     5.529751
       ip57c01 |    1.536397    .8738442      0.76    0.450      .5039324      4.68419
       ip57c02 |    2.623863    .7104874      3.56    0.000      1.543312     4.460965
       ip57c03 |    1.669803    .5967104      1.43    0.151      .8288679     3.363917
       ip57c04 |    2.110149    .6060991      2.60    0.009      1.201772     3.705136
       ip58c00 |    1.955493     1.01171      1.30    0.195      .7093682     5.390645
       ip58c01 |    2.753798    1.404286      1.99    0.047      1.013598     7.481666
       ip58c02 |    2.482088    .8837125      2.55    0.011      1.235261     4.987415
       ip58c03 |    1.642893     .902617      0.90    0.366      .5596975     4.822424
       ip58c04 |    1.820371    .7667183      1.42    0.155      .7973413     4.156002
       ip59c00 |    1.982408    .6514349      2.08    0.037      1.041074     3.774892
       ip59c01 |    2.221326    1.342255      1.32    0.187      .6796207     7.260359
       ip59c02 |     3.44117    1.022183      4.16    0.000      1.922475     6.159587
       ip59c03 |    1.239903    .2797343      0.95    0.341      .7967979     1.929421
       ip59c04 |    1.349002    .7057559      0.57    0.567      .4838273     3.761272
       ip60c00 |    2.358312    .5263392      3.84    0.000      1.522741     3.652384
       ip60c01 |    2.820317    .8780215      3.33    0.001      1.532152     5.191515
       ip60c02 |    2.412619    .8492196      2.50    0.012      1.210246     4.809543
       ip60c03 |    2.426582    .7628331      2.82    0.005      1.310409     4.493484
       ip60c04 |    3.286073    1.071735      3.65    0.000      1.734053     6.227187
       ip61c00 |    1.824501    .7341501      1.49    0.135      .8291519     4.014709
       ip61c01 |    2.877022    .7090002      4.29    0.000      1.774913     4.663473
       ip61c02 |    1.920449     .462452      2.71    0.007      1.197926     3.078759
       ip61c03 |    1.805119    .3523889      3.03    0.002      1.231224     2.646515
       ip61c04 |    1.423757    .4161394      1.21    0.227       .802869     2.524802
       ip62c00 |    4.459698    2.138776      3.12    0.002      1.742157     11.41625
       ip62c01 |    4.508808     2.71687      2.50    0.012      1.384056     14.68824
       ip62c02 |    3.180946    1.701053      2.16    0.030      1.115231     9.072932
       ip62c03 |    1.805389     .795367      1.34    0.180      .7613293     4.281234
       ip62c04 |     2.94347    1.347676      2.36    0.018      1.199871     7.220791
       ip63c00 |    1.620981    .7788445      1.01    0.315      .6321134     4.156817
       ip63c01 |    2.100287     .765906      2.03    0.042      1.027716      4.29224
       ip63c02 |    1.403362    .5772735      0.82    0.410      .6266534     3.142764
       ip63c03 |    1.214954    .5081046      0.47    0.642      .5352787     2.757655
       ip63c04 |    1.517421    .2378485      2.66    0.008      1.116052     2.063136
       ip64c00 |     1.96658    .9469224      1.40    0.160      .7653355     5.053256
       ip64c01 |    2.009475    .8102277      1.73    0.083      .9117485     4.428842
       ip64c02 |    2.238238    1.125021      1.60    0.109      .8357201     5.994481
       ip64c03 |     2.16438    .8203408      2.04    0.042      1.029703     4.549408
       ip64c04 |    1.588042    .4719754      1.56    0.120      .8869108      2.84344
       ip65c00 |    2.617533    .5507765      4.57    0.000      1.732942      3.95367
       ip65c01 |    2.958581    1.003009      3.20    0.001       1.52234     5.749833
       ip65c02 |     2.81946    .7605452      3.84    0.000      1.661711     4.783836
       ip65c03 |    2.369218    .7942639      2.57    0.010      1.228134     4.570508
       ip65c04 |    1.194445    .2041341      1.04    0.298      .8544632     1.669702
   ia1journal2 |    .9616453    .0027036    -13.91    0.000      .9563609      .966959
   ia1journal3 |     1.00085    .0087058      0.10    0.922      .9839311     1.018059
   ia1journal4 |     .994468    .0065685     -0.84    0.401       .981677     1.007426
   ia1journal5 |    .9868969    .0042037     -3.10    0.002      .9786921     .9951704
   ia1journal6 |    .9511752    .0064813     -7.35    0.000      .9385565     .9639636
   ia1journal7 |     .928386      .00431    -16.01    0.000      .9199769     .9368719
   ia1journal8 |    .9800988    .0050722     -3.88    0.000      .9702076     .9900908
   ia1journal9 |    .9889591    .0083858     -1.31    0.190      .9726591     1.005532
  ia1journal10 |    1.041574    .0081595      5.20    0.000      1.025704      1.05769
  ia1journal11 |    1.068099    .0049522     14.21    0.000      1.058436     1.077849
  ia1journal12 |    .8526448    .0049475    -27.47    0.000      .8430027     .8623971
  ia1journal13 |    1.006727    .0062285      1.08    0.279      .9945933     1.019009
  ia1journal14 |    .9631502    .0045659     -7.92    0.000      .9542427     .9721409
  ia1journal15 |    .9721314    .0061295     -4.48    0.000      .9601916     .9842196
  ia1journal16 |    .8957223    .0063112    -15.63    0.000      .8834375     .9081779
  ia1journal17 |     .992701    .0062264     -1.17    0.243      .9805722      1.00498
  ia1journal20 |    .9917393    .0055142     -1.49    0.136      .9809904     1.002606
  ia1journal21 |    .9440651    .0051544    -10.54    0.000      .9340165     .9542218
  ia1journal24 |    .4304175    .0942212     -3.85    0.000      .2802569     .6610335
  ia1journal27 |    1.015961    .0082608      1.95    0.051       .999898     1.032281
  ia1journal28 |    .9394551    .0059401     -9.88    0.000      .9278845       .95117
  ia1journal29 |    1.172734     .019624      9.52    0.000      1.134896     1.211834
  ia1journal30 |    1.115728    .0155655      7.85    0.000      1.085634     1.146657
  ia1journal31 |    1.010586    .0126591      0.84    0.401      .9860764     1.035704
  ia1journal32 |    1.112199    .0208067      5.68    0.000      1.072158     1.153737
  ia1journal34 |    .9806958     .006396     -2.99    0.003      .9682396     .9933123
  ia1journal37 |    .9111271    .0058081    -14.60    0.000      .8998143     .9225821
  ia1journal38 |    .9546375    .0048898     -9.06    0.000      .9451016     .9642695
  ia1journal39 |    9.40e-07    4.67e-07    -27.91    0.000      3.55e-07     2.49e-06
          op00 |    .8658024    .2203707     -0.57    0.571       .525732     1.425848
          os00 |    .8897966    .2940091     -0.35    0.724       .465623     1.700384
          oh00 |    1.190375    .3468806      0.60    0.550      .6724188     2.107307
          om00 |    1.116569     .453128      0.27    0.786      .5040221     2.473556
          jp95 |    1.087995    .1812978      0.51    0.613      .7848506     1.508227
          jp00 |    .7894195    .1446416     -1.29    0.197       .551247     1.130497
          jsfs |    1.249921    .0939487      2.97    0.003      1.078706     1.448312
          jsfp |      1.4438    .1141791      4.64    0.000      1.236494     1.685862
          jsfd |    1.347829    .1455166      2.76    0.006      1.090777     1.665458
---------------+----------------------------------------------------------------
Wald chi2(288) = -1.4e+17                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        743    1.281507    1.064269        .11       3.49

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        104    1.715481     1.20079        .11       3.49

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        213    1.640376    1.152771        .11       3.49

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |          0

. **********************************************************************;
. *** 1966-1975                                                      ***;
. **********************************************************************;
. clear;

. use region_temp;

. gen plower = 1966;

. gen pupper = 1975;

. keep if pyear >= plower & pyear <= pupper;
(47,947 observations deleted)

. * Create fixed effects for publication x citation year interactions;
. * Drop the 2005 cyear to avoid multicolinearity with the constant;
. * Don't create variables with pyear after cyear;
. * Do create variables with pyear = cyear since keeping age0 = 1 observations;
. forvalues y = 56/99 {;
  2.    forvalues x = 80/99 {;
  3.       quietly gen ip`y'c`x' = py19`y' * c`x' if
>          (`x' >= `y')
>        & (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 56/99 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip`y'c0`x' = py19`y' * c0`x' if
>          (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 0/5 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip0`y'c0`x' = py200`y' * c0`x' if
>          (`x' >= `y')
>        & (2000 + `y' >= plower)
>        & (2000 + `y' <= pupper);
  4.    };
  5. };

. foreach var of varlist ip* {;
  2.    capture assert !missing(`var');
  3.    if _rc {;
  4.       drop `var';
  5.    };
  6. };

. egen title = group(journal);

. rename journal smournal;

. quietly tabulate title, generate(journal);

. drop title;

. foreach var of varlist journal* {;
  2.    quietly gen ia1`var' = age * `var';
  3.    quietly gen ia2`var' = age2 * `var';
  4.    quietly gen ia3`var' = age3 * `var';
  5.    quietly gen ia4`var' = age4 * `var';
  6. };

. rename smournal journal;

. * avoid multicolinearity by dropping first journal's age profile;
.  drop ia1journal1 ia2journal1 ia3journal1 ia4journal1;

.  save region_temp_1, replace;
file region_temp_1.dta saved

. * USA;
. replace jss2 = jss2_usa;
(1,479 real changes made)

. replace es2 = es2_usa;
(96 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml cusa_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 19 groups (494 obs) dropped because of all zero outcomes
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -28437.238
Iteration 1:   log likelihood = -20467.836
Iteration 2:   log likelihood = -20117.654
Iteration 3:   log likelihood = -20115.246
Iteration 4:   log likelihood = -20115.058
Iteration 5:   log likelihood = -20115.055
Iteration 6:   log likelihood = -20115.055

Conditional fixed-effects Poisson regression    Number of obs     =     12,012
Group variable: volume                          Number of groups  =        462

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(377)    =   14934.44
Log likelihood  = -20115.055                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 cusa_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip66c80 |    1.755676    .1806581      9.72    0.000      1.401592     2.109759
       ip66c81 |    1.696788    .1814872      9.35    0.000      1.341079     2.052496
       ip66c82 |    1.652445     .182095      9.07    0.000      1.295545     2.009344
       ip66c83 |    1.561903    .1832611      8.52    0.000      1.202717     1.921088
       ip66c84 |    1.456701    .1846657      7.89    0.000      1.094763     1.818639
       ip66c85 |    1.547088    .1831692      8.45    0.000      1.188083     1.906093
       ip66c86 |    1.387997    .1852651      7.49    0.000      1.024884      1.75111
       ip66c87 |    1.428997    .1842493      7.76    0.000      1.067875     1.790119
       ip66c88 |    1.294869    .1860088      6.96    0.000      .9302988      1.65944
       ip66c89 |    1.093015    .1893697      5.77    0.000      .7218572     1.464173
       ip66c90 |     1.29546    .1848336      7.01    0.000      .9331928     1.657727
       ip66c91 |    1.178044    .1863273      6.32    0.000      .8128495     1.543239
       ip66c92 |    .9753233    .1899586      5.13    0.000      .6030113     1.347635
       ip66c93 |    1.149021    .1853024      6.20    0.000      .7858344     1.512207
       ip66c94 |    .9579943    .1886805      5.08    0.000      .5881874     1.327801
       ip66c95 |    .8920256    .1894126      4.71    0.000      .5207837     1.263267
       ip66c96 |    .8726354     .186683      4.67    0.000      .5067434     1.238527
       ip66c97 |    .7415764    .1911497      3.88    0.000      .3669298     1.116223
       ip66c98 |    .7169152    .1876433      3.82    0.000      .3491411     1.084689
       ip66c99 |    .6997973    .1853751      3.78    0.000      .3364687     1.063126
       ip67c80 |    1.798079    .2026307      8.87    0.000       1.40093     2.195228
       ip67c81 |    1.897578    .2017584      9.41    0.000      1.502139     2.293017
       ip67c82 |    1.865111    .2022747      9.22    0.000       1.46866     2.261562
       ip67c83 |    1.662846    .2048285      8.12    0.000      1.261389     2.064302
       ip67c84 |    1.735431    .2038255      8.51    0.000      1.335941     2.134922
       ip67c85 |    1.657343    .2046923      8.10    0.000      1.256154     2.058533
       ip67c86 |    1.547294    .2060085      7.51    0.000      1.143525     1.951063
       ip67c87 |     1.50515    .2062754      7.30    0.000      1.100858     1.909443
       ip67c88 |    1.336258    .2086982      6.40    0.000      .9272173     1.745299
       ip67c89 |    1.102407    .2129972      5.18    0.000      .6849405     1.519874
       ip67c90 |    1.277952    .2085158      6.13    0.000       .869268     1.686635
       ip67c91 |    1.078721    .2120974      5.09    0.000       .663018     1.494425
       ip67c92 |     1.14156    .2097445      5.44    0.000      .7304679     1.552651
       ip67c93 |    1.173526    .2080478      5.64    0.000      .7657599     1.581292
       ip67c94 |    1.036926    .2102882      4.93    0.000      .6247691     1.449084
       ip67c95 |    .9147576    .2125305      4.30    0.000      .4982054      1.33131
       ip67c96 |    .9701125     .208161      4.66    0.000      .5621244     1.378101
       ip67c97 |    .8309549    .2125435      3.91    0.000      .4143773     1.247533
       ip67c98 |    .8307869    .2093683      3.97    0.000      .4204325     1.241141
       ip67c99 |    .7643798    .2089181      3.66    0.000      .3549079     1.173852
       ip68c80 |     1.10664    .1423757      7.77    0.000       .827589     1.385691
       ip68c81 |     1.07877    .1429382      7.55    0.000       .798616     1.358924
       ip68c82 |    1.006771    .1439795      6.99    0.000      .7245766     1.288966
       ip68c83 |    1.073098     .143218      7.49    0.000      .7923957       1.3538
       ip68c84 |    .9239358    .1450929      6.37    0.000       .639559     1.208313
       ip68c85 |    .9616593    .1444354      6.66    0.000      .6785712     1.244747
       ip68c86 |    .7570735    .1471564      5.14    0.000      .4686523     1.045495
       ip68c87 |     .891611     .144759      6.16    0.000      .6078885     1.175333
       ip68c88 |    .8355677    .1450815      5.76    0.000      .5512133     1.119922
       ip68c89 |     .680191    .1469666      4.63    0.000      .3921418     .9682402
       ip68c90 |    .7186561    .1455985      4.94    0.000      .4332883     1.004024
       ip68c91 |     .636752    .1461904      4.36    0.000       .350224       .92328
       ip68c92 |    .5127365      .14763      3.47    0.001       .223387      .802086
       ip68c93 |     .640187    .1441656      4.44    0.000      .3576277     .9227463
       ip68c94 |    .5856432     .144062      4.07    0.000      .3032869     .8679996
       ip68c95 |    .3700676    .1474371      2.51    0.012      .0810963      .659039
       ip68c96 |    .6013442    .1391911      4.32    0.000      .3285347     .8741537
       ip68c97 |    .5006819    .1415196      3.54    0.000      .2233086     .7780551
       ip68c98 |    .4011188    .1393902      2.88    0.004      .1279191     .6743185
       ip68c99 |    .2456319    .1400634      1.75    0.079     -.0288872     .5201511
       ip69c80 |      1.7588    .1475479     11.92    0.000      1.469612     2.047989
       ip69c81 |    1.532961    .1496862     10.24    0.000      1.239581      1.82634
       ip69c82 |    1.533513    .1498592     10.23    0.000      1.239795     1.827232
       ip69c83 |    1.531251    .1499856     10.21    0.000      1.237284     1.825217
       ip69c84 |    1.377687    .1515497      9.09    0.000      1.080655     1.674719
       ip69c85 |    1.480805    .1504191      9.84    0.000      1.185989     1.775621
       ip69c86 |     1.27608    .1524655      8.37    0.000       .977253     1.574907
       ip69c87 |    1.431323    .1504754      9.51    0.000      1.136396     1.726249
       ip69c88 |    1.151183    .1534097      7.50    0.000      .8505052      1.45186
       ip69c89 |    1.123595    .1533161      7.33    0.000      .8231007     1.424089
       ip69c90 |    1.133993    .1526007      7.43    0.000      .8349007     1.433084
       ip69c91 |    .9215132     .155174      5.94    0.000      .6173779     1.225649
       ip69c92 |    1.008998    .1530061      6.59    0.000      .7091117     1.308885
       ip69c93 |    .9629722    .1529032      6.30    0.000      .6632875     1.262657
       ip69c94 |    .7789751    .1553006      5.02    0.000      .4745915     1.083359
       ip69c95 |    .7643427    .1546373      4.94    0.000      .4612593     1.067426
       ip69c96 |    .7681737    .1517381      5.06    0.000      .4707725     1.065575
       ip69c97 |    .5272362    .1575794      3.35    0.001      .2183863     .8360861
       ip69c98 |    .5844064    .1527204      3.83    0.000      .2850799     .8837328
       ip69c99 |    .5307287    .1514681      3.50    0.000      .2338566     .8276008
       ip70c80 |    1.767045     .134143     13.17    0.000      1.504129     2.029961
       ip70c81 |     1.66425    .1350963     12.32    0.000      1.399466     1.929034
       ip70c82 |    1.525292    .1363786     11.18    0.000      1.257995      1.79259
       ip70c83 |    1.555791    .1362466     11.42    0.000      1.288753      1.82283
       ip70c84 |    1.483145    .1369091     10.83    0.000      1.214808     1.751482
       ip70c85 |    1.539886    .1363928     11.29    0.000      1.272561     1.807211
       ip70c86 |    1.389065    .1375936     10.10    0.000      1.119386     1.658743
       ip70c87 |    1.434078    .1369398     10.47    0.000      1.165681     1.702475
       ip70c88 |    1.353578    .1373492      9.86    0.000      1.084379     1.622777
       ip70c89 |    1.326176     .137157      9.67    0.000      1.057353     1.594998
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   ia2journal4 |    .0007999    .0003203      2.50    0.013      .0001722     .0014276
   ia2journal5 |   -.0001168    .0002302     -0.51    0.612     -.0005681     .0003344
   ia2journal6 |   -.0009454    .0011957     -0.79    0.429     -.0032888     .0013981
   ia2journal7 |    -.000472    .0005656     -0.83    0.404     -.0015805     .0006365
   ia2journal8 |    .0000704    .0005999      0.12    0.907     -.0011053     .0012462
   ia2journal9 |   -.0011339    .0003508     -3.23    0.001     -.0018214    -.0004464
  ia2journal10 |   -.0002118    .0006352     -0.33    0.739     -.0014567     .0010331
  ia2journal11 |    .0001134    .0003722      0.30    0.761     -.0006161      .000843
  ia2journal12 |   -.0001402    .0007191     -0.20    0.845     -.0015496     .0012691
  ia2journal13 |   -.0015696    .0004814     -3.26    0.001     -.0025132     -.000626
  ia2journal14 |   -.0012707    .0011699     -1.09    0.277     -.0035637     .0010222
  ia2journal15 |    .0005584    .0006482      0.86    0.389      -.000712     .0018288
  ia2journal16 |   -.0005251    .0019679     -0.27    0.790     -.0043822      .003332
  ia2journal17 |    .0007208     .000393      1.83    0.067     -.0000494     .0014911
  ia2journal18 |    .0010354    .0009319      1.11    0.267     -.0007911      .002862
  ia2journal19 |   -.0010026    .0005209     -1.92    0.054     -.0020235     .0000183
  ia2journal20 |   -.0004584    .0003212     -1.43    0.154     -.0010879     .0001711
  ia2journal21 |    .0003796    .0009416      0.40    0.687     -.0014659      .002225
  ia2journal22 |    .0008628    .0011983      0.72    0.471     -.0014858     .0032115
  ia2journal23 |    .0008219    .0006987      1.18    0.239     -.0005475     .0021914
  ia2journal24 |   -.0010968    .0003486     -3.15    0.002       -.00178    -.0004136
  ia2journal25 |   -.0000575     .000789     -0.07    0.942     -.0016039     .0014889
  ia2journal26 |    .0002992    .0005558      0.54    0.590     -.0007901     .0013885
  ia2journal27 |    .0003443    .0007555      0.46    0.649     -.0011366     .0018251
  ia2journal28 |   -.0014539    .0012068     -1.20    0.228     -.0038192     .0009113
  ia2journal29 |    .0002958    .0036504      0.08    0.935     -.0068588     .0074505
  ia2journal30 |   -.0028292    .0011022     -2.57    0.010     -.0049894     -.000669
  ia2journal31 |     .001136     .003462      0.33    0.743     -.0056494     .0079213
  ia2journal32 |    .0011299    .0012355      0.91    0.360     -.0012916     .0035513
  ia2journal33 |    .0002668    .0014358      0.19    0.853     -.0025474     .0030809
  ia2journal34 |   -.0016301    .0012687     -1.28    0.199     -.0041167     .0008565
  ia2journal35 |    .0001325    .0010704      0.12    0.901     -.0019655     .0022305
  ia2journal36 |    .0018234    .0061244      0.30    0.766     -.0101803     .0138271
  ia2journal37 |    .0003744    .0004501      0.83    0.406     -.0005078     .0012565
  ia2journal38 |    .0020758    .0010449      1.99    0.047      .0000279     .0041237
  ia2journal39 |   -.0014644     .000691     -2.12    0.034     -.0028187      -.00011
  ia2journal40 |    .0007793    .0030527      0.26    0.799     -.0052039     .0067625
  ia2journal41 |    -.000632    .0004289     -1.47    0.141     -.0014726     .0002085
  ia2journal42 |    -.001032    .0017364     -0.59    0.552     -.0044354     .0023714
  ia2journal43 |   -.0022983     .001125     -2.04    0.041     -.0045032    -.0000934
  ia2journal44 |   -.0011096    .0003857     -2.88    0.004     -.0018656    -.0003537
  ia2journal45 |   -.0023494    .0016663     -1.41    0.159     -.0056154     .0009166
  ia2journal46 |   -.0004182    .0004896     -0.85    0.393     -.0013778     .0005414
  ia2journal47 |    .0000835    .0003567      0.23    0.815     -.0006156     .0007825
  ia2journal48 |    .0007112    .0011447      0.62    0.534     -.0015324     .0029548
  ia2journal49 |    .0007125    .0012951      0.55    0.582     -.0018259     .0032509
  ia2journal50 |    .0026152    .0007162      3.65    0.000      .0012115     .0040189
  ia2journal51 |    -.004009    .0059679     -0.67    0.502     -.0157059      .007688
  ia2journal52 |   -.0008878    .0024658     -0.36    0.719     -.0057208     .0039451
  ia2journal53 |    .0011516     .002489      0.46    0.644     -.0037267     .0060298
  ia2journal54 |   -.0017028      .00438     -0.39    0.697     -.0102873     .0068818
  ia2journal55 |    .0006351    .0009394      0.68    0.499      -.001206     .0024763
  ia2journal56 |   -.0008439    .0028087     -0.30    0.764     -.0063488      .004661
  ia2journal57 |   -.0004432    .0005164     -0.86    0.391     -.0014554      .000569
  ia2journal58 |    .0000374    .0010614      0.04    0.972     -.0020429     .0021178
  ia2journal59 |   -.0010944    .0011918     -0.92    0.358     -.0034303     .0012415
          op00 |    .0670421    .0611072      1.10    0.273     -.0527259       .18681
          os00 |    .0875674    .0679134      1.29    0.197     -.0455404     .2206752
          oh00 |     .179673    .0881576      2.04    0.042      .0068872     .3524588
          om00 |     .193123    .1066605      1.81    0.070     -.0159278     .4021738
          jp95 |    .0731475     .038372      1.91    0.057     -.0020602     .1483552
          jp00 |   -.0045939    .0536414     -0.09    0.932      -.109729     .1005413
          ep00 |    .0626929    .1262955      0.50    0.620     -.1848417     .3102274
          jsfs |    .0173767    .0075291      2.31    0.021      .0026199     .0321335
          jsfp |    .0157694    .0086445      1.82    0.068     -.0011736     .0327124
          jsfd |    .0187362    .0077126      2.43    0.015      .0036198     .0338527
           esf |    .7290157    .2252418      3.24    0.001        .28755     1.170481
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 cusa_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
cusa_sing_auth |
       ip66c80 |    5.787356    1.414514      7.18    0.000      3.584546     9.343859
       ip66c81 |    5.456392    1.167083      7.93    0.000      3.587895     8.297962
       ip66c82 |    5.219725    1.110702      7.77    0.000      3.439703     7.920895
       ip66c83 |    4.767884     1.07246      6.94    0.000      3.068042      7.40952
       ip66c84 |    4.291778    1.310252      4.77    0.000      2.359234     7.807347
       ip66c85 |    4.697772    1.050984      6.92    0.000      3.030131     7.283203
       ip66c86 |    4.006818    .8475427      6.56    0.000      2.646971      6.06527
       ip66c87 |    4.174511    1.187712      5.02    0.000      2.390154      7.29097
       ip66c88 |    3.650519    .8084441      5.85    0.000      2.365089     5.634582
       ip66c89 |    2.983255    .7679686      4.25    0.000      1.801228     4.940969
       ip66c90 |    3.652676    .9873967      4.79    0.000       2.15037     6.204534
       ip66c91 |    3.248016    .8458469      4.52    0.000      1.949614     5.411126
       ip66c92 |    2.652024    .5288649      4.89    0.000      1.794037     3.920338
       ip66c93 |    3.155101    .8075672      4.49    0.000      1.910483     5.210549
       ip66c94 |    2.606463     .527475      4.73    0.000      1.753042      3.87535
       ip66c95 |    2.440067    .6032089      3.61    0.000       1.50306     3.961205
       ip66c96 |     2.39321    .4729533      4.42    0.000      1.624665     3.525313
       ip66c97 |    2.099242    .4645882      3.35    0.001      1.360445     3.239246
       ip66c98 |    2.048105    .4040219      3.63    0.000      1.391358     3.014849
       ip66c99 |    2.013345    .3852235      3.66    0.000      1.383736     2.929428
       ip67c80 |    6.038039    1.638352      6.63    0.000       3.54758     10.27684
       ip67c81 |     6.66972    1.653163      7.66    0.000      4.103251     10.84145
       ip67c82 |    6.456651    1.419426      8.48    0.000      4.196427     9.934246
       ip67c83 |    5.274298    1.212357      7.23    0.000      3.361293     8.276048
       ip67c84 |    5.671374    1.382732      7.12    0.000      3.516881     9.145741
       ip67c85 |    5.245357    1.379298      6.30    0.000      3.132899     8.782206
       ip67c86 |    4.698739    .9561795      7.60    0.000      3.153293     7.001617
       ip67c87 |     4.50483    .9355216      7.25    0.000      2.998532     6.767809
       ip67c88 |     3.80478    .8771266      5.80    0.000      2.421585     5.978049
       ip67c89 |    3.011407    .7503997      4.42    0.000       1.84783     4.907685
       ip67c90 |     3.58928    .6804334      6.74    0.000      2.475379     5.204426
       ip67c91 |    2.940917    .6813639      4.66    0.000      1.867552     4.631191
       ip67c92 |    3.131648     .705196      5.07    0.000      2.014171     4.869111
       ip67c93 |    3.233374    .6246371      6.07    0.000      2.214202      4.72166
       ip67c94 |    2.820535    .6414107      4.56    0.000      1.806183     4.404545
       ip67c95 |     2.49617    .5382458      4.24    0.000      1.635802     3.809059
       ip67c96 |    2.638241    .5500305      4.65    0.000      1.753286     3.969869
       ip67c97 |     2.29551    .4556548      4.19    0.000      1.555669     3.387203
       ip67c98 |    2.295124    .5203975      3.66    0.000      1.471649     3.579381
       ip67c99 |    2.147662    .4030935      4.07    0.000      1.486635     3.102612
       ip68c80 |    3.024181    .3654677      9.16    0.000      2.386389     3.832429
       ip68c81 |    2.941059    .3090433     10.27    0.000      2.393649     3.613658
       ip68c82 |    2.736751    .3177808      8.67    0.000      2.179702      3.43616
       ip68c83 |    2.924425     .393932      7.97    0.000      2.245847     3.808034
       ip68c84 |    2.519186    .3361192      6.92    0.000        1.9395     3.272131
       ip68c85 |    2.616034    .3619623      6.95    0.000      1.994658      3.43098
       ip68c86 |    2.132028    .2536169      6.36    0.000      1.688642     2.691833
       ip68c87 |    2.439056    .3609495      6.02    0.000      1.824965     3.259784
       ip68c88 |    2.306123     .279508      6.89    0.000      1.818506     2.924491
       ip68c89 |    1.974255     .216477      6.20    0.000      1.592462     2.447583
       ip68c90 |    2.051674    .2420039      6.09    0.000      1.628192     2.585302
       ip68c91 |    1.890331    .2166268      5.56    0.000      1.510054     2.366373
       ip68c92 |    1.669855     .248208      3.45    0.001      1.247831     2.234609
       ip68c93 |    1.896836    .1871744      6.49    0.000      1.563275     2.301568
       ip68c94 |    1.796146    .2671908      3.94    0.000      1.341896     2.404166
       ip68c95 |    1.447833    .2001986      2.68    0.007      1.104126     1.898532
       ip68c96 |     1.82457    .2443784      4.49    0.000      1.403307     2.372293
       ip68c97 |    1.649846    .2631078      3.14    0.002      1.206976     2.255215
       ip68c98 |    1.493495    .1946141      3.08    0.002      1.156872     1.928066
       ip68c99 |    1.278429    .1610877      1.95    0.051      .9986687     1.636559
       ip69c80 |    5.805469    .6783967     15.05    0.000      4.617111     7.299687
       ip69c81 |     4.63187    .5297926     13.40    0.000      3.701656     5.795844
       ip69c82 |    4.634431     .591492     12.02    0.000      3.608757      5.95162
       ip69c83 |    4.623956    .5108524     13.86    0.000      3.723689     5.741879
       ip69c84 |    3.965719     .534361     10.22    0.000      3.045277     5.164368
       ip69c85 |    4.396485    .5626776     11.57    0.000        3.4211     5.649959
       ip69c86 |    3.582568    .4913006      9.31    0.000      2.738191     4.687326
       ip69c87 |    4.184229    .4583806     13.07    0.000      3.375722     5.186379
       ip69c88 |     3.16193    .4130988      8.81    0.000      2.447625     4.084697
       ip69c89 |    3.075891    .4092592      8.44    0.000       2.36982     3.992332
       ip69c90 |    3.108041    .4003065      8.80    0.000      2.414652     4.000543
       ip69c91 |     2.51309    .3088971      7.50    0.000       1.97507     3.197671
       ip69c92 |    2.742852    .3386211      8.17    0.000      2.153359     3.493721
       ip69c93 |    2.619471     .348743      7.23    0.000       2.01785     3.400464
       ip69c94 |    2.179238    .2899182      5.86    0.000       1.67905      2.82843
       ip69c95 |    2.147582     .307703      5.33    0.000      1.621775     2.843865
       ip69c96 |    2.155825    .2595419      6.38    0.000      1.702694     2.729547
       ip69c97 |    1.694243    .3131929      2.85    0.004      1.179302     2.434033
       ip69c98 |    1.793926    .2011161      5.21    0.000      1.440047     2.234767
       ip69c99 |    1.700171    .3370993      2.68    0.007      1.152714      2.50763
       ip70c80 |    5.853531    .7067378     14.64    0.000      4.620047     7.416336
       ip70c81 |    5.281711    .6241077     14.08    0.000      4.189801     6.658187
       ip70c82 |    4.596487    .5763548     12.16    0.000      3.594957     5.877037
       ip70c83 |    4.738834    .5826278     12.65    0.000      3.724075     6.030101
       ip70c84 |    4.406783    .6131641     10.66    0.000      3.354939     5.788402
       ip70c85 |    4.664059    .5652064     12.71    0.000      3.678007     5.914465
       ip70c86 |    4.011098    .5115513     10.89    0.000      3.123965     5.150156
       ip70c87 |    4.195775    .5624559     10.70    0.000      3.226311     5.456552
       ip70c88 |    3.871252    .4678095     11.20    0.000      3.054855     4.905828
       ip70c89 |    3.766611    .5083604      9.83    0.000      2.891135     4.907193
       ip70c90 |    3.560044    .3979926     11.36    0.000      2.859538     4.432154
       ip70c91 |    3.097965    .4361345      8.03    0.000      2.350951     4.082343
       ip70c92 |    2.967383    .4796335      6.73    0.000       2.16167     4.073406
       ip70c93 |    2.879006    .3857269      7.89    0.000      2.214111     3.743569
       ip70c94 |    2.628004     .387731      6.55    0.000      1.968073     3.509221
       ip70c95 |    2.592857    .4435626      5.57    0.000      1.854226     3.625722
       ip70c96 |     2.35617    .3700529      5.46    0.000      1.731887     3.205485
       ip70c97 |    2.122527    .2646769      6.04    0.000        1.6623     2.710174
       ip70c98 |    1.826047    .2484784      4.43    0.000      1.398573     2.384179
       ip70c99 |    1.620306     .248493      3.15    0.002      1.199652     2.188461
       ip71c80 |    4.926672    .8380058      9.38    0.000      3.529945     6.876056
       ip71c81 |    4.345836    .6891603      9.26    0.000      3.184859     5.930023
       ip71c82 |    4.385267    .7559022      8.58    0.000      3.128036     6.147808
       ip71c83 |     4.29084    .6405044      9.76    0.000      3.202442     5.749145
       ip71c84 |    3.673226    .5133248      9.31    0.000       2.79315       4.8306
       ip71c85 |    3.962391    .5346614     10.20    0.000      3.041594     5.161945
       ip71c86 |      3.9527    .5874041      9.25    0.000      2.953917     5.289194
       ip71c87 |    3.357728    .4847327      8.39    0.000      2.530249     4.455822
       ip71c88 |    3.268048     .511793      7.56    0.000      2.404284     4.442126
       ip71c89 |    3.310713    .4219455      9.39    0.000      2.578915     4.250166
       ip71c90 |    3.255402    .4598149      8.36    0.000      2.468171     4.293724
       ip71c91 |    3.323698    .4219144      9.46    0.000      2.591606     4.262595
       ip71c92 |    2.558624    .3904155      6.16    0.000      1.897244      3.45056
       ip71c93 |    2.694181    .3411559      7.83    0.000      2.102043     3.453121
       ip71c94 |    2.226417    .2977801      5.98    0.000      1.713008       2.8937
       ip71c95 |     2.27328     .306378      6.09    0.000      1.745555      2.96055
       ip71c96 |    1.810069    .2069691      5.19    0.000      1.446659     2.264771
       ip71c97 |    1.876242    .2084628      5.66    0.000      1.509089     2.332721
       ip71c98 |     1.64287    .1974234      4.13    0.000      1.298119     2.079179
       ip71c99 |    1.456221    .1673271      3.27    0.001      1.162572     1.824041
       ip72c80 |     5.70225    .7972089     12.45    0.000       4.33554     7.499795
       ip72c81 |    5.439123    .7554876     12.19    0.000      4.142838     7.141011
       ip72c82 |    5.292609     .750327     11.75    0.000       4.00863     6.987851
       ip72c83 |    5.641612    .9265051     10.54    0.000      4.088961     7.783833
       ip72c84 |    5.232165    .7953625     10.89    0.000      3.884068     7.048164
       ip72c85 |    4.784254     .733896     10.20    0.000      3.541942     6.462298
       ip72c86 |    4.175446    .5864449     10.18    0.000      3.170669     5.498634
       ip72c87 |    3.807063    .5118416      9.94    0.000      2.925163     4.954845
       ip72c88 |    3.538882    .4843086      9.23    0.000      2.706301     4.627602
       ip72c89 |    3.484229     .452655      9.61    0.000      2.700987     4.494598
       ip72c90 |    3.186847    .4271896      8.65    0.000      2.450528     4.144412
       ip72c91 |    3.061708    .4168402      8.22    0.000      2.344638     3.998082
       ip72c92 |      2.9459    .3270944      9.73    0.000      2.369768     3.662099
       ip72c93 |    3.034021    .3890143      8.66    0.000      2.359824     3.900834
       ip72c94 |    2.855451    .3720542      8.05    0.000      2.211905     3.686234
       ip72c95 |      2.8888    .3974345      7.71    0.000      2.206029     3.782891
       ip72c96 |    2.487556    .2774121      8.17    0.000      1.999157     3.095272
       ip72c97 |    2.003719    .2700076      5.16    0.000      1.538631      2.60939
       ip72c98 |    1.870079      .22073      5.30    0.000      1.483852     2.356836
       ip72c99 |     2.08116    .3198498      4.77    0.000      1.539877     2.812711
       ip73c80 |    5.093836    .6417217     12.92    0.000      3.979335     6.520477
       ip73c81 |    4.777697    .6751171     11.07    0.000       3.62192     6.302291
       ip73c82 |    4.764788    .6134206     12.13    0.000      3.702198     6.132359
       ip73c83 |    4.817895    .5695438     13.30    0.000      3.821494     6.074093
       ip73c84 |    4.481256    .6037303     11.13    0.000      3.441303      5.83548
       ip73c85 |    4.059416    .5692978      9.99    0.000      3.083826      5.34364
       ip73c86 |    3.693313    .4854972      9.94    0.000      2.854454     4.778693
       ip73c87 |    3.873458    .4246973     12.35    0.000      3.124429     4.802054
       ip73c88 |    3.292288    .3972744      9.87    0.000      2.598872     4.170718
       ip73c89 |    3.255477    .4035706      9.52    0.000      2.553254     4.150833
       ip73c90 |    3.035287    .3364427     10.02    0.000      2.442583     3.771813
       ip73c91 |    2.751309    .3117877      8.93    0.000      2.203324     3.435583
       ip73c92 |    2.691479    .2729438      9.76    0.000       2.20633     3.283308
       ip73c93 |    2.619395    .2667053      9.46    0.000      2.145518     3.197937
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          jsfs |    1.017529    .0096871      1.83    0.068      .9987181     1.036693
          jsfp |    1.015894    .0082565      1.94    0.052      .9998402     1.032206
          jsfd |    1.018913    .0082558      2.31    0.021       1.00286     1.035223
           esf |    2.073039    .3597591      4.20    0.000      1.475327     2.912907
---------------+----------------------------------------------------------------
Wald chi2(377) =  1.3e+17                                Prob > chi2 =   0.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        700      4.6589    3.036557        .17      10.96

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        244    6.777008    2.947887        .17      10.96

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        535    7.113009    3.688187        .17      10.96

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |         96    .4640625    .2246615        .18       1.15

. * English;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eng;
(1,479 real changes made)

. replace es2 = es2_eng;
(96 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceng_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 28 groups (728 obs) dropped because of all zero outcomes
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -15997.098
Iteration 1:   log likelihood = -13948.549
Iteration 2:   log likelihood = -13820.953
Iteration 3:   log likelihood = -13816.356
Iteration 4:   log likelihood = -13814.223
Iteration 5:   log likelihood = -13813.638
Iteration 6:   log likelihood = -13813.613
Iteration 7:   log likelihood = -13813.613

Conditional fixed-effects Poisson regression    Number of obs     =     11,778
Group variable: volume                          Number of groups  =        453

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(377)    =    4039.46
Log likelihood  = -13813.613                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceng_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip66c80 |    .7078135    .2717955      2.60    0.009      .1751041     1.240523
       ip66c81 |    .9170712    .2663891      3.44    0.001      .3949581     1.439184
       ip66c82 |    .5525367    .2783083      1.99    0.047      .0070624     1.098011
       ip66c83 |     .760715    .2716526      2.80    0.005      .2282857     1.293144
       ip66c84 |    .8908858    .2679939      3.32    0.001      .3656273     1.416144
       ip66c85 |    .6647463    .2748084      2.42    0.016      .1261318     1.203361
       ip66c86 |    .6113688    .2763899      2.21    0.027      .0696546     1.153083
       ip66c87 |    .8258722    .2689485      3.07    0.002      .2987428     1.353002
       ip66c88 |    .7457997    .2706891      2.76    0.006      .2152587     1.276341
       ip66c89 |    .2137673    .2913928      0.73    0.463     -.3573522     .7848867
       ip66c90 |    .5390349    .2759359      1.95    0.051     -.0017896     1.079859
       ip66c91 |      .27331    .2862031      0.95    0.340     -.2876379     .8342578
       ip66c92 |    .3789835    .2798502      1.35    0.176     -.1695128     .9274798
       ip66c93 |    .3007236    .2818595      1.07    0.286     -.2517109     .8531581
       ip66c94 |    .2997867    .2801371      1.07    0.285     -.2492719     .8488452
       ip66c95 |    .3508222    .2757995      1.27    0.203      -.189735     .8913793
       ip66c96 |    .3274839      .27256      1.20    0.230     -.2067239     .8616917
       ip66c97 |    .0825446    .2854201      0.29    0.772     -.4768684     .6419577
       ip66c98 |    .2565468    .2718253      0.94    0.345      -.276221     .7893145
       ip66c99 |   -.0901084     .283234     -0.32    0.750     -.6452369     .4650201
       ip67c80 |    1.687807    .3276622      5.15    0.000      1.045601     2.330014
       ip67c81 |    1.475699    .3331089      4.43    0.000       .822818     2.128581
       ip67c82 |     1.41835    .3351819      4.23    0.000      .7614053     2.075294
       ip67c83 |    1.357722     .337313      4.03    0.000      .6966004     2.018843
       ip67c84 |    1.542176    .3328194      4.63    0.000      .8898621      2.19449
       ip67c85 |    1.567757    .3322123      4.72    0.000      .9166332     2.218881
       ip67c86 |    1.348869    .3377054      3.99    0.000      .6869786      2.01076
       ip67c87 |    1.315999    .3382149      3.89    0.000      .6531094     1.978888
       ip67c88 |    1.381972    .3355595      4.12    0.000      .7242875     2.039656
       ip67c89 |    1.150437    .3420429      3.36    0.001      .4800457     1.820829
       ip67c90 |    .9689733    .3479922      2.78    0.005      .2869211     1.651025
       ip67c91 |    .8152337      .35371      2.30    0.021      .1219749     1.508492
       ip67c92 |    .9185211    .3473998      2.64    0.008      .2376299     1.599412
       ip67c93 |    .5925787    .3627723      1.63    0.102     -.1184419     1.303599
       ip67c94 |    .8280485    .3481269      2.38    0.017      .1457323     1.510365
       ip67c95 |    .7595318    .3496337      2.17    0.030      .0742622     1.444801
       ip67c96 |    .7874637    .3443177      2.29    0.022      .1126133     1.462314
       ip67c97 |    .7248052    .3470178      2.09    0.037      .0446628     1.404948
       ip67c98 |    .6414771    .3484584      1.84    0.066     -.0414889     1.324443
       ip67c99 |     .542593    .3487448      1.56    0.120     -.1409342      1.22612
       ip68c80 |    1.427453    .2458217      5.81    0.000      .9456515     1.909255
       ip68c81 |    1.255632     .249452      5.03    0.000      .7667153     1.744549
       ip68c82 |    .8007971    .2609037      3.07    0.002      .2894352     1.312159
       ip68c83 |    1.097986    .2535438      4.33    0.000      .6010495     1.594923
       ip68c84 |    .9417693    .2575572      3.66    0.000      .4369664     1.446572
       ip68c85 |    1.061696    .2546077      4.17    0.000      .5626743     1.560718
       ip68c86 |    .9780257    .2565268      3.81    0.000      .4752423     1.480809
       ip68c87 |    .8407063    .2599664      3.23    0.001      .3311816     1.350231
       ip68c88 |    .6973176    .2639439      2.64    0.008      .1799971     1.214638
       ip68c89 |    .4182253    .2738199      1.53    0.127     -.1184519     .9549025
       ip68c90 |    .7024043    .2622452      2.68    0.007      .1884132     1.216395
       ip68c91 |    .0285339    .2917686      0.10    0.922     -.5433221     .6003899
       ip68c92 |    .5746734    .2645332      2.17    0.030      .0561978     1.093149
       ip68c93 |    .7744231    .2561686      3.02    0.003      .2723419     1.276504
       ip68c94 |    .6712184    .2580467      2.60    0.009      .1654561     1.176981
       ip68c95 |    .6148447    .2583586      2.38    0.017      .1084711     1.121218
       ip68c96 |    .6374794    .2534382      2.52    0.012      .1407497     1.134209
       ip68c97 |    .7876923    .2482564      3.17    0.002      .3011187     1.274266
       ip68c98 |    .4159846    .2590563      1.61    0.108     -.0917564     .9237256
       ip68c99 |    .3281062    .2559243      1.28    0.200     -.1734963     .8297086
       ip69c80 |    1.477104    .2458111      6.01    0.000      .9953234     1.958885
       ip69c81 |    1.284941    .2496397      5.15    0.000      .7956564     1.774226
       ip69c82 |    1.500226    .2463731      6.09    0.000      1.017343     1.983108
       ip69c83 |    1.415461    .2480522      5.71    0.000      .9292877     1.901635
       ip69c84 |    1.434443    .2479143      5.79    0.000      .9485403     1.920346
       ip69c85 |    1.295919    .2503874      5.18    0.000      .8051689      1.78667
       ip69c86 |    1.198579    .2521704      4.75    0.000      .7043342     1.692824
       ip69c87 |    1.066571    .2547598      4.19    0.000      .5672505     1.565891
       ip69c88 |    .8997981    .2584826      3.48    0.000      .3931816     1.406415
       ip69c89 |    1.081032    .2532348      4.27    0.000      .5847008     1.577363
       ip69c90 |     .733927     .261853      2.80    0.005      .2207045      1.24715
       ip69c91 |    .9034286    .2557852      3.53    0.000      .4020987     1.404758
       ip69c92 |    .8759935    .2553095      3.43    0.001      .3755961     1.376391
       ip69c93 |    .5141885    .2660541      1.93    0.053     -.0072679     1.035645
       ip69c94 |    .5758489    .2621839      2.20    0.028      .0619779      1.08972
       ip69c95 |    .7053939     .255898      2.76    0.006       .203843     1.206945
       ip69c96 |     .710664    .2517914      2.82    0.005       .217162     1.204166
       ip69c97 |    .6162159     .255116      2.42    0.016      .1161978     1.116234
       ip69c98 |    .4274459    .2595224      1.65    0.100     -.0812086     .9361004
       ip69c99 |    .5453363    .2481499      2.20    0.028      .0589715     1.031701
       ip70c80 |    1.247131    .2200444      5.67    0.000      .8158517      1.67841
       ip70c81 |    1.189303    .2214414      5.37    0.000      .7552857      1.62332
       ip70c82 |    1.075795    .2237239      4.81    0.000      .6373044     1.514286
       ip70c83 |    1.160483    .2228554      5.21    0.000      .7236944     1.597272
       ip70c84 |    .8997334    .2276476      3.95    0.000      .4535523     1.345915
       ip70c85 |     1.09688    .2243523      4.89    0.000      .6571575     1.536602
       ip70c86 |    .9370617    .2271497      4.13    0.000      .4918565     1.382267
       ip70c87 |    1.084659    .2243589      4.83    0.000      .6449238     1.524394
       ip70c88 |    .5526155    .2353236      2.35    0.019      .0913897     1.013841
       ip70c89 |    .5300827    .2353729      2.25    0.024      .0687603      .991405
       ip70c90 |    .7105282    .2299551      3.09    0.002      .2598244     1.161232
       ip70c91 |    .5972879     .231738      2.58    0.010      .1430898     1.051486
       ip70c92 |    .4402611    .2349321      1.87    0.061     -.0201972     .9007195
       ip70c93 |    .6696577    .2271052      2.95    0.003      .2245398     1.114776
       ip70c94 |    .5989311    .2272119      2.64    0.008      .1536039     1.044258
       ip70c95 |    .5088943    .2278142      2.23    0.025      .0623866      .955402
       ip70c96 |    .3516726    .2284255      1.54    0.124     -.0960331     .7993784
       ip70c97 |    .2980884    .2301149      1.30    0.195     -.1529285     .7491054
       ip70c98 |    .5379459    .2186122      2.46    0.014      .1094739      .966418
       ip70c99 |    .4429586    .2137975      2.07    0.038      .0239232      .861994
       ip71c80 |    1.465252    .2212761      6.62    0.000      1.031559     1.898946
       ip71c81 |    1.325793    .2233596      5.94    0.000      .8880161      1.76357
       ip71c82 |    1.236355    .2249642      5.50    0.000      .7954333     1.677277
       ip71c83 |    1.318268    .2240993      5.88    0.000      .8790415     1.757495
       ip71c84 |    1.278532    .2248998      5.68    0.000      .8377364     1.719327
       ip71c85 |    1.166908     .226748      5.15    0.000      .7224902     1.611326
       ip71c86 |    .8986299    .2316805      3.88    0.000      .4445444     1.352715
       ip71c87 |    1.020606    .2292267      4.45    0.000      .5713297     1.469882
       ip71c88 |    .9644377    .2300562      4.19    0.000      .5135358      1.41534
       ip71c89 |    .7020049    .2354781      2.98    0.003      .2404763     1.163533
       ip71c90 |     .657761    .2360431      2.79    0.005      .1951251     1.120397
       ip71c91 |    .7667554    .2325548      3.30    0.001      .3109564     1.222554
       ip71c92 |     .865484    .2293161      3.77    0.000      .4160327     1.314935
       ip71c93 |    .4479854    .2393741      1.87    0.061     -.0211792       .91715
       ip71c94 |    .7309802    .2299867      3.18    0.001      .2802146     1.181746
       ip71c95 |    .8541417    .2255039      3.79    0.000      .4121621     1.296121
       ip71c96 |    .7255853    .2248214      3.23    0.001      .2849434     1.166227
       ip71c97 |    .7946874    .2232231      3.56    0.000      .3571783     1.232197
       ip71c98 |    .5731797    .2260563      2.54    0.011      .1301175     1.016242
       ip71c99 |     .186266    .2333947      0.80    0.425     -.2711792     .6437111
       ip72c80 |     1.26583    .1982522      6.38    0.000      .8772625     1.654397
       ip72c81 |    1.066892     .200861      5.31    0.000      .6732119     1.460573
       ip72c82 |    1.036954      .20153      5.15    0.000      .6419629     1.431946
       ip72c83 |    1.109553    .2008223      5.53    0.000      .7159484     1.503157
       ip72c84 |    .9927022    .2026913      4.90    0.000      .5954346      1.38997
       ip72c85 |    .9108671    .2041283      4.46    0.000      .5107831     1.310951
       ip72c86 |     .841006    .2053674      4.10    0.000      .4384934     1.243519
       ip72c87 |    .8160448      .20576      3.97    0.000      .4127626     1.219327
       ip72c88 |    .7968747    .2059081      3.87    0.000      .3933023     1.200447
       ip72c89 |     .706416    .2072336      3.41    0.001      .3002456     1.112586
       ip72c90 |    .4923044    .2112941      2.33    0.020      .0781756     .9064333
       ip72c91 |    .3866037    .2131791      1.81    0.070     -.0312197     .8044271
       ip72c92 |    .3162867    .2141303      1.48    0.140     -.1034009     .7359743
       ip72c93 |    .4698412    .2089899      2.25    0.025      .0602284     .8794539
       ip72c94 |    .4804714    .2073912      2.32    0.021      .0739922     .8869506
       ip72c95 |     .500333    .2053672      2.44    0.015      .0978207     .9028454
       ip72c96 |    .5467543    .2003684      2.73    0.006      .1540394     .9394692
       ip72c97 |    .4348129    .2031494      2.14    0.032      .0366473     .8329785
       ip72c98 |    .3725094    .2008258      1.85    0.064     -.0211019     .7661208
       ip72c99 |    .2676055    .1967843      1.36    0.174     -.1180846     .6532956
       ip73c80 |    1.058263    .1913277      5.53    0.000      .6832675     1.433258
       ip73c81 |    .9926052    .1918716      5.17    0.000      .6165438     1.368667
       ip73c82 |    .9786894    .1919906      5.10    0.000      .6023947     1.354984
       ip73c83 |    .9063293    .1930018      4.70    0.000      .5280528     1.284606
       ip73c84 |    .8704133      .19362      4.50    0.000      .4909251     1.249901
       ip73c85 |    .8139585    .1945685      4.18    0.000      .4326112     1.195306
       ip73c86 |    .6329679    .1976243      3.20    0.001      .2456314     1.020304
       ip73c87 |    .6715391    .1969615      3.41    0.001      .2855016     1.057577
       ip73c88 |    .6401701    .1974128      3.24    0.001      .2532481     1.027092
       ip73c89 |     .449162    .2009081      2.24    0.025      .0553893     .8429346
       ip73c90 |    .5254446    .1989494      2.64    0.008       .135511     .9153783
       ip73c91 |    .6036243    .1968687      3.07    0.002      .2177688     .9894798
       ip73c92 |    .1698265    .2060479      0.82    0.410       -.23402      .573673
       ip73c93 |    .2370772    .2033306      1.17    0.244     -.1614435     .6355979
       ip73c94 |    .1946932    .2033567      0.96    0.338     -.2038785      .593265
       ip73c95 |    .0902551    .2050683      0.44    0.660     -.3116715     .4921817
       ip73c96 |    .3187274    .1948712      1.64    0.102     -.0632131     .7006679
       ip73c97 |    .2506201    .1971961      1.27    0.204     -.1358771     .6371173
       ip73c98 |    .2042076    .1949101      1.05    0.295     -.1778092     .5862244
       ip73c99 |     .065833    .1916016      0.34    0.731     -.3096992     .4413651
       ip74c80 |    1.328166       .1894      7.01    0.000      .9569484     1.699383
       ip74c81 |    1.113707    .1907414      5.84    0.000      .7398602     1.487553
       ip74c82 |    1.168075    .1895508      6.16    0.000       .796562     1.539587
       ip74c83 |    1.223057    .1885888      6.49    0.000      .8534298     1.592684
       ip74c84 |    1.131819    .1893807      5.98    0.000      .7606396     1.502998
       ip74c85 |     1.17859    .1887216      6.25    0.000      .8087026     1.548478
       ip74c86 |    .9187682    .1919128      4.79    0.000      .5426261      1.29491
       ip74c87 |    .9897424    .1908355      5.19    0.000      .6157118     1.363773
       ip74c88 |    .6695335    .1956781      3.42    0.001      .2860115     1.053055
       ip74c89 |    .6060927     .196633      3.08    0.002      .2206991     .9914864
       ip74c90 |     .585247    .1967013      2.98    0.003      .1997196     .9707745
       ip74c91 |    .6394477    .1951873      3.28    0.001      .2568876     1.022008
       ip74c92 |    .7113764    .1932366      3.68    0.000      .3326395     1.090113
       ip74c93 |    .5262242    .1959775      2.69    0.007      .1421153     .9103331
       ip74c94 |    .4940215    .1956759      2.52    0.012      .1105038     .8775391
       ip74c95 |    .5919353     .192462      3.08    0.002      .2147167     .9691538
       ip74c96 |    .6282091     .188184      3.34    0.001      .2593752      .997043
       ip74c97 |    .4796762     .191793      2.50    0.012      .1037688     .8555837
       ip74c98 |    .5444364    .1873414      2.91    0.004      .1772541     .9116188
       ip74c99 |    .0593279    .1938704      0.31    0.760     -.3206512     .4393069
       ip75c80 |    1.488102    .1987618      7.49    0.000      1.098536     1.877668
       ip75c81 |    1.448311    .1977655      7.32    0.000      1.060698     1.835925
       ip75c82 |    1.459955    .1966423      7.42    0.000      1.074543     1.845367
       ip75c83 |    1.442673     .196095      7.36    0.000      1.058334     1.827012
       ip75c84 |    1.246113    .1977945      6.30    0.000      .8584424     1.633783
       ip75c85 |    1.311278    .1966761      6.67    0.000      .9258003     1.696756
       ip75c86 |    1.172389     .198154      5.92    0.000      .7840141     1.560763
       ip75c87 |    1.092687    .1990502      5.49    0.000      .7025554     1.482818
       ip75c88 |    .9988887    .2002509      4.99    0.000      .6064042     1.391373
       ip75c89 |    .8517475    .2024799      4.21    0.000      .4548942     1.248601
       ip75c90 |    .8678499    .2018668      4.30    0.000      .4721982     1.263502
       ip75c91 |    .9455502    .2000941      4.73    0.000       .553373     1.337728
       ip75c92 |    .7238918    .2036372      3.55    0.000      .3247702     1.123013
       ip75c93 |    .6560117    .2043776      3.21    0.001      .2554389     1.056584
       ip75c94 |    .5722647     .205421      2.79    0.005      .1696469     .9748825
       ip75c95 |    .6283486    .2030999      3.09    0.002        .23028     1.026417
       ip75c96 |    .8283375    .1958665      4.23    0.000      .4444463     1.212229
       ip75c97 |    .6789263    .1993937      3.40    0.001      .2881218     1.069731
       ip75c98 |     .607474    .1983449      3.06    0.002      .2187251     .9962229
       ip75c99 |    .5645329    .1937893      2.91    0.004      .1847129     .9443528
       ip66c00 |    .2670564    .2532978      1.05    0.292     -.2293982      .763511
       ip66c01 |   -.0021965    .2607343     -0.01    0.993     -.5132263     .5088332
       ip66c02 |    .0148561    .2412887      0.06    0.951      -.458061     .4877732
       ip66c03 |    .0490229    .2346948      0.21    0.835     -.4109706     .5090163
       ip66c04 |    .1023393    .2246485      0.46    0.649     -.3379638     .5426423
       ip67c00 |    .6632605    .3348927      1.98    0.048      .0068829     1.319638
       ip67c01 |    .4019895    .3479335      1.16    0.248     -.2799475     1.083927
       ip67c02 |    .0759003    .3560201      0.21    0.831     -.6218863      .773687
       ip67c03 |    .2282903    .3387175      0.67    0.500     -.4355838     .8921645
       ip67c04 |    .0710808    .3447336      0.21    0.837     -.6045846     .7467462
       ip68c00 |     .387789     .245565      1.58    0.114     -.0935096     .8690876
       ip68c01 |    .1888711     .249472      0.76    0.449     -.3000852     .6778273
       ip68c02 |    .0936102    .2357973      0.40    0.691     -.3685441     .5557645
       ip68c03 |    .2703618     .221099      1.22    0.221     -.1629844     .7037079
       ip68c04 |     .227422    .2173019      1.05    0.295     -.1984819     .6533258
       ip69c00 |    .4544718    .2453917      1.85    0.064     -.0264871     .9354307
       ip69c01 |    .4446449    .2398919      1.85    0.064     -.0255345     .9148244
       ip69c02 |   -.2849882    .2665375     -1.07    0.285      -.807392     .2374156
       ip69c03 |   -.0118195    .2421061     -0.05    0.961     -.4863388     .4626998
       ip69c04 |   -.1389788    .2444745     -0.57    0.570       -.61814     .3401824
       ip70c00 |    .2281154    .2134762      1.07    0.285     -.1902903     .6465211
       ip70c01 |    .2276718    .2045565      1.11    0.266     -.1732515     .6285951
       ip70c02 |    .1061925    .1988109      0.53    0.593     -.2834698     .4958548
       ip70c03 |    .0495779    .1930788      0.26    0.797     -.3288496     .4280053
       ip70c04 |   -.1029623    .1940963     -0.53    0.596      -.483384     .2774595
       ip71c00 |    .5291094    .2130232      2.48    0.013      .1115915     .9466272
       ip71c01 |    .2642895    .2156716      1.23    0.220      -.158419      .686998
       ip71c02 |    .1674482    .2091496      0.80    0.423     -.2424774     .5773738
       ip71c03 |    .2400663    .1994233      1.20    0.229     -.1507963     .6309288
       ip71c04 |    .0206175    .2044084      0.10    0.920     -.3800156     .4212506
       ip72c00 |     .163649    .1923604      0.85    0.395     -.2133705     .5406685
       ip72c01 |    .1173857    .1855308      0.63    0.527     -.2462479     .4810193
       ip72c02 |    .1080666     .173544      0.62    0.533     -.2320734     .4482066
       ip72c03 |    .0528442     .168637      0.31    0.754     -.2776783     .3833666
       ip72c04 |   -.1573848     .171619     -0.92    0.359     -.4937518     .1789822
       ip73c00 |    .3088781    .1762839      1.75    0.080      -.036632     .6543882
       ip73c01 |    .1469186    .1719088      0.85    0.393     -.1900164     .4838537
       ip73c02 |    .0666435    .1613797      0.41    0.680      -.249655     .3829419
       ip73c03 |    .0975095    .1538371      0.63    0.526     -.2040056     .3990245
       ip73c04 |   -.0017895    .1512205     -0.01    0.991     -.2981763     .2945973
       ip74c00 |    .2815341    .1796154      1.57    0.117     -.0705056     .6335737
       ip74c01 |    .1299669    .1761101      0.74    0.461     -.2152025     .4751364
       ip74c02 |    -.211743    .1756478     -1.21    0.228     -.5560063     .1325204
       ip74c03 |    .1948078    .1529507      1.27    0.203       -.10497     .4945856
       ip74c04 |   -.1106434    .1582759     -0.70    0.485     -.4208586     .1995717
       ip75c00 |    .4582433    .1900165      2.41    0.016      .0858177     .8306688
       ip75c01 |    .4399612    .1833754      2.40    0.016       .080552     .7993704
       ip75c02 |    .2014577    .1783186      1.13    0.259     -.1480402     .5509557
       ip75c03 |    .1142671     .175525      0.65    0.515     -.2297555     .4582897
       ip75c04 |    .0287827    .1732284      0.17    0.868     -.3107388     .3683042
   ia1journal2 |   -.0374467    .0197548     -1.90    0.058     -.0761654     .0012721
   ia1journal3 |    -.015066    .0243167     -0.62    0.536     -.0627259      .032594
   ia1journal4 |   -.0823821    .0240683     -3.42    0.001     -.1295551    -.0352092
   ia1journal5 |   -.0071409    .0168118     -0.42    0.671     -.0400915     .0258096
   ia1journal6 |    .0266872    .0649622      0.41    0.681     -.1006364     .1540108
   ia1journal7 |     .051344    .0418948      1.23    0.220     -.0307683     .1334563
   ia1journal8 |   -.0293669    .0250345     -1.17    0.241     -.0784335     .0196998
   ia1journal9 |    .0071923    .0225717      0.32    0.750     -.0370474     .0514321
  ia1journal10 |    .0318529    .0434576      0.73    0.464     -.0533223     .1170282
  ia1journal11 |   -.0783913    .0290843     -2.70    0.007     -.1353954    -.0213871
  ia1journal12 |   -.0227142    .0686408     -0.33    0.741     -.1572477     .1118192
  ia1journal13 |   -.0031016    .0403653     -0.08    0.939     -.0822162      .076013
  ia1journal14 |    .0734612    .0387437      1.90    0.058     -.0024751     .1493975
  ia1journal15 |    -.048713    .0343944     -1.42    0.157     -.1161249     .0186988
  ia1journal16 |   -.1580363    .1193784     -1.32    0.186     -.3920136     .0759411
  ia1journal17 |    .0195496    .0340124      0.57    0.565     -.0471135     .0862127
  ia1journal18 |    -.084521    .0365758     -2.31    0.021     -.1562083    -.0128338
  ia1journal19 |    .0964399    .0429031      2.25    0.025      .0123513     .1805284
  ia1journal20 |    .0016833    .0222337      0.08    0.940      -.041894     .0452607
  ia1journal21 |    .0403631    .0787729      0.51    0.608     -.1140288     .1947551
  ia1journal22 |    .0385475    .2066706      0.19    0.852     -.3665194     .4436144
  ia1journal23 |   -.0095341     .058927     -0.16    0.871     -.1250289     .1059607
  ia1journal24 |    .0354695    .0251305      1.41    0.158     -.0137853     .0847243
  ia1journal25 |    .0700259    .0678025      1.03    0.302     -.0628646     .2029164
  ia1journal26 |   -.0100866    .0474336     -0.21    0.832     -.1030547     .0828815
  ia1journal27 |   -.0830206    .0393536     -2.11    0.035     -.1601522     -.005889
  ia1journal28 |    .0483428    .0446246      1.08    0.279     -.0391198     .1358054
  ia1journal29 |    .2121189    .0905089      2.34    0.019      .0347248     .3895131
  ia1journal30 |    .2273503    .0862371      2.64    0.008      .0583286     .3963719
  ia1journal31 |   -.2602371    .2244055     -1.16    0.246     -.7000639     .1795897
  ia1journal32 |   -.0664424    .0712548     -0.93    0.351     -.2060993     .0732145
  ia1journal33 |   -.1081037    .0521764     -2.07    0.038     -.2103675    -.0058398
  ia1journal34 |    .1614975    .0700914      2.30    0.021      .0241209     .2988742
  ia1journal35 |    .2423142    .0833338      2.91    0.004      .0789828     .4056455
  ia1journal36 |     12.9367    10.50477      1.23    0.218     -7.652262     33.52567
  ia1journal37 |    .0413329    .0326653      1.27    0.206     -.0226899     .1053556
  ia1journal38 |    .0624638    .0976385      0.64    0.522     -.1289041     .2538316
  ia1journal39 |    .0472987    .0578383      0.82    0.413     -.0660623     .1606597
  ia1journal40 |   -.0695607    .0547827     -1.27    0.204     -.1769327     .0378114
  ia1journal41 |   -.0103428    .0275912     -0.37    0.708     -.0644206      .043735
  ia1journal42 |   -.1285723    .0970801     -1.32    0.185     -.3188458     .0617013
  ia1journal43 |   -.1351624    .0552844     -2.44    0.014      -.243518    -.0268069
  ia1journal44 |    .0743069    .0380043      1.96    0.051     -.0001802      .148794
  ia1journal45 |    .1562844    .0632631      2.47    0.013      .0322909     .2802778
  ia1journal46 |    .0253479    .0375865      0.67    0.500     -.0483203      .099016
  ia1journal47 |    .0220352    .0299355      0.74    0.462     -.0366373     .0807077
  ia1journal48 |    .2432983    .0933036      2.61    0.009      .0604265       .42617
  ia1journal49 |    .0327694    .1183268      0.28    0.782     -.1991469     .2646857
  ia1journal50 |   -.0190453    .0638528     -0.30    0.765     -.1441944     .1061039
  ia1journal51 |    3.870138    2.510317      1.54    0.123     -1.049993     8.790268
  ia1journal52 |    .4500173    .3618928      1.24    0.214     -.2592795     1.159314
  ia1journal53 |    -.078983    .0850407     -0.93    0.353     -.2456596     .0876937
  ia1journal54 |    .0608044    .1393355      0.44    0.663     -.2122881     .3338968
  ia1journal55 |       .0278    .0710438      0.39    0.696     -.1114432     .1670432
  ia1journal56 |   -.1606265    .0978946     -1.64    0.101     -.3524965     .0312435
  ia1journal57 |    .0701429    .0379945      1.85    0.065      -.004325     .1446108
  ia1journal58 |    .0340806    .0933595      0.37    0.715     -.1489006     .2170618
  ia1journal59 |    .0119565    .0732992      0.16    0.870     -.1317073     .1556204
   ia2journal2 |    .0005769    .0004823      1.20    0.232     -.0003683     .0015222
   ia2journal3 |    .0005938    .0005608      1.06    0.290     -.0005053     .0016929
   ia2journal4 |    .0012192    .0005915      2.06    0.039      .0000598     .0023785
   ia2journal5 |    .0001921     .000409      0.47    0.639     -.0006096     .0009937
   ia2journal6 |   -.0017417    .0016778     -1.04    0.299     -.0050302     .0015468
   ia2journal7 |   -.0008208    .0010264     -0.80    0.424     -.0028326     .0011909
   ia2journal8 |    .0007523    .0006314      1.19    0.233     -.0004852     .0019899
   ia2journal9 |   -.0008534    .0005622     -1.52    0.129     -.0019554     .0002486
  ia2journal10 |   -.0015404    .0011645     -1.32    0.186     -.0038228      .000742
  ia2journal11 |    .0020261    .0007036      2.88    0.004      .0006472     .0034051
  ia2journal12 |   -.0008058    .0018531     -0.43    0.664     -.0044378     .0028263
  ia2journal13 |    .0001363    .0009245      0.15    0.883     -.0016758     .0019484
  ia2journal14 |   -.0021088    .0010117     -2.08    0.037     -.0040918    -.0001258
  ia2journal15 |    .0005029    .0008602      0.58    0.559      -.001183     .0021888
  ia2journal16 |    .0010407    .0035981      0.29    0.772     -.0060116     .0080929
  ia2journal17 |      .00003    .0008889      0.03    0.973     -.0017123     .0017722
  ia2journal18 |    .0007994    .0009525      0.84    0.401     -.0010674     .0026662
  ia2journal19 |   -.0020367     .001148     -1.77    0.076     -.0042868     .0002134
  ia2journal20 |    .0002535    .0005645      0.45    0.653      -.000853       .00136
  ia2journal21 |    .0007811     .001836      0.43    0.671     -.0028173     .0043796
  ia2journal22 |   -.0079832    .0071933     -1.11    0.267     -.0220817     .0061154
  ia2journal23 |    .0011387    .0014106      0.81    0.420      -.001626     .0039034
  ia2journal24 |   -.0004207     .000642     -0.66    0.512      -.001679     .0008377
  ia2journal25 |   -.0018389    .0019916     -0.92    0.356     -.0057423     .0020645
  ia2journal26 |     .000303    .0012165      0.25    0.803     -.0020814     .0026874
  ia2journal27 |    .0014642    .0009892      1.48    0.139     -.0004746      .003403
  ia2journal28 |   -.0017006    .0011371     -1.50    0.135     -.0039292      .000528
  ia2journal29 |   -.0043752     .002216     -1.97    0.048     -.0087184    -.0000319
  ia2journal30 |   -.0051189    .0022493     -2.28    0.023     -.0095275    -.0007104
  ia2journal31 |    .0060014    .0047638      1.26    0.208     -.0033355     .0153382
  ia2journal32 |    .0016709    .0021127      0.79    0.429     -.0024699     .0058117
  ia2journal33 |    .0028089    .0014132      1.99    0.047       .000039     .0055788
  ia2journal34 |   -.0039318    .0018115     -2.17    0.030     -.0074822    -.0003814
  ia2journal35 |   -.0061219    .0022127     -2.77    0.006     -.0104587    -.0017852
  ia2journal36 |   -.3135893    .2547345     -1.23    0.218     -.8128598     .1856811
  ia2journal37 |   -.0002222    .0008021     -0.28    0.782     -.0017942     .0013499
  ia2journal38 |   -.0020208    .0025342     -0.80    0.425     -.0069877     .0029461
  ia2journal39 |   -.0012179    .0014583     -0.84    0.404     -.0040761     .0016403
  ia2journal40 |    .0013705    .0014022      0.98    0.328     -.0013777     .0041187
  ia2journal41 |    .0004963    .0007402      0.67    0.503     -.0009544      .001947
  ia2journal42 |    .0028435    .0029355      0.97    0.333     -.0029099     .0085969
  ia2journal43 |    .0030124     .001532      1.97    0.049      9.83e-06      .006015
  ia2journal44 |   -.0009593    .0009283     -1.03    0.301     -.0027788     .0008601
  ia2journal45 |   -.0036005     .001626     -2.21    0.027     -.0067875    -.0004136
  ia2journal46 |    .0003639    .0009416      0.39    0.699     -.0014816     .0022094
  ia2journal47 |   -.0003708    .0007564     -0.49    0.624     -.0018533     .0011118
  ia2journal48 |   -.0048825    .0022497     -2.17    0.030     -.0092919    -.0004732
  ia2journal49 |   -.0032406    .0038413     -0.84    0.399     -.0107694     .0042882
  ia2journal50 |   -.0010708     .001678     -0.64    0.523     -.0043595     .0022179
  ia2journal51 |   -.1384202    .0871552     -1.59    0.112     -.3092413      .032401
  ia2journal52 |    -.013622    .0110203     -1.24    0.216     -.0352213     .0079774
  ia2journal53 |    .0007882     .002274      0.35    0.729     -.0036688     .0052451
  ia2journal54 |   -.0051546    .0049642     -1.04    0.299     -.0148842      .004575
  ia2journal55 |   -.0011169    .0017247     -0.65    0.517     -.0044972     .0022634
  ia2journal56 |    .0031207    .0025909      1.20    0.228     -.0019572     .0081987
  ia2journal57 |   -.0031751    .0010425     -3.05    0.002     -.0052184    -.0011318
  ia2journal58 |   -.0008646    .0022718     -0.38    0.703     -.0053173      .003588
  ia2journal59 |    -.001072    .0019642     -0.55    0.585     -.0049217     .0027777
          op00 |   -.1013957    .0985111     -1.03    0.303     -.2944739     .0916825
          os00 |    .0969112    .1151317      0.84    0.400     -.1287427     .3225652
          oh00 |   -.0554758    .1593729     -0.35    0.728      -.367841     .2568894
          om00 |   -.0127443    .1884818     -0.07    0.946     -.3821619     .3566733
          jp95 |    .0297147    .0649643      0.46    0.647     -.0976131     .1570424
          jp00 |    .0384835    .0923296      0.42    0.677     -.1424792     .2194461
          ep00 |   -.1833542     .222848     -0.82    0.411     -.6201283     .2534199
          jsfs |    .0744737    .0911865      0.82    0.414     -.1042486     .2531959
          jsfp |    .1569959    .0979627      1.60    0.109     -.0350075     .3489992
          jsfd |    .1881146    .0879403      2.14    0.032      .0157548     .3604744
           esf |    .1383562    .2383193      0.58    0.562     -.3287411     .6054534
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceng_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceng_sing_auth |
       ip66c80 |    2.029549    .6489913      2.21    0.027      1.084451       3.7983
       ip66c81 |    2.501952    1.129036      2.03    0.042      1.033151     6.058903
       ip66c82 |    1.737655    .5570107      1.72    0.085      .9270612     3.257008
       ip66c83 |    2.139806    .7203846      2.26    0.024      1.106139     4.139414
       ip66c84 |    2.437288     1.01676      2.14    0.033         1.076      5.52079
       ip66c85 |    1.943997    .8343957      1.55    0.121      .8381967     4.508638
       ip66c86 |    1.842952    .8256602      1.36    0.172      .7658923     4.434662
       ip66c87 |    2.283872    .9037925      2.09    0.037      1.051544     4.960394
       ip66c88 |    2.108127    1.042147      1.51    0.131      .8000317     5.555027
       ip66c89 |    1.238334    .3885006      0.68    0.496      .6695637     2.290256
       ip66c90 |    1.714351    .7193752      1.28    0.199      .7532153      3.90194
       ip66c91 |    1.314308    .4673881      0.77    0.442       .654631     2.638745
       ip66c92 |    1.460799    .5553839      1.00    0.319      .6933788     3.077587
       ip66c93 |    1.350836    .5041833      0.81    0.420      .6499827     2.807394
       ip66c94 |    1.349571      .47729      0.85    0.397      .6747755     2.699182
       ip66c95 |    1.420235    .4813631      1.04    0.301      .7309045     2.759686
       ip66c96 |    1.387473    .5010904      0.91    0.365      .6836127      2.81604
       ip66c97 |    1.086047    .3462202      0.26    0.796      .5814263     2.028629
       ip66c98 |    1.292459    .4851525      0.68    0.494      .6192984     2.697328
       ip66c99 |    .9138322    .3551854     -0.23    0.817      .4266032     1.957531
       ip67c80 |    5.407611    2.031835      4.49    0.000      2.589275     11.29361
       ip67c81 |    4.374094    1.870025      3.45    0.001      1.892257     10.11105
       ip67c82 |    4.130299    1.731537      3.38    0.001      1.816075     9.393536
       ip67c83 |    3.887327    1.906728      2.77    0.006      1.486408     10.16633
       ip67c84 |    4.674752    1.930911      3.73    0.000      2.080506     10.50384
       ip67c85 |     4.79588    1.951467      3.85    0.000      2.160281     10.64698
       ip67c86 |    3.853066    1.605028      3.24    0.001      1.703064     8.717297
       ip67c87 |    3.728472    1.594053      3.08    0.002      1.612918     8.618854
       ip67c88 |    3.982748    1.451017      3.79    0.000      1.950151      8.13387
       ip67c89 |    3.159575    1.127583      3.22    0.001      1.569832     6.359221
       ip67c90 |    2.635237    .8827652      2.89    0.004      1.366721     5.081121
       ip67c91 |    2.259704    .8272471      2.23    0.026      1.102651     4.630895
       ip67c92 |    2.505582    1.049731      2.19    0.028       1.10228     5.695415
       ip67c93 |    1.808646    .7407958      1.45    0.148      .8104265     4.036395
       ip67c94 |    2.288848    .9548652      1.98    0.047      1.010442     5.184687
       ip67c95 |    2.137275    .6309323      2.57    0.010      1.198346     3.811875
       ip67c96 |    2.197815    .6878039      2.52    0.012      1.190169     4.058577
       ip67c97 |    2.064329    .5159145      2.90    0.004      1.264875     3.369071
       ip67c98 |    1.899284     .534465      2.28    0.023      1.094105     3.297015
       ip67c99 |    1.720462    .5935738      1.57    0.116      .8749305     3.383115
       ip68c80 |     4.16807    1.080431      5.51    0.000      2.507782     6.927559
       ip68c81 |    3.510057    .8975803      4.91    0.000      2.126413     5.794029
       ip68c82 |    2.227316    .5239767      3.40    0.001      1.404547     3.532053
       ip68c83 |    2.998122     .763225      4.31    0.000      1.820376     4.937848
       ip68c84 |    2.564515    .7279577      3.32    0.001      1.470229     4.473274
       ip68c85 |    2.891271     .850055      3.61    0.000       1.62491     5.144561
       ip68c86 |    2.659201    .6475102      4.02    0.000      1.650005     4.285654
       ip68c87 |    2.318004    .6549557      2.98    0.003      1.332311     4.032947
       ip68c88 |    2.008358     .493841      2.84    0.005      1.240329     3.251963
       ip68c89 |    1.519263    .4108055      1.55    0.122      .8942724     2.581048
       ip68c90 |      2.0186    .5745093      2.47    0.014      1.155558     3.526216
       ip68c91 |    1.028945    .3392933      0.09    0.931      .5391498     1.963698
       ip68c92 |     1.77655    .4838662      2.11    0.035      1.041698     3.029794
       ip68c93 |     2.16934    .4950036      3.39    0.001      1.387072     3.392784
       ip68c94 |     1.95662    .6033034      2.18    0.029      1.069171     3.580681
       ip68c95 |    1.849369    .4810141      2.36    0.018      1.110783     3.079059
       ip68c96 |    1.891707     .545169      2.21    0.027      1.075343     3.327827
       ip68c97 |    2.198317    .5372823      3.22    0.001      1.361606     3.549191
       ip68c98 |    1.515863    .5104232      1.24    0.217      .7835056     2.932767
       ip68c99 |    1.388336    .3671074      1.24    0.215      .8268331     2.331157
       ip69c80 |    4.380243     1.32702      4.88    0.000      2.418921     7.931853
       ip69c81 |    3.614456    1.112587      4.17    0.000      1.977104     6.607792
       ip69c82 |      4.4827    1.175823      5.72    0.000      2.680819     7.495695
       ip69c83 |    4.118385    1.069966      5.45    0.000      2.475044     6.852848
       ip69c84 |    4.197308    1.233563      4.88    0.000      2.359435     7.466785
       ip69c85 |    3.654354    1.041825      4.55    0.000      2.089971     6.389706
       ip69c86 |    3.315402    .8149114      4.88    0.000      2.047928     5.367324
       ip69c87 |    2.905398    .9175092      3.38    0.001      1.564591     5.395237
       ip69c88 |    2.459107    .9381952      2.36    0.018      1.164201     5.194296
       ip69c89 |     2.94772    .8555698      3.72    0.000      1.668886     5.206499
       ip69c90 |    2.083246     .648311      2.36    0.018      1.131995     3.833861
       ip69c91 |     2.46805    .6399054      3.48    0.000      1.484767     4.102512
       ip69c92 |     2.40126    .7623003      2.76    0.006      1.288896     4.473632
       ip69c93 |    1.672281    .5494591      1.56    0.118      .8782762     3.184105
       ip69c94 |     1.77864    .6416304      1.60    0.110      .8770487     3.607051
       ip69c95 |    2.024644    .5991711      2.38    0.017      1.133561       3.6162
       ip69c96 |    2.035342    .5640979      2.56    0.010      1.182295     3.503879
       ip69c97 |    1.851907    .5788668      1.97    0.049      1.003579     3.417328
       ip69c98 |    1.533336    .5496086      1.19    0.233       .759509     3.095579
       ip69c99 |    1.725188    .4790754      1.96    0.050      1.001066     2.973107
       ip70c80 |    3.480343    1.096699      3.96    0.000      1.876713     6.454256
       ip70c81 |    3.284791    .9529217      4.10    0.000      1.860258     5.800191
       ip70c82 |    2.932324     .959615      3.29    0.001      1.544019     5.568922
       ip70c83 |    3.191474     .981768      3.77    0.000      1.746397     5.832299
       ip70c84 |    2.458948    .7929853      2.79    0.005       1.30691     4.626505
       ip70c85 |    2.994807    .8637436      3.80    0.000      1.701652     5.270686
       ip70c86 |    2.552471    .8026498      2.98    0.003      1.378136     4.727478
       ip70c87 |    2.958431    .8928858      3.59    0.000      1.637419     5.345189
       ip70c88 |    1.737792     .544139      1.76    0.078      .9407384     3.210161
       ip70c89 |    1.699073    .5462085      1.65    0.099      .9048414     3.190447
       ip70c90 |    2.035066    .5900909      2.45    0.014      1.152823     3.592479
       ip70c91 |    1.817184    .5587842      1.94    0.052      .9946133     3.320041
       ip70c92 |    1.553113    .5281885      1.29    0.195      .7974861     3.024704
       ip70c93 |    1.953569    .5579273      2.34    0.019      1.116171     3.419217
       ip70c94 |    1.820172    .4677704      2.33    0.020      1.099918     3.012068
       ip70c95 |    1.663451    .4702307      1.80    0.072      .9558485     2.894882
       ip70c96 |    1.421443    .3457307      1.45    0.148      .8824617     2.289618
       ip70c97 |    1.347281    .4030004      1.00    0.319      .7496278     2.421423
       ip70c98 |    1.712486    .4763383      1.93    0.053      .9927961     2.953887
       ip70c99 |    1.557308    .4319458      1.60    0.110      .9042307     2.682067
       ip71c80 |    4.328635    1.060795      5.98    0.000      2.677637     6.997619
       ip71c81 |    3.765169    .8237967      6.06    0.000      2.452148     5.781258
       ip71c82 |    3.443041    .8986417      4.74    0.000      2.064318     5.742589
       ip71c83 |    3.736943    .8561487      5.75    0.000      2.385079     5.855045
       ip71c84 |    3.591363    .8146769      5.64    0.000      2.302343     5.602073
       ip71c85 |    3.212046    .7203363      5.20    0.000       2.06962      4.98509
       ip71c86 |    2.456236     .605278      3.65    0.000      1.515349     3.981323
       ip71c87 |    2.774876    .6717274      4.22    0.000      1.726589     4.459621
       ip71c88 |    2.623312    .6659848      3.80    0.000      1.594975     4.314654
       ip71c89 |    2.017794    .5259563      2.69    0.007      1.210608     3.363181
       ip71c90 |    1.930465    .4445907      2.86    0.004      1.229216     3.031766
       ip71c91 |     2.15277     .547069      3.02    0.003       1.30824     3.542483
       ip71c92 |    2.376156    .5833157      3.53    0.000      1.468642     3.844448
       ip71c93 |    1.565156    .4009849      1.75    0.080      .9472925     2.586015
       ip71c94 |    2.077116    .4620315      3.29    0.001      1.343137     3.212189
       ip71c95 |    2.349357    .4936297      4.07    0.000      1.556327     3.546478
       ip71c96 |     2.06594    .5471443      2.74    0.006      1.229377     3.471764
       ip71c97 |    2.213749    .5087291      3.46    0.001      1.410973     3.473267
       ip71c98 |    1.773899    .3923313      2.59    0.010      1.149925     2.736454
       ip71c99 |    1.204743    .3048741      0.74    0.462      .7336481     1.978339
       ip72c80 |    3.546034    .9170961      4.89    0.000      2.135994     5.886886
       ip72c81 |    2.906333    .6589421      4.71    0.000      1.863613     4.532472
       ip72c82 |    2.820614    .7371712      3.97    0.000      1.689977     4.707673
       ip72c83 |    3.033002    .6251155      5.38    0.000      2.025052     4.542649
       ip72c84 |    2.698517    .6080205      4.41    0.000      1.735143     4.196768
       ip72c85 |    2.486478    .5931106      3.82    0.000      1.557915     3.968491
       ip72c86 |    2.318698    .5781649      3.37    0.001      1.422323     3.779988
       ip72c87 |    2.261537    .5194686      3.55    0.000      1.441734     3.547499
       ip72c88 |    2.218596    .5250422      3.37    0.001      1.395202     3.527926
       ip72c89 |    2.026714    .4691681      3.05    0.002      1.287497     3.190354
       ip72c90 |    1.636082    .4180922      1.93    0.054      .9914824      2.69976
       ip72c91 |    1.471973    .3488842      1.63    0.103      .9250171      2.34234
       ip72c92 |    1.372024    .2789679      1.56    0.120      .9210649     2.043774
       ip72c93 |     1.59974    .3273759      2.30    0.022      1.071166     2.389142
       ip72c94 |    1.616836    .3807995      2.04    0.041      1.019037     2.565324
       ip72c95 |     1.64927     .368919      2.24    0.025      1.063873     2.556783
       ip72c96 |    1.727637    .3715308      2.54    0.011      1.133444     2.633325
       ip72c97 |    1.544674    .2796539      2.40    0.016      1.083258     2.202631
       ip72c98 |    1.451372    .2771335      1.95    0.051      .9982639     2.110145
       ip72c99 |    1.306832    .2456327      1.42    0.155      .9041226     1.888913
       ip73c80 |    2.881361    .7190245      4.24    0.000      1.766794     4.699043
       ip73c81 |    2.698255    .6299554      4.25    0.000      1.707477     4.263939
       ip73c82 |    2.660967    .6031722      4.32    0.000      1.706452     4.149395
       ip73c83 |     2.47522    .5643514      3.98    0.000      1.583213     3.869797
       ip73c84 |    2.387898    .5357027      3.88    0.000      1.538355     3.706593
       ip73c85 |    2.256824    .5632445      3.26    0.001      1.383757     3.680742
       ip73c86 |    1.883191    .5350653      2.23    0.026      1.079059     3.286576
       ip73c87 |    1.957247    .4813039      2.73    0.006      1.208726     3.169301
       ip73c88 |    1.896803    .4670981      2.60    0.009      1.170602     3.073515
       ip73c89 |    1.566998    .4350191      1.62    0.106      .9094189     2.700058
       ip73c90 |    1.691211    .3507459      2.53    0.011      1.126326     2.539401
       ip73c91 |    1.828735    .4987911      2.21    0.027      1.071479     3.121172
       ip73c92 |    1.185099    .2878087      0.70    0.484      .7362666     1.907543
       ip73c93 |    1.267539    .2821128      1.07    0.287      .8194296     1.960699
       ip73c94 |    1.214938    .2125252      1.11    0.266      .8622957     1.711797
       ip73c95 |    1.094453    .2461093      0.40    0.688       .704349     1.700618
       ip73c96 |    1.375376     .272373      1.61    0.108      .9329399     2.027633
       ip73c97 |    1.284822    .2855058      1.13    0.259      .8311775     1.986059
       ip73c98 |    1.226553    .2842797      0.88    0.378      .7787574     1.931836
       ip73c99 |    1.068048    .1717777      0.41    0.682      .7792725     1.463836
       ip74c80 |    3.774114    .9687435      5.17    0.000      2.282063     6.241691
       ip74c81 |    3.045626    .8172893      4.15    0.000      1.799939     5.153417
       ip74c82 |    3.215795     .813059      4.62    0.000       1.95919     5.278374
       ip74c83 |    3.397558    .9026067      4.60    0.000      2.018524     5.718735
       ip74c84 |    3.101292    .7758026      4.52    0.000      1.899375     5.063778
       ip74c85 |    3.249789     .867939      4.41    0.000      1.925396     5.485172
       ip74c86 |    2.506201    .7638651      3.01    0.003      1.379044     4.554636
       ip74c87 |    2.690541    .6857571      3.88    0.000      1.632631     4.433956
       ip74c88 |    1.953326    .5066889      2.58    0.010      1.174829     3.247691
       ip74c89 |    1.833254    .4916954      2.26    0.024      1.083734     3.101149
       ip74c90 |    1.795434    .4560473      2.30    0.021      1.091343     2.953779
       ip74c91 |    1.895434    .5043789      2.40    0.016      1.125128     3.193119
       ip74c92 |    2.036793    .5815459      2.49    0.013      1.163889     3.564366
       ip74c93 |     1.69253    .4957607      1.80    0.072      .9532567     3.005126
       ip74c94 |    1.638894    .4765599      1.70    0.089      .9269092     2.897773
       ip74c95 |    1.807483    .3903362      2.74    0.006      1.183729     2.759917
       ip74c96 |    1.874251    .4555978      2.58    0.010      1.163899     3.018145
       ip74c97 |    1.615551    .4066311      1.91    0.057      .9864497     2.645858
       ip74c98 |    1.723637    .4505634      2.08    0.037      1.032617     2.877081
       ip74c99 |    1.061123    .2532432      0.25    0.804      .6646937     1.693987
       ip75c80 |    4.428682    1.123674      5.86    0.000      2.693407     7.281937
       ip75c81 |    4.255921    1.188476      5.19    0.000      2.462031      7.35688
       ip75c82 |    4.305765     1.24048      5.07    0.000      2.448057     7.573197
       ip75c83 |    4.231991    1.194995      5.11    0.000      2.433265     7.360379
       ip75c84 |    3.476801    .9712089      4.46    0.000      2.010969     6.011105
       ip75c85 |    3.710914    1.014267      4.80    0.000      2.171854     6.340613
       ip75c86 |    3.229698    .8588551      4.41    0.000      1.917816     5.438975
       ip75c87 |    2.982275    .8276666      3.94    0.000      1.731071     5.137839
       ip75c88 |    2.715263    .7383208      3.67    0.000      1.593519     4.626647
       ip75c89 |    2.343739    .5551931      3.60    0.000       1.47324     3.728592
       ip75c90 |    2.381784    .6774054      3.05    0.002      1.363991     4.159043
       ip75c91 |    2.574229    .6987529      3.48    0.000      1.512153     4.382266
       ip75c92 |    2.062444    .4810272      3.10    0.002      1.305735     3.257687
       ip75c93 |    1.927091     .501137      2.52    0.012      1.157574     3.208159
       ip75c94 |    1.772276    .5313063      1.91    0.056      .9848085     3.189415
       ip75c95 |    1.874512    .4661082      2.53    0.012      1.151416     3.051718
       ip75c96 |    2.289509    .5916335      3.21    0.001      1.379694     3.799285
       ip75c97 |    1.971759    .5418493      2.47    0.013       1.15064     3.378846
       ip75c98 |    1.835788    .4871071      2.29    0.022      1.091353     3.088019
       ip75c99 |    1.758626    .3644632      2.72    0.006      1.171569      2.63985
       ip66c00 |    1.306114    .4024773      0.87    0.386      .7139775     2.389339
       ip66c01 |    .9978059    .2993705     -0.01    0.994       .554193     1.796516
       ip66c02 |    1.014967     .306776      0.05    0.961      .5612733     1.835395
       ip66c03 |    1.050244     .235995      0.22    0.827       .676116     1.631396
       ip66c04 |    1.107759    .2491613      0.45    0.649      .7128365     1.721475
       ip67c00 |    1.941111    .6927055      1.86    0.063      .9644735     3.906703
       ip67c01 |    1.494796    .3640427      1.65    0.099      .9274278     2.409259
       ip67c02 |    1.078855    .4289672      0.19    0.849       .494896     2.351864
       ip67c03 |     1.25645     .397751      0.72    0.471      .6755891     2.336726
       ip67c04 |    1.073668    .1702114      0.45    0.654      .7869131     1.464918
       ip68c00 |    1.473719    .3326459      1.72    0.086      .9468529     2.293753
       ip68c01 |    1.207885    .3133498      0.73    0.467      .7264518     2.008374
       ip68c02 |    1.098132    .3334467      0.31    0.758      .6056027     1.991228
       ip68c03 |    1.310438     .260613      1.36    0.174      .8874302     1.935081
       ip68c04 |     1.25536    .3244051      0.88    0.379      .7564912     2.083207
       ip69c00 |    1.575341    .3869301      1.85    0.064      .9734312     2.549435
       ip69c01 |    1.559936    .4121289      1.68    0.092      .9294431     2.618128
       ip69c02 |    .7520231    .1504077     -1.42    0.154      .5081447     1.112948
       ip69c03 |    .9882501    .2772069     -0.04    0.966      .5702988     1.712503
       ip69c04 |    .8702465    .2488344     -0.49    0.627      .4968823     1.524162
       ip70c00 |     1.25623    .2810399      1.02    0.308      .8102912     1.947589
       ip70c01 |    1.255673    .3347744      0.85    0.393       .744626     2.117459
       ip70c02 |    1.112036    .2124052      0.56    0.578      .7647764     1.616974
       ip70c03 |    1.050827     .160652      0.32    0.746      .7787507     1.417961
       ip70c04 |     .902161    .1613037     -0.58    0.565      .6354652     1.280785
       ip71c00 |     1.69742    .3700431      2.43    0.015      1.107196      2.60228
       ip71c01 |    1.302505    .2490307      1.38    0.167      .8954373     1.894627
       ip71c02 |    1.182284    .2598376      0.76    0.446      .7685076     1.818844
       ip71c03 |    1.271333    .2540265      1.20    0.230      .8593695     1.880784
       ip71c04 |    1.020832    .1763666      0.12    0.905      .7276023     1.432234
       ip72c00 |    1.177801    .1714188      1.12    0.261      .8854964     1.566596
       ip72c01 |    1.124553     .202799      0.65    0.515       .789726      1.60134
       ip72c02 |    1.114122    .2008763      0.60    0.549       .782458      1.58637
       ip72c03 |    1.054265    .1366774      0.41    0.684      .8177079     1.359257
       ip72c04 |    .8543752      .11669     -1.15    0.249      .6537206     1.116619
       ip73c00 |    1.361896    .2166127      1.94    0.052      .9971455     1.860071
       ip73c01 |     1.15826    .1745774      0.97    0.330      .8620045     1.556332
       ip73c02 |    1.068914    .1587202      0.45    0.654      .7990065     1.429998
       ip73c03 |    1.102422     .165876      0.65    0.517      .8208649     1.480553
       ip73c04 |    .9982121    .1255131     -0.01    0.989      .7801795     1.277177
       ip74c00 |    1.325161     .348947      1.07    0.285      .7909093     2.220295
       ip74c01 |    1.138791    .3040827      0.49    0.626      .6747673     1.921913
       ip74c02 |    .8091727    .1589893     -1.08    0.281      .5505463     1.189292
       ip74c03 |    1.215077    .1526055      1.55    0.121      .9499457     1.554208
       ip74c04 |    .8952579      .14883     -0.67    0.506       .646312     1.240093
       ip75c00 |    1.581294    .2617939      2.77    0.006      1.143116     2.187433
       ip75c01 |    1.552647    .3088949      2.21    0.027      1.051304     2.293068
       ip75c02 |    1.223185    .2124442      1.16    0.246      .8702705     1.719213
       ip75c03 |    1.121051    .2260651      0.57    0.571      .7550521     1.664463
       ip75c04 |    1.029201    .1740434      0.17    0.865       .738852     1.433649
   ia1journal2 |    .9632458     .004925     -7.32    0.000      .9536412     .9729471
   ia1journal3 |     .985047    .0101961     -1.46    0.146      .9652643     1.005235
   ia1journal4 |      .92092    .0047899    -15.84    0.000      .9115796      .930356
   ia1journal5 |    .9928845    .0049827     -1.42    0.155      .9831666     1.002699
   ia1journal6 |    1.027046    .0051679      5.30    0.000      1.016967     1.037225
   ia1journal7 |    1.052685    .0076441      7.07    0.000      1.037809     1.067774
   ia1journal8 |    .9710602    .0041421     -6.88    0.000      .9629756     .9792125
   ia1journal9 |    1.007218    .0032337      2.24    0.025        1.0009     1.013576
  ia1journal10 |    1.032366    .0082979      3.96    0.000       1.01623     1.048758
  ia1journal11 |    .9246026    .0042933    -16.88    0.000      .9162261     .9330556
  ia1journal12 |    .9775418    .0061188     -3.63    0.000      .9656224     .9896083
  ia1journal13 |    .9969032     .008345     -0.37    0.711      .9806809     1.013394
  ia1journal14 |    1.076227    .0066885     11.82    0.000      1.063197     1.089416
  ia1journal15 |    .9524544    .0045286    -10.25    0.000      .9436198     .9613718
  ia1journal16 |    .8538188    .0074511    -18.11    0.000      .8393392     .8685482
  ia1journal17 |    1.019742    .0068147      2.93    0.003      1.006472     1.033186
  ia1journal18 |    .9189523    .0051515    -15.08    0.000      .9089109     .9291047
  ia1journal19 |    1.101243    .0163976      6.48    0.000      1.069569     1.133856
  ia1journal20 |    1.001685    .0076227      0.22    0.825      .9868554     1.016737
  ia1journal21 |    1.041189    .0081359      5.17    0.000      1.025364     1.057258
  ia1journal22 |      1.0393    .0113219      3.54    0.000      1.017345     1.061729
  ia1journal23 |    .9905112    .0070227     -1.34    0.179      .9768422     1.004371
  ia1journal24 |    1.036106    .0111327      3.30    0.001      1.014514     1.058157
  ia1journal25 |    1.072536    .0188354      3.99    0.000      1.036247     1.110095
  ia1journal26 |    .9899641    .0077759     -1.28    0.199      .9748404     1.005322
  ia1journal27 |    .9203322     .006722    -11.37    0.000      .9072512     .9336017
  ia1journal28 |     1.04953    .0073375      6.91    0.000      1.035247     1.064011
  ia1journal29 |    1.236295    .0163179     16.07    0.000      1.204722     1.268695
  ia1journal30 |    1.255269    .0179809     15.87    0.000      1.220518     1.291011
  ia1journal31 |    .7708688    .0152694    -13.14    0.000      .7415148     .8013848
  ia1journal32 |    .9357168    .0163952     -3.79    0.000      .9041282      .968409
  ia1journal33 |    .8975346    .0139451     -6.96    0.000      .8706146     .9252869
  ia1journal34 |     1.17527    .0186514     10.18    0.000      1.139276       1.2124
  ia1journal35 |    1.274194    .0208285     14.82    0.000      1.234018     1.315678
  ia1journal36 |    415278.3    174454.8     30.79    0.000      182287.5     946066.4
  ia1journal37 |    1.042199    .0106528      4.04    0.000      1.021528     1.063289
  ia1journal38 |    1.064456    .0121717      5.46    0.000      1.040865     1.088581
  ia1journal39 |    1.048435    .0116959      4.24    0.000       1.02576     1.071611
  ia1journal40 |    .9328036    .0137401     -4.72    0.000      .9062584     .9601262
  ia1journal41 |    .9897105     .014192     -0.72    0.471       .962282     1.017921
  ia1journal42 |      .87935    .0162175     -6.97    0.000       .848132     .9117172
  ia1journal43 |     .873574    .0117148    -10.08    0.000      .8509126     .8968389
  ia1journal44 |    1.077137    .0103797      7.71    0.000      1.056984     1.097675
  ia1journal45 |    1.169159    .0116777     15.65    0.000      1.146493     1.192272
  ia1journal46 |    1.025672    .0090752      2.86    0.004      1.008038     1.043614
  ia1journal47 |     1.02228    .0107002      2.11    0.035      1.001521     1.043468
  ia1journal48 |    1.275449    .0201695     15.39    0.000      1.236524       1.3156
  ia1journal49 |    1.033312    .0159124      2.13    0.033       1.00259     1.064976
  ia1journal50 |    .9811349      .00892     -2.09    0.036      .9638069     .9987745
  ia1journal51 |    47.94898    4.026813     46.08    0.000       40.6719     56.52809
  ia1journal52 |    1.568339    .0305258     23.12    0.000      1.509637     1.629325
  ia1journal53 |    .9240557    .0100993     -7.23    0.000       .904472     .9440634
  ia1journal54 |    1.062691    .0205472      3.14    0.002      1.023173     1.103735
  ia1journal55 |     1.02819     .010541      2.71    0.007      1.007736     1.049059
  ia1journal56 |    .8516101    .0134197    -10.19    0.000      .8257101     .8783225
  ia1journal57 |    1.072661    .0098424      7.64    0.000      1.053543     1.092127
  ia1journal58 |    1.034668    .0090239      3.91    0.000      1.017132     1.052507
  ia1journal59 |    1.012028    .0135609      0.89    0.372      .9857953     1.038959
   ia2journal2 |    1.000577    .0001496      3.86    0.000      1.000284      1.00087
   ia2journal3 |    1.000594     .000285      2.08    0.037      1.000035     1.001153
   ia2journal4 |     1.00122    .0001779      6.86    0.000      1.000871     1.001569
   ia2journal5 |    1.000192    .0001544      1.24    0.213      .9998896     1.000495
   ia2journal6 |    .9982598    .0001559    -11.15    0.000      .9979542     .9985655
   ia2journal7 |    .9991795    .0002309     -3.55    0.000       .998727     .9996322
   ia2journal8 |    1.000753    .0001468      5.13    0.000      1.000465      1.00104
   ia2journal9 |     .999147    .0001178     -7.24    0.000       .998916     .9993779
  ia2journal10 |    .9984608    .0002307     -6.67    0.000      .9980087      .998913
  ia2journal11 |    1.002028    .0001674     12.13    0.000        1.0017     1.002356
  ia2journal12 |    .9991945    .0002049     -3.93    0.000      .9987931     .9995962
  ia2journal13 |    1.000136    .0002616      0.52    0.602      .9996237     1.000649
  ia2journal14 |    .9978935    .0002138     -9.84    0.000      .9974746     .9983125
  ia2journal15 |    1.000503     .000181      2.78    0.005      1.000148     1.000858
  ia2journal16 |    1.001041    .0002707      3.85    0.000      1.000511     1.001572
  ia2journal17 |     1.00003     .000231      0.13    0.897      .9995773     1.000483
  ia2journal18 |      1.0008    .0001872      4.27    0.000      1.000433     1.001167
  ia2journal19 |    .9979654    .0005388     -3.77    0.000      .9969099      .999022
  ia2journal20 |    1.000254    .0002852      0.89    0.374      .9996947     1.000813
  ia2journal21 |    1.000781    .0002795      2.80    0.005      1.000234     1.001329
  ia2journal22 |    .9920486    .0003643    -21.74    0.000      .9913348     .9927629
  ia2journal23 |    1.001139    .0002539      4.49    0.000      1.000642     1.001637
  ia2journal24 |    .9995794    .0003735     -1.13    0.260      .9988476     1.000312
  ia2journal25 |    .9981628    .0006319     -2.90    0.004      .9969252      .999402
  ia2journal26 |    1.000303    .0002808      1.08    0.281      .9997527     1.000854
  ia2journal27 |    1.001465    .0002639      5.56    0.000      1.000948     1.001983
  ia2journal28 |    .9983008    .0002542     -6.68    0.000      .9978028     .9987991
  ia2journal29 |    .9956344    .0004441     -9.81    0.000      .9947643     .9965052
  ia2journal30 |    .9948941    .0004829    -10.55    0.000      .9939481     .9958411
  ia2journal31 |    1.006019    .0005928     10.18    0.000      1.004858     1.007182
  ia2journal32 |    1.001672    .0006478      2.58    0.010      1.000404     1.002943
  ia2journal33 |    1.002813      .00055      5.12    0.000      1.001735     1.003891
  ia2journal34 |    .9960759    .0005302     -7.39    0.000      .9950373     .9971156
  ia2journal35 |    .9938968    .0005374    -11.32    0.000       .992844     .9949506
  ia2journal36 |    .7308191    .0075089    -30.52    0.000      .7162491     .7456854
  ia2journal37 |    .9997778    .0003783     -0.59    0.557      .9990366      1.00052
  ia2journal38 |    .9979812     .000415     -4.86    0.000      .9971681      .998795
  ia2journal39 |    .9987828    .0003923     -3.10    0.002      .9980143     .9995519
  ia2journal40 |    1.001371    .0004649      2.95    0.003      1.000461     1.002283
  ia2journal41 |    1.000496      .00049      1.01    0.311      .9995365     1.001457
  ia2journal42 |    1.002848    .0006886      4.14    0.000      1.001499     1.004198
  ia2journal43 |    1.003017    .0004782      6.32    0.000       1.00208     1.003955
  ia2journal44 |    .9990411    .0003547     -2.70    0.007      .9983462     .9997366
  ia2journal45 |    .9964059    .0003657     -9.81    0.000      .9956895     .9971229
  ia2journal46 |    1.000364    .0003239      1.12    0.261      .9997294     1.000999
  ia2journal47 |    .9996293    .0003734     -0.99    0.321      .9988976     1.000362
  ia2journal48 |    .9951294    .0004755    -10.22    0.000      .9941979     .9960617
  ia2journal49 |    .9967647    .0005544     -5.83    0.000      .9956787     .9978518
  ia2journal50 |    .9989298    .0003145     -3.40    0.001      .9983136     .9995464
  ia2journal51 |    .8707327    .0026569    -45.36    0.000      .8655409     .8759557
  ia2journal52 |    .9864704    .0006385    -21.04    0.000      .9852197     .9877227
  ia2journal53 |    1.000788    .0004001      1.97    0.049      1.000005     1.001573
  ia2journal54 |    .9948586    .0007189     -7.13    0.000      .9934506     .9962687
  ia2journal55 |    .9988837    .0003616     -3.09    0.002      .9981753     .9995926
  ia2journal56 |    1.003126    .0005425      5.77    0.000      1.002063     1.004189
  ia2journal57 |    .9968299    .0003309     -9.56    0.000      .9961816     .9974787
  ia2journal58 |    .9991357    .0003222     -2.68    0.007      .9985043     .9997675
  ia2journal59 |    .9989286     .000461     -2.32    0.020      .9980255     .9998324
          op00 |    .9035754    .1085262     -0.84    0.399      .7140501     1.143405
          os00 |    1.101763    .1266601      0.84    0.399      .8794938     1.380204
          oh00 |    .9460349     .165829     -0.32    0.752      .6709673     1.333868
          om00 |    .9873366    .1285781     -0.10    0.922      .7649193     1.274427
          jp95 |    1.030161     .112295      0.27    0.785      .8319894     1.275534
          jp00 |    1.039234    .1351002      0.30    0.767      .8054843     1.340816
          ep00 |    .8324732    .2159921     -0.71    0.480      .5006325     1.384272
          jsfs |    1.077317    .1188149      0.68    0.500      .8678933     1.337275
          jsfp |    1.169991    .1638638      1.12    0.262      .8891332     1.539565
          jsfd |    1.206972    .1304151      1.74    0.082      .9766154     1.491663
           esf |    1.148385    .2734944      0.58    0.561      .7200602     1.831496
---------------+----------------------------------------------------------------
Wald chi2(377) = -8.0e+17                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        700       .6023    .4735538        .01       1.76

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        244    .9985656    .4682223        .04       1.76

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        535    1.100467    .5405573        .04       1.76

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |         96    .7391667    .3256788        .43       1.87

. * Europe;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eur;
(1,479 real changes made)

. replace es2 = es2_eur;
(96 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceur_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 63 groups (1638 obs) dropped because of all zero outcomes
note: ia1journal36 dropped because of collinearity
note: ia2journal36 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -11270.599
Iteration 1:   log likelihood = -10751.546
Iteration 2:   log likelihood = -10738.474
Iteration 3:   log likelihood = -10737.758
Iteration 4:   log likelihood = -10737.573
Iteration 5:   log likelihood = -10737.532
Iteration 6:   log likelihood = -10737.523
Iteration 7:   log likelihood = -10737.521
Iteration 8:   log likelihood =  -10737.52
Iteration 9:   log likelihood =  -10737.52
Iteration 10:  log likelihood =  -10737.52

Conditional fixed-effects Poisson regression    Number of obs     =     10,868
Group variable: volume                          Number of groups  =        418

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(375)    =    1031.23
Log likelihood  =  -10737.52                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceur_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip66c80 |    .1035257    .3028618      0.34    0.732     -.4900725     .6971239
       ip66c81 |    .3018747    .2945534      1.02    0.305     -.2754393     .8791887
       ip66c82 |    .3558557     .292987      1.21    0.225     -.2183884     .9300997
       ip66c83 |   -.0451843     .312945     -0.14    0.885     -.6585453     .5681767
       ip66c84 |    .1816285    .3014766      0.60    0.547     -.4092547     .7725117
       ip66c85 |     .366865    .2934665      1.25    0.211     -.2083187     .9420487
       ip66c86 |   -.5354233    .3478893     -1.54    0.124     -1.217274     .1464272
       ip66c87 |    .2703931    .2971497      0.91    0.363     -.3120097     .8527958
       ip66c88 |    .0992292    .3047929      0.33    0.745      -.498154     .6966123
       ip66c89 |    .2169411    .2982954      0.73    0.467     -.3677072     .8015894
       ip66c90 |    .0337806    .3065586      0.11    0.912     -.5670632     .6346243
       ip66c91 |   -.1501685    .3161961     -0.47    0.635     -.7699014     .4695645
       ip66c92 |    .2661215    .2924531      0.91    0.363      -.307076      .839319
       ip66c93 |    .2362022    .2921973      0.81    0.419     -.3364939     .8088983
       ip66c94 |    .0223768    .3012319      0.07    0.941     -.5680269     .6127804
       ip66c95 |   -.3880893    .3261764     -1.19    0.234     -1.027383     .2512047
       ip66c96 |    .0469183    .2986056      0.16    0.875     -.5383379     .6321744
       ip66c97 |   -.0643666     .299859     -0.21    0.830     -.6520794     .5233461
       ip66c98 |   -.1071088    .3000483     -0.36    0.721     -.6951927     .4809751
       ip66c99 |    -.040375    .2935431     -0.14    0.891     -.6157089     .5349588
       ip67c80 |    .6657245    .3600159      1.85    0.064     -.0398938     1.371343
       ip67c81 |    .3350388    .3799782      0.88    0.378     -.4097047     1.079782
       ip67c82 |    .6026779    .3650449      1.65    0.099      -.112797     1.318153
       ip67c83 |    .6074688    .3654781      1.66    0.096     -.1088551     1.323793
       ip67c84 |    .8501939    .3544244      2.40    0.016      .1555349     1.544853
       ip67c85 |    .8540613    .3545214      2.41    0.016      .1592121     1.548911
       ip67c86 |    .0690246    .4024594      0.17    0.864     -.7197813     .8578305
       ip67c87 |    .4084796    .3777511      1.08    0.280      -.331899     1.148858
       ip67c88 |    .0055258    .4075746      0.01    0.989     -.7933057     .8043574
       ip67c89 |    .4595905    .3736186      1.23    0.219     -.2726885      1.19187
       ip67c90 |    .0091892    .4060207      0.02    0.982     -.7865968     .8049752
       ip67c91 |    .5493071    .3663605      1.50    0.134     -.1687463     1.267361
       ip67c92 |    .2622191    .3835219      0.68    0.494     -.4894699     1.013908
       ip67c93 |    .7041083    .3550896      1.98    0.047      .0081455     1.400071
       ip67c94 |    .5068868    .3640989      1.39    0.164      -.206734     1.220508
       ip67c95 |    .2606309    .3784881      0.69    0.491     -.4811921     1.002454
       ip67c96 |    .6093286    .3550629      1.72    0.086     -.0865818     1.305239
       ip67c97 |    .2563478    .3744728      0.68    0.494     -.4776053      .990301
       ip67c98 |    .4091552    .3614222      1.13    0.258     -.2992192      1.11753
       ip67c99 |    .4596652     .355868      1.29    0.196     -.2378233     1.157154
       ip68c80 |    .4452995    .2778356      1.60    0.109     -.0992482     .9898473
       ip68c81 |   -.0079882    .2988715     -0.03    0.979     -.5937657     .5777893
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  ia1journal17 |    -.049642     .039456     -1.26    0.208     -.1269744     .0276904
  ia1journal18 |   -.1735779    .0782162     -2.22    0.026     -.3268787     -.020277
  ia1journal19 |    .0125855    .0618974      0.20    0.839     -.1087311     .1339021
  ia1journal20 |    .0081332    .0309769      0.26    0.793     -.0525805     .0688468
  ia1journal21 |   -.0586512    .1080421     -0.54    0.587     -.2704097     .1531073
  ia1journal22 |    .0250097    .1728463      0.14    0.885     -.3137629     .3637822
  ia1journal23 |   -.0276081     .087034     -0.32    0.751     -.1981917     .1429754
  ia1journal24 |    .0609263    .0247886      2.46    0.014      .0123415     .1095112
  ia1journal25 |    .0264505     .080076      0.33    0.741     -.1304955     .1833965
  ia1journal26 |    .0812859     .086904      0.94    0.350     -.0890428     .2516146
  ia1journal27 |   -.1944303    .0685284     -2.84    0.005     -.3287436     -.060117
  ia1journal28 |    .0334512    .0750039      0.45    0.656     -.1135538     .1804563
  ia1journal29 |   -.0607941     .283882     -0.21    0.830     -.6171925     .4956043
  ia1journal30 |    .1027509    .1062457      0.97    0.333     -.1054868     .3109885
  ia1journal31 |   -26.01923    2582.626     -0.01    0.992     -5087.872     5035.834
  ia1journal32 |    .0867617    .0866424      1.00    0.317     -.0830544     .2565777
  ia1journal33 |    .3983529    .1968868      2.02    0.043      .0124618     .7842439
  ia1journal34 |   -.1338014    .0707734     -1.89    0.059     -.2725147      .004912
  ia1journal35 |   -.0656226    .2099672     -0.31    0.755     -.4771508     .3459056
  ia1journal37 |    .0262067     .048664      0.54    0.590     -.0691729     .1215864
  ia1journal38 |   -.0251388    .1040912     -0.24    0.809     -.2291538     .1788762
  ia1journal39 |    -.011739    .0899808     -0.13    0.896      -.188098     .1646201
  ia1journal40 |     .130265    .2044885      0.64    0.524      -.270525      .531055
  ia1journal41 |    .0226445    .0280973      0.81    0.420     -.0324253     .0777142
  ia1journal42 |    .4871583    .1803605      2.70    0.007      .1336583     .8406584
  ia1journal43 |    .0222397    .0785844      0.28    0.777     -.1317828     .1762622
  ia1journal44 |    .1746298     .054378      3.21    0.001      .0680508     .2812088
  ia1journal45 |    .1624149    .1271987      1.28    0.202     -.0868899     .4117197
  ia1journal46 |   -.0997874    .0525113     -1.90    0.057     -.2027076     .0031329
  ia1journal47 |    -.067533    .0365614     -1.85    0.065     -.1391919      .004126
  ia1journal48 |   -.0928988    .1008556     -0.92    0.357     -.2905722     .1047746
  ia1journal49 |   -.2010999    .1186477     -1.69    0.090     -.4336451     .0314453
  ia1journal50 |    .0695035    .1083306      0.64    0.521     -.1428205     .2818276
  ia1journal51 |   -23.66316    1314.306     -0.02    0.986     -2599.655     2552.329
  ia1journal52 |    1.339084     1.39007      0.96    0.335     -1.385404     4.063571
  ia1journal53 |   -.0111271    .2257669     -0.05    0.961      -.453622     .4313678
  ia1journal54 |   -.1850508    .1619589     -1.14    0.253     -.5024845     .1323828
  ia1journal55 |   -.0263712    .0590296     -0.45    0.655     -.1420671     .0893247
  ia1journal56 |   -.1909893    .1476381     -1.29    0.196     -.4803546      .098376
  ia1journal57 |   -.0071403    .0650961     -0.11    0.913     -.1347263     .1204457
  ia1journal58 |   -.0524994    .1685866     -0.31    0.755      -.382923     .2779242
  ia1journal59 |    .0472098    .0574138      0.82    0.411     -.0653193     .1597389
   ia2journal2 |    .0004183    .0004994      0.84    0.402     -.0005606     .0013972
   ia2journal3 |     .000675    .0006201      1.09    0.276     -.0005404     .0018904
   ia2journal4 |    .0002779    .0006926      0.40    0.688     -.0010795     .0016353
   ia2journal5 |    .0003173    .0004769      0.67    0.506     -.0006174     .0012521
   ia2journal6 |   -.0029181    .0025998     -1.12    0.262     -.0080136     .0021775
   ia2journal7 |   -.0002106    .0014812     -0.14    0.887     -.0031137     .0026924
   ia2journal8 |    .0008276    .0008965      0.92    0.356     -.0009295     .0025846
   ia2journal9 |   -.0004086    .0005515     -0.74    0.459     -.0014895     .0006724
  ia2journal10 |    -.001123    .0012874     -0.87    0.383     -.0036461     .0014002
  ia2journal11 |    1.28e-06    .0008787      0.00    0.999      -.001721     .0017236
  ia2journal12 |   -.0021389    .0016971     -1.26    0.208     -.0054651     .0011873
  ia2journal13 |    .0006108    .0010543      0.58    0.562     -.0014556     .0026772
  ia2journal14 |   -.0036592    .0025629     -1.43    0.153     -.0086823      .001364
  ia2journal15 |   -.0008882    .0010872     -0.82    0.414     -.0030191     .0012427
  ia2journal16 |     .000169     .004216      0.04    0.968     -.0080942     .0084321
  ia2journal17 |    .0017357    .0009935      1.75    0.081     -.0002114     .0036829
  ia2journal18 |    .0030711    .0018725      1.64    0.101     -.0005991     .0067412
  ia2journal19 |    .0000232    .0015519      0.01    0.988     -.0030184     .0030648
  ia2journal20 |   -.0001716    .0007336     -0.23    0.815     -.0016094     .0012661
  ia2journal21 |    .0012035    .0024567      0.49    0.624     -.0036115     .0060186
  ia2journal22 |   -.0008262    .0039257     -0.21    0.833     -.0085205      .006868
  ia2journal23 |    .0007703    .0019141      0.40    0.687     -.0029813     .0045219
  ia2journal24 |   -.0016389    .0006044     -2.71    0.007     -.0028235    -.0004543
  ia2journal25 |   -.0004921    .0021369     -0.23    0.818     -.0046804     .0036961
  ia2journal26 |   -.0009737      .00202     -0.48    0.630     -.0049327     .0029854
  ia2journal27 |    .0031811    .0016826      1.89    0.059     -.0001168     .0064789
  ia2journal28 |   -.0007304    .0017864     -0.41    0.683     -.0042317      .002771
  ia2journal29 |     .002212    .0065793      0.34    0.737     -.0106832     .0151072
  ia2journal30 |   -.0019364     .002575     -0.75    0.452     -.0069833     .0031106
  ia2journal31 |    .5613734     59.8543      0.01    0.993     -116.7509     117.8736
  ia2journal32 |   -.0023926    .0023941     -1.00    0.318      -.007085     .0022999
  ia2journal33 |   -.0099349    .0048919     -2.03    0.042     -.0195229     -.000347
  ia2journal34 |    .0020005    .0017565      1.14    0.255     -.0014422     .0054431
  ia2journal35 |    .0023834    .0048043      0.50    0.620      -.007033     .0117997
  ia2journal37 |    .0005359    .0010996      0.49    0.626     -.0016192     .0026911
  ia2journal38 |    .0003787    .0025061      0.15    0.880     -.0045332     .0052905
  ia2journal39 |    .0013703    .0020157      0.68    0.497     -.0025803      .005321
  ia2journal40 |   -.0027106    .0048129     -0.56    0.573     -.0121437     .0067225
  ia2journal41 |   -.0003381    .0007244     -0.47    0.641     -.0017578     .0010817
  ia2journal42 |   -.0118894    .0046686     -2.55    0.011     -.0210398     -.002739
  ia2journal43 |   -.0018862     .002122     -0.89    0.374     -.0060452     .0022729
  ia2journal44 |   -.0025445    .0012499     -2.04    0.042     -.0049944    -.0000947
  ia2journal45 |   -.0025534    .0030968     -0.82    0.410      -.008623     .0035161
  ia2journal46 |    .0012192    .0013005      0.94    0.349     -.0013297      .003768
  ia2journal47 |     .001447    .0009081      1.59    0.111      -.000333     .0032269
  ia2journal48 |    .0013178     .002478      0.53    0.595     -.0035391     .0061747
  ia2journal49 |    .0047233    .0033379      1.42    0.157     -.0018188     .0112655
  ia2journal50 |   -.0018028    .0024504     -0.74    0.462     -.0066055     .0029999
  ia2journal51 |    .5341791    31.42668      0.02    0.986     -61.06099     62.12935
  ia2journal52 |   -.0285785    .0309373     -0.92    0.356     -.0892146     .0320576
  ia2journal53 |   -.0039854    .0066777     -0.60    0.551     -.0170735     .0091027
  ia2journal54 |    .0032623     .004983      0.65    0.513     -.0065042     .0130288
  ia2journal55 |   -.0006726    .0014781     -0.46    0.649     -.0035697     .0022244
  ia2journal56 |    .0048825    .0034419      1.42    0.156     -.0018635     .0116284
  ia2journal57 |   -.0001505    .0015661     -0.10    0.923     -.0032199      .002919
  ia2journal58 |    .0015628    .0038782      0.40    0.687     -.0060383     .0091639
  ia2journal59 |    -.000788    .0014211     -0.55    0.579     -.0035733     .0019973
          op00 |    .0347564    .0854099      0.41    0.684     -.1326439     .2021568
          os00 |    .2100782    .1084678      1.94    0.053     -.0025148     .4226713
          oh00 |    .1564211     .144346      1.08    0.279      -.126492     .4393341
          om00 |    .6049628    .1989101      3.04    0.002      .2151061     .9948195
          jp95 |   -.0479713    .0666627     -0.72    0.472     -.1786279     .0826852
          jp00 |   -.0152091     .086739     -0.18    0.861     -.1852144     .1547962
          ep00 |    .0450705    .1583991      0.28    0.776     -.2653859     .3555269
          jsfs |    .0313497    .0741009      0.42    0.672     -.1138855     .1765849
          jsfp |   -.0213079    .0694326     -0.31    0.759     -.1573933     .1147776
          jsfd |    .0136524    .0626912      0.22    0.828     -.1092202     .1365249
           esf |   -.0782403      .44519     -0.18    0.860     -.9507966      .794316
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceur_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceur_sing_auth |
       ip66c80 |    1.109074    .4732464      0.24    0.808      .4805621     2.559598
       ip66c81 |    1.352392    .4812679      0.85    0.396      .6732716     2.716531
       ip66c82 |    1.427402    .5609065      0.91    0.365      .6607864      3.08341
       ip66c83 |    .9558213    .3652692     -0.12    0.906      .4519477      2.02146
       ip66c84 |    1.199169    .5264616      0.41    0.679      .5072054     2.835154
       ip66c85 |    1.443203      .53746      0.99    0.325      .6955581      2.99448
       ip66c86 |    .5854214    .2429092     -1.29    0.197      .2595847     1.320256
       ip66c87 |    1.310479    .5838612      0.61    0.544      .5472582      3.13811
       ip66c88 |    1.104319     .500849      0.22    0.827      .4539874     2.686244
       ip66c89 |    1.242271    .6018468      0.45    0.654      .4806535     3.210706
       ip66c90 |    1.034358    .4798492      0.07    0.942      .4166674     2.567745
       ip66c91 |     .860563    .3343751     -0.39    0.699      .4018324     1.842979
       ip66c92 |    1.304894    .4641931      0.75    0.454       .649793     2.620446
       ip66c93 |     1.26643    .4579311      0.65    0.514      .6234385     2.572581
       ip66c94 |    1.022629    .3575289      0.06    0.949      .5153748     2.029145
       ip66c95 |    .6783518    .2277438     -1.16    0.248      .3513016     1.309875
       ip66c96 |    1.048036    .3095422      0.16    0.874       .587449     1.869746
       ip66c97 |    .9376612    .3931272     -0.15    0.878       .412257     2.132671
       ip66c98 |    .8984279    .2730791     -0.35    0.725       .495175     1.630076
       ip66c99 |    .9604292    .3684405     -0.11    0.916      .4528212      2.03706
       ip67c80 |      1.9459    .6866273      1.89    0.059      .9744661     3.885744
       ip67c81 |    1.397995    .5146983      0.91    0.363      .6793905      2.87668
       ip67c82 |    1.827005    .5675716      1.94    0.052      .9938207       3.3587
       ip67c83 |    1.835779    .7286028      1.53    0.126      .8433089     3.996262
       ip67c84 |    2.340101    .6901672      2.88    0.004      1.312772     4.171381
       ip67c85 |    2.349168    .8789887      2.28    0.022      1.128288      4.89112
       ip67c86 |    1.071463    .4243451      0.17    0.862      .4930202      2.32857
       ip67c87 |    1.504529    .6324962      0.97    0.331      .6600238     3.429582
       ip67c88 |    1.005541    .4150508      0.01    0.989      .4477698     2.258109
       ip67c89 |    1.583425    .5687777      1.28    0.201       .783141     3.201513
       ip67c90 |    1.009232    .4021162      0.02    0.982      .4622104     2.203646
       ip67c91 |    1.732053    .5459456      1.74    0.081      .9338155     3.212633
       ip67c92 |    1.299811    .5577915      0.61    0.541       .560534     3.014107
       ip67c93 |    2.022043    .6852571      2.08    0.038      1.040696     3.928774
       ip67c94 |    1.660115    .5720459      1.47    0.141      .8449467     3.261722
       ip67c95 |    1.297749    .5296967      0.64    0.523      .5831216     2.888165
       ip67c96 |    1.839196     .663795      1.69    0.091      .9066005     3.731128
       ip67c97 |    1.292202    .4966894      0.67    0.505      .6083456     2.744799
       ip67c98 |    1.505545    .4283338      1.44    0.150      .8620323     2.629445
       ip67c99 |    1.583544    .6356743      1.15    0.252      .7210018     3.477954
       ip68c80 |    1.560958     .523682      1.33    0.184      .8087672      3.01272
       ip68c81 |    .9920436    .4326951     -0.02    0.985       .421955     2.332359
       ip68c82 |    1.381516    .4255376      1.05    0.294      .7553824     2.526649
       ip68c83 |    1.289576    .4481255      0.73    0.464      .6526132     2.548227
       ip68c84 |    1.778513    .4909404      2.09    0.037       1.03536      3.05508
       ip68c85 |    1.459017    .3807808      1.45    0.148      .8748024     2.433385
       ip68c86 |    1.234932    .4290292      0.61    0.544      .6250663     2.439832
       ip68c87 |    1.107198    .3173929      0.36    0.722      .6312733      1.94193
       ip68c88 |    1.174429    .3418931      0.55    0.581      .6637886     2.077895
       ip68c89 |    .7841632    .2759386     -0.69    0.490      .3934393     1.562914
       ip68c90 |    .8833644     .224805     -0.49    0.626      .5364384     1.454655
       ip68c91 |    1.015368     .311732      0.05    0.960       .556279     1.853336
       ip68c92 |    1.212969    .3673516      0.64    0.524      .6699784     2.196033
       ip68c93 |    1.082534    .3275639      0.26    0.793      .5982414     1.958874
       ip68c94 |    .7219547    .2952337     -0.80    0.426      .3239086     1.609153
       ip68c95 |    1.017396    .3289603      0.05    0.957      .5398417     1.917405
       ip68c96 |    1.043911    .2749977      0.16    0.870       .622919     1.749427
       ip68c97 |    1.180452    .3692485      0.53    0.596      .6394257     2.179247
       ip68c98 |    1.245786    .3432717      0.80    0.425      .7259352     2.137907
       ip68c99 |    1.316188    .3915991      0.92    0.356      .7346225     2.358153
       ip69c80 |    1.233072    .3699556      0.70    0.485      .6848642     2.220099
       ip69c81 |    .9308059    .2679713     -0.25    0.803       .529426     1.636489
       ip69c82 |    1.009505    .3149641      0.03    0.976      .5476896     1.860724
       ip69c83 |    1.162155    .3444722      0.51    0.612      .6500712     2.077625
       ip69c84 |    1.167424     .334535      0.54    0.589      .6657478      2.04714
       ip69c85 |    1.135072    .3048576      0.47    0.637      .6705139     1.921494
       ip69c86 |    .9527008    .2716703     -0.17    0.865      .5447906     1.666033
       ip69c87 |    1.031258    .3014827      0.11    0.916      .5814641      1.82899
       ip69c88 |    .7339071    .2131868     -1.07    0.287      .4153196      1.29688
       ip69c89 |    .6987697    .2145491     -1.17    0.243      .3828094     1.275515
       ip69c90 |    1.061403    .3043345      0.21    0.835      .6050854     1.861847
       ip69c91 |    .7038148    .2184671     -1.13    0.258       .383038     1.293228
       ip69c92 |    .9736813    .2925287     -0.09    0.929      .5403627     1.754479
       ip69c93 |    .7664948    .2396185     -0.85    0.395      .4153461     1.414518
       ip69c94 |    .8462975    .2863205     -0.49    0.622      .4360572      1.64249
       ip69c95 |    .8687768    .2615359     -0.47    0.640      .4815742     1.567304
       ip69c96 |    1.148537    .3784143      0.42    0.674       .602137     2.190759
       ip69c97 |    1.030805    .2969101      0.11    0.916       .586137     1.812818
       ip69c98 |    1.114524    .3534769      0.34    0.732      .5985862     2.075164
       ip69c99 |     1.02291     .291642      0.08    0.937      .5849942     1.788643
       ip70c80 |    .9817964    .3407381     -0.05    0.958      .4972869     1.938366
       ip70c81 |    .8031717    .2650246     -0.66    0.507      .4206639     1.533492
       ip70c82 |    1.133804    .3612936      0.39    0.694      .6071518     2.117281
       ip70c83 |    1.107677    .3353927      0.34    0.736      .6118973     2.005155
       ip70c84 |    1.033343    .2987879      0.11    0.910      .5863032     1.821238
       ip70c85 |    1.303145    .3879802      0.89    0.374      .7270559     2.335703
       ip70c86 |    .8181942    .2561128     -0.64    0.522      .4430079     1.511128
       ip70c87 |    .8510505    .2386278     -0.58    0.565      .4912303     1.474434
       ip70c88 |    .9151759      .26633     -0.30    0.761      .5173591     1.618889
       ip70c89 |    .6632419    .1614084     -1.69    0.092      .4116434     1.068619
       ip70c90 |    .8847586    .2432635     -0.45    0.656      .5161641     1.516568
       ip70c91 |    1.042965    .2619363      0.17    0.867      .6375201     1.706261
       ip70c92 |    .7900775    .2438054     -0.76    0.445      .4315215     1.446562
       ip70c93 |    .9636171    .2582748     -0.14    0.890      .5698493      1.62948
       ip70c94 |    1.010472    .2439495      0.04    0.966      .6295442     1.621894
       ip70c95 |    1.057017    .3365889      0.17    0.862        .56628     1.973024
       ip70c96 |    1.303549    .3863301      0.89    0.371      .7292195     2.330216
       ip70c97 |    1.196145    .3524123      0.61    0.543      .6714291     2.130923
       ip70c98 |    1.383375    .4601676      0.98    0.329      .7207678     2.655123
       ip70c99 |    .9456691    .2331083     -0.23    0.821      .5833339     1.533067
       ip71c80 |    .8350361    .2444419     -0.62    0.538      .4704691     1.482106
       ip71c81 |     1.11877    .3037891      0.41    0.679      .6570631     1.904912
       ip71c82 |    .9744151    .2870794     -0.09    0.930      .5469724     1.735891
       ip71c83 |    1.219407    .3425998      0.71    0.480      .7030701     2.114945
       ip71c84 |    1.198671    .3429412      0.63    0.526      .6841801     2.100051
       ip71c85 |     .921667    .2718649     -0.28    0.782      .5170046     1.643061
       ip71c86 |    .9690074    .2870524     -0.11    0.915      .5422165     1.731735
       ip71c87 |    1.116583    .3511224      0.35    0.726       .602866     2.068051
       ip71c88 |    .8050396    .2023149     -0.86    0.388      .4919278     1.317447
       ip71c89 |    .8370972     .226739     -0.66    0.512       .492285     1.423427
       ip71c90 |    .9706165    .2739826     -0.11    0.916      .5581786     1.687805
       ip71c91 |    1.017691    .2861056      0.06    0.950      .5865642     1.765696
       ip71c92 |    .8752733    .2916152     -0.40    0.689       .455563     1.681663
       ip71c93 |     .804944    .2401597     -0.73    0.467      .4485436      1.44453
       ip71c94 |     .939576    .2379546     -0.25    0.806       .571951     1.543494
       ip71c95 |     .942345    .2661032     -0.21    0.833      .5418065     1.638988
       ip71c96 |    1.204359    .3221049      0.70    0.487      .7130216     2.034273
       ip71c97 |    1.095385    .3096473      0.32    0.747      .6294285     1.906284
       ip71c98 |    .9504811    .2153713     -0.22    0.823      .6096325       1.4819
       ip71c99 |    1.227013    .3643305      0.69    0.491      .6856559     2.195795
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       ip72c81 |    .9708252    .2009915     -0.14    0.886      .6470166     1.456689
       ip72c82 |    1.176346    .3480028      0.55    0.583      .6587507     2.100629
       ip72c83 |    1.382186    .3603249      1.24    0.214      .8292108     2.303923
       ip72c84 |    1.486501     .414263      1.42    0.155      .8608938     2.566734
       ip72c85 |    1.119738    .2836232      0.45    0.655      .6815723     1.839589
       ip72c86 |    .9044976    .2363104     -0.38    0.701      .5420274     1.509363
       ip72c87 |    1.160443    .3068128      0.56    0.574      .6911497     1.948388
       ip72c88 |     .829643    .2084397     -0.74    0.457      .5070318     1.357523
       ip72c89 |    .8048607    .2150386     -0.81    0.416      .4767613     1.358753
       ip72c90 |    .9591513    .1969567     -0.20    0.839      .6413533     1.434422
       ip72c91 |    .7554177     .169071     -1.25    0.210      .4871679     1.171374
       ip72c92 |    1.064184    .2674096      0.25    0.804      .6503176     1.741437
       ip72c93 |    .9631581    .2079268     -0.17    0.862      .6308702     1.470467
       ip72c94 |    .7719376    .2059632     -0.97    0.332      .4575835     1.302249
       ip72c95 |    .7606264    .1761834     -1.18    0.238      .4830679     1.197663
       ip72c96 |    .9075399    .2440715     -0.36    0.718      .5357298     1.537396
       ip72c97 |    1.010179    .2242438      0.05    0.964      .6538002     1.560816
       ip72c98 |    1.081018    .2588754      0.33    0.745      .6760712     1.728515
       ip72c99 |     .992768    .2340244     -0.03    0.975      .6254531     1.575799
       ip73c80 |    .9384292    .2823717     -0.21    0.833       .520327     1.692492
       ip73c81 |    .9444422    .2300417     -0.23    0.814      .5859285      1.52232
       ip73c82 |    .9608896    .2436726     -0.16    0.875      .5845434     1.579539
       ip73c83 |    1.070391    .3243224      0.22    0.822      .5910625     1.938437
       ip73c84 |    1.191254    .3294833      0.63    0.527      .6927464     2.048491
       ip73c85 |    1.488797     .426226      1.39    0.164      .8494664     2.609306
       ip73c86 |     .863447    .2952533     -0.43    0.668       .441743     1.687725
       ip73c87 |    .9820902    .2832628     -0.06    0.950      .5580082     1.728471
       ip73c88 |    .9464159    .2376284     -0.22    0.826      .5785758     1.548117
       ip73c89 |    .9339864    .2187496     -0.29    0.771       .590174      1.47809
       ip73c90 |    .9684758    .2263078     -0.14    0.891      .6126112     1.531061
       ip73c91 |    .8138671    .1930334     -0.87    0.385      .5112874     1.295513
       ip73c92 |    .7419439    .1661539     -1.33    0.183      .4783541     1.150781
       ip73c93 |    .7759201    .1921062     -1.02    0.305      .4776087     1.260555
       ip73c94 |    1.020853    .2295547      0.09    0.927       .656988     1.586241
       ip73c95 |    .8196665    .2087372     -0.78    0.435      .4975872     1.350222
       ip73c96 |    1.159257    .2399716      0.71    0.475      .7726395     1.739331
       ip73c97 |    1.095568    .2566022      0.39    0.697      .6922651      1.73383
       ip73c98 |    1.024299    .2387942      0.10    0.918      .6486149     1.617584
       ip73c99 |    1.151426    .3159997      0.51    0.607      .6724046     1.971703
       ip74c80 |    1.122968    .2692188      0.48    0.629      .7019421     1.796525
       ip74c81 |    .9449437    .2112082     -0.25    0.800       .609748     1.464406
       ip74c82 |    1.119228    .2755315      0.46    0.647      .6908279      1.81329
       ip74c83 |    1.224058    .2943581      0.84    0.401      .7640248     1.961086
       ip74c84 |     1.25827    .2998916      0.96    0.335      .7886812     2.007457
       ip74c85 |    1.141174    .3133758      0.48    0.631      .6662002     1.954784
       ip74c86 |    1.122853    .3054044      0.43    0.670      .6588781     1.913555
       ip74c87 |    .8929783    .2411856     -0.42    0.675      .5259431     1.516153
       ip74c88 |    .9032295    .2299686     -0.40    0.689      .5483733     1.487716
       ip74c89 |    1.063629      .26079      0.25    0.801      .6577867     1.719869
       ip74c90 |    1.043109    .2851693      0.15    0.877      .6104142      1.78252
       ip74c91 |    .8720979    .2044601     -0.58    0.559       .550813     1.380786
       ip74c92 |    1.011826    .2364661      0.05    0.960      .6399968     1.599681
       ip74c93 |    .8811032    .2181144     -0.51    0.609      .5423934     1.431328
       ip74c94 |    .9307593    .2159037     -0.31    0.757      .5907291     1.466515
       ip74c95 |    1.080562    .2382733      0.35    0.725       .701378     1.664742
       ip74c96 |    .9776424    .2447753     -0.09    0.928      .5984972     1.596974
       ip74c97 |    .9002632    .2347726     -0.40    0.687       .539997     1.500886
       ip74c98 |    1.161563    .2715907      0.64    0.522      .7345465     1.836819
       ip74c99 |    1.026267    .2690067      0.10    0.921      .6139627     1.715452
       ip75c80 |    1.132939    .3378382      0.42    0.676      .6315118     2.032505
       ip75c81 |    1.303886    .3598223      0.96    0.336      .7591733     2.239435
       ip75c82 |    1.413399     .396952      1.23    0.218      .8150897     2.450891
       ip75c83 |    1.731804    .4664409      2.04    0.041      1.021498     2.936025
       ip75c84 |    1.777242    .5178265      1.97    0.048      1.004005     3.145988
       ip75c85 |    1.608413     .458045      1.67    0.095      .9204318     2.810628
       ip75c86 |     1.36174    .3796265      1.11    0.268      .7884894     2.351758
       ip75c87 |    1.375549    .4261396      1.03    0.303      .7495097     2.524497
       ip75c88 |    1.150618    .2743241      0.59    0.556      .7210947     1.835989
       ip75c89 |    1.150043    .2800712      0.57    0.566      .7135425     1.853566
       ip75c90 |    .9990617    .2937453     -0.00    0.997      .5614628     1.777721
       ip75c91 |    1.022719    .3143796      0.07    0.942      .5598869     1.868152
       ip75c92 |    1.058586    .2695024      0.22    0.823      .6427194     1.743537
       ip75c93 |    1.181356    .3318411      0.59    0.553      .6812077     2.048717
       ip75c94 |    1.154861    .3446147      0.48    0.629      .6434698     2.072676
       ip75c95 |     1.05426    .2684918      0.21    0.836      .6399845     1.736704
       ip75c96 |     1.35948    .4117232      1.01    0.311      .7509025     2.461286
       ip75c97 |    1.065214     .275388      0.24    0.807      .6417662     1.768058
       ip75c98 |     1.16582    .2630355      0.68    0.496      .7491717     1.814187
       ip75c99 |    1.121894    .2499711      0.52    0.606      .7249264     1.736238
       ip66c00 |     1.23276    .5146112      0.50    0.616      .5439357     2.793891
       ip66c01 |    .8851891    .2342614     -0.46    0.645      .5269499     1.486972
       ip66c02 |    .9685358    .2710708     -0.11    0.909      .5596081     1.676283
       ip66c03 |    1.028359    .1989967      0.14    0.885      .7037684     1.502657
       ip66c04 |    1.349985    .2975272      1.36    0.173      .8764559     2.079351
       ip67c00 |    1.128225    .4341952      0.31    0.754      .5306549     2.398717
       ip67c01 |     1.93678    .7813065      1.64    0.101      .8784188     4.270308
       ip67c02 |    1.142132     .446566      0.34    0.734      .5307648     2.457709
       ip67c03 |    1.421861    .4323966      1.16    0.247      .7834324     2.580553
       ip67c04 |    1.479732    .3593069      1.61    0.107      .9193804     2.381611
       ip68c00 |    1.525986      .54012      1.19    0.232      .7625517     3.053738
       ip68c01 |    1.632084    .4922334      1.62    0.104      .9036943     2.947564
       ip68c02 |    1.236554    .3669679      0.72    0.474      .6912022     2.212185
       ip68c03 |    1.027098    .3707942      0.07    0.941      .5061952     2.084037
       ip68c04 |    1.118558    .3128062      0.40    0.689       .646575     1.935076
       ip69c00 |    1.115053    .3263166      0.37    0.710      .6283388     1.978776
       ip69c01 |    1.301861    .4009182      0.86    0.392      .7119193     2.380668
       ip69c02 |     1.09128    .3398279      0.28    0.779       .592747     2.009106
       ip69c03 |    1.069857    .2654239      0.27    0.785      .6578828     1.739814
       ip69c04 |    1.014731    .2152026      0.07    0.945      .6696217     1.537703
       ip70c00 |    1.044465    .2044086      0.22    0.824       .711718     1.532779
       ip70c01 |    1.339483    .2927591      1.34    0.181      .8727655     2.055781
       ip70c02 |    1.036189    .1793621      0.21    0.837      .7380705     1.454723
       ip70c03 |    1.147908    .1811509      0.87    0.382      .8425179     1.563993
       ip70c04 |    1.412769    .1750037      2.79    0.005      1.108232     1.800993
       ip71c00 |     1.27614    .2995961      1.04    0.299      .8054973     2.021775
       ip71c01 |    1.221381    .3278738      0.74    0.456      .7216889     2.067055
       ip71c02 |    1.057853    .2709277      0.22    0.826      .6403588     1.747541
       ip71c03 |    .8100999    .1183803     -1.44    0.150       .608348     1.078761
       ip71c04 |     1.21723    .1752896      1.37    0.172      .9178962     1.614179
       ip72c00 |    .9232593    .2109631     -0.35    0.727      .5899642     1.444847
       ip72c01 |    1.148502      .24565      0.65    0.517      .7552153     1.746598
       ip72c02 |     1.06714    .2224087      0.31    0.755      .7092801     1.605555
       ip72c03 |    1.400421    .1854475      2.54    0.011      1.080289     1.815419
       ip72c04 |    1.153479    .1613162      1.02    0.307       .876935     1.517231
       ip73c00 |    1.093714    .2969402      0.33    0.741      .6423994     1.862098
       ip73c01 |    1.251512    .2433301      1.15    0.249      .8549425     1.832033
       ip73c02 |     1.22529    .1837615      1.35    0.175      .9132313     1.643981
       ip73c03 |    1.444236    .1737222      3.06    0.002      1.140907     1.828211
       ip73c04 |    1.479798    .1899511      3.05    0.002       1.15064     1.903115
       ip74c00 |    1.046733     .228213      0.21    0.834      .6827368      1.60479
       ip74c01 |     1.00639    .2106519      0.03    0.976      .6677247     1.516823
       ip74c02 |    .8819615    .1601906     -0.69    0.489      .6177973      1.25908
       ip74c03 |    1.033768    .1665168      0.21    0.837      .7539002     1.417531
       ip74c04 |    1.104456    .1352778      0.81    0.417      .8687406     1.404128
       ip75c00 |    1.309699    .3275466      1.08    0.281      .8022171     2.138214
       ip75c01 |    1.152345    .3014022      0.54    0.588      .6901542     1.924062
       ip75c02 |    1.107115    .2135798      0.53    0.598      .7585476     1.615857
       ip75c03 |    .9576587    .2016929     -0.21    0.837      .6337804     1.447047
       ip75c04 |    1.266813    .2419396      1.24    0.216        .87126     1.841949
   ia1journal2 |    .9689096    .0043363     -7.06    0.000      .9604478     .9774459
   ia1journal3 |    .9882703    .0140368     -0.83    0.406      .9611381     1.016168
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   ia1journal8 |     .969071    .0063081     -4.83    0.000       .956786     .9815138
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   ia2journal2 |    1.000418    .0001278      3.27    0.001      1.000168     1.000669
   ia2journal3 |    1.000675    .0003763      1.80    0.073      .9999381     1.001413
   ia2journal4 |    1.000278    .0001037      2.68    0.007      1.000075     1.000481
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   ia2journal7 |    .9997894    .0002961     -0.71    0.477      .9992092      1.00037
   ia2journal8 |    1.000828    .0002192      3.78    0.000      1.000398     1.001258
   ia2journal9 |    .9995915    .0001348     -3.03    0.002      .9993273     .9998557
  ia2journal10 |    .9988777     .000307     -3.65    0.000       .998276     .9994796
  ia2journal11 |    1.000001    .0002198      0.01    0.995      .9995706     1.000432
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  ia2journal22 |    .9991741     .000346     -2.39    0.017      .9984961     .9998525
  ia2journal23 |    1.000771     .000235      3.28    0.001       1.00031     1.001231
  ia2journal24 |    .9983624    .0003068     -5.33    0.000      .9977613      .998964
  ia2journal25 |     .999508    .0007782     -0.63    0.527       .997984     1.001034
  ia2journal26 |    .9990268     .000252     -3.86    0.000       .998533     .9995209
  ia2journal27 |    1.003186    .0002506     12.74    0.000      1.002695     1.003677
  ia2journal28 |    .9992699    .0002176     -3.35    0.001      .9988435     .9996964
  ia2journal29 |    1.002214    .0008257      2.68    0.007      1.000597     1.003834
  ia2journal30 |    .9980655    .0010206     -1.89    0.058      .9960672     1.000068
  ia2journal31 |    1.753079    .0091459    107.60    0.000      1.735244     1.771096
  ia2journal32 |    .9976103    .0007549     -3.16    0.002      .9961319     .9990909
  ia2journal33 |    .9901143    .0005303    -18.55    0.000      .9890754     .9911542
  ia2journal34 |    1.002002     .000458      4.38    0.000      1.001105       1.0029
  ia2journal35 |    1.002386     .000464      5.15    0.000      1.001477     1.003296
  ia2journal37 |    1.000536     .000528      1.02    0.310      .9995017     1.001571
  ia2journal38 |    1.000379    .0004152      0.91    0.362      .9995654     1.001193
  ia2journal39 |    1.001371    .0005558      2.47    0.014      1.000282     1.002461
  ia2journal40 |    .9972931    .0004197     -6.44    0.000      .9964709     .9981159
  ia2journal41 |     .999662      .00039     -0.87    0.386      .9988979     1.000427
  ia2journal42 |     .988181    .0007102    -16.54    0.000        .98679     .9895739
  ia2journal43 |    .9981156    .0004088     -4.61    0.000      .9973147     .9989172
  ia2journal44 |    .9974587    .0004826     -5.26    0.000      .9965133      .998405
  ia2journal45 |    .9974498    .0008393     -3.03    0.002      .9958062     .9990962
  ia2journal46 |     1.00122    .0006526      1.87    0.061      .9999416       1.0025
  ia2journal47 |    1.001448    .0005714      2.54    0.011      1.000329     1.002569
  ia2journal48 |    1.001319    .0004958      2.66    0.008      1.000347     1.002291
  ia2journal49 |    1.004735    .0006813      6.97    0.000        1.0034     1.006071
  ia2journal50 |    .9981988    .0003986     -4.51    0.000      .9974178     .9989804
  ia2journal51 |    1.706047     .009101    100.14    0.000      1.688303     1.723978
  ia2journal52 |     .971826    .0014327    -19.39    0.000      .9690219     .9746381
  ia2journal53 |    .9960225    .0003478    -11.41    0.000      .9953411     .9967044
  ia2journal54 |    1.003268    .0006365      5.14    0.000      1.002021     1.004516
  ia2journal55 |    .9993276    .0003218     -2.09    0.037       .998697     .9999585
  ia2journal56 |    1.004894    .0007193      6.82    0.000      1.003486     1.006305
  ia2journal57 |    .9998495    .0006038     -0.25    0.803      .9986669     1.001034
  ia2journal58 |    1.001564    .0005393      2.90    0.004      1.000508     1.002622
  ia2journal59 |    .9992123    .0005866     -1.34    0.180      .9980632     1.000363
          op00 |    1.035367    .0992015      0.36    0.717      .8581012     1.249253
          os00 |    1.233775    .1475654      1.76    0.079       .975951     1.559709
          oh00 |    1.169318    .1791136      1.02    0.307      .8660594     1.578767
          om00 |    1.831184    .4288851      2.58    0.010      1.157099     2.897968
          jp95 |    .9531611    .0702469     -0.65    0.515      .8249616     1.101283
          jp00 |     .984906    .1052201     -0.14    0.887       .798838     1.214314
          ep00 |    1.046102    .1199658      0.39    0.694      .8355241     1.309751
          jsfs |    1.031846    .0921352      0.35    0.726      .8661835     1.229193
          jsfp |    .9789175    .0948293     -0.22    0.826      .8096342     1.183596
          jsfd |    1.013746    .0947589      0.15    0.884      .8440417     1.217571
           esf |    .9247422    .4089645     -0.18    0.860      .3886684       2.2002
---------------+----------------------------------------------------------------
Wald chi2(375) =  1.5e+18                                Prob > chi2 =   0.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        523    .8412428     .687801        .14       2.77

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        244    1.344754    .8079794        .14       2.77

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        535    1.526897      .85187        .14       2.77

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |         96    .3767708    .1602925        .19         .9

. * Other;
. clear;

. use region_temp_1;

. replace jss2 = jss2_oth;
(1,479 real changes made)

. replace es2 = es2_oth;
(96 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml coth_sing_auth ip* ia1j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 102 groups (2652 obs) dropped because of all zero outcomes
note: ia1journal29 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -7593.6014
Iteration 1:   log likelihood = -7121.4302
Iteration 2:   log likelihood = -7101.3638
Iteration 3:   log likelihood = -7101.2671
Iteration 4:   log likelihood = -7101.2671

Conditional fixed-effects Poisson regression    Number of obs     =      9,854
Group variable: volume                          Number of groups  =        379

                                                Obs per group:
                                                              min =         26
                                                              avg =       26.0
                                                              max =         26

                                                Wald chi2(318)    =     930.97
Log likelihood  = -7101.2671                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 coth_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip66c80 |    .9159947    .4015993      2.28    0.023      .1288745     1.703115
       ip66c81 |    .2284139    .4719409      0.48    0.628     -.6965733     1.153401
       ip66c82 |    .4562094    .4435542      1.03    0.304      -.413141      1.32556
       ip66c83 |    .4599619    .4425059      1.04    0.299     -.4073336     1.327257
       ip66c84 |    -.047999    .5114704     -0.09    0.925     -1.050463     .9544646
       ip66c85 |   -.2283363     .542316     -0.42    0.674     -1.291256     .8345836
       ip66c86 |    .4659186    .4396822      1.06    0.289     -.3958427      1.32768
       ip66c87 |    .5614594    .4283473      1.31    0.190      -.278086     1.401005
       ip66c88 |   -.0453275    .5084534     -0.09    0.929     -1.041878     .9512229
       ip66c89 |   -.0468691    .5077803     -0.09    0.926       -1.0421     .9483619
       ip66c90 |    .5568212    .4259408      1.31    0.191     -.2780074      1.39165
       ip66c91 |    .3527832    .4483222      0.79    0.431     -.5259121     1.231479
       ip66c92 |    .3484715    .4476352      0.78    0.436     -.5288775      1.22582
       ip66c93 |    .2254047     .462241      0.49    0.626     -.6805711      1.13138
       ip66c94 |    .3368993    .4463083      0.75    0.450     -.5378489     1.211647
       ip66c95 |    .5302392    .4223882      1.26    0.209     -.2976265     1.358105
       ip66c96 |    .4506144    .4344082      1.04    0.300     -.4008101     1.302039
       ip66c97 |    1.058816    .3728226      2.84    0.005      .3280972     1.789535
       ip66c98 |     .743743    .3963262      1.88    0.061     -.0330422     1.520528
       ip66c99 |    .8030902    .3892005      2.06    0.039      .0402713     1.565909
       ip67c80 |    1.898073    .4538372      4.18    0.000      1.008568     2.787577
       ip67c81 |    1.113456    .5087524      2.19    0.029      .1163193     2.110592
       ip67c82 |     1.29872    .4904588      2.65    0.008      .3374388     2.260002
       ip67c83 |    1.951372    .4462637      4.37    0.000      1.076711     2.826032
       ip67c84 |    1.119663    .5041784      2.22    0.026      .1314912     2.107834
       ip67c85 |    1.215324    .4936515      2.46    0.014      .2477851     2.182863
       ip67c86 |    1.301851    .4845254      2.69    0.007      .3521984     2.251503
       ip67c87 |    1.380584    .4765121      2.90    0.004      .4466374     2.314531
       ip67c88 |    .6052698     .561761      1.08    0.281     -.4957615     1.706301
       ip67c89 |    1.295486     .480695      2.70    0.007      .3533416     2.237631
       ip67c90 |    .1931442    .6297748      0.31    0.759     -1.041192      1.42748
       ip67c91 |    1.367276    .4716744      2.90    0.004      .4428109     2.291741
       ip67c92 |    1.099599    .4945157      2.22    0.026      .1303662     2.068832
       ip67c93 |    .4003539     .586167      0.68    0.495     -.7485124      1.54922
       ip67c94 |    .5757938    .5561995      1.04    0.301     -.5143373     1.665925
       ip67c95 |    1.078955    .4917761      2.19    0.028      .1150917     2.042818
       ip67c96 |    .7288837    .5327555      1.37    0.171     -.3152979     1.773065
       ip67c97 |     1.39775    .4601469      3.04    0.002      .4958782     2.299621
       ip67c98 |    1.315569    .4650674      2.83    0.005      .4040535     2.227084
       ip67c99 |    1.142547    .4788842      2.39    0.017      .2039513     2.081143
       ip68c80 |    .2472475    .3892492      0.64    0.525      -.515667     1.010162
       ip68c81 |    .5190606    .3637077      1.43    0.154     -.1937933     1.231914
       ip68c82 |   -.1145262    .4283779     -0.27    0.789     -.9541315     .7250792
       ip68c83 |    .6339827    .3521727      1.80    0.072      -.056263     1.324228
       ip68c84 |   -.3643225    .4618465     -0.79    0.430     -1.269525     .5408801
       ip68c85 |    .1738606    .3909952      0.44    0.657      -.592476     .9401972
       ip68c86 |    .4597229    .3621955      1.27    0.204     -.2501673     1.169613
       ip68c87 |    .4569247    .3610623      1.27    0.206     -.2507443     1.164594
       ip68c88 |   -.2399746     .438271     -0.55    0.584      -1.09897     .6190209
       ip68c89 |   -.3781903    .4573691     -0.83    0.408     -1.274617     .5182367
       ip68c90 |    .4428904    .3579205      1.24    0.216     -.2586209     1.144402
       ip68c91 |    .4970189    .3517615      1.41    0.158      -.192421     1.186459
       ip68c92 |     .054319    .3938952      0.14    0.890     -.7177013     .8263393
       ip68c93 |    .2131148     .374865      0.57    0.570     -.5216071     .9478366
       ip68c94 |    -.058378    .4037086     -0.14    0.885     -.8496322     .7328763
       ip68c95 |    .0269367    .3915255      0.07    0.945     -.7404391     .7943126
       ip68c96 |     .119971    .3812123      0.31    0.753     -.6271913     .8671334
       ip68c97 |    .3790354    .3517858      1.08    0.281     -.3104521     1.068523
       ip68c98 |    .7301328    .3226228      2.26    0.024      .0978037     1.362462
       ip68c99 |    .4750423    .3395598      1.40    0.162     -.1904826     1.140567
       ip69c80 |    .4720126    .3743713      1.26    0.207     -.2617416     1.205767
       ip69c81 |    .9218388    .3412613      2.70    0.007      .2529789     1.590699
       ip69c82 |    .5387756    .3662529      1.47    0.141     -.1790669     1.256618
       ip69c83 |    .6516907    .3561674      1.83    0.067     -.0463847     1.349766
       ip69c84 |    .7037901    .3509597      2.01    0.045      .0159217     1.391659
       ip69c85 |    .7037362    .3495155      2.01    0.044      .0186984     1.388774
       ip69c86 |    1.108307    .3232938      3.43    0.001      .4746633     1.741952
       ip69c87 |    .9634894    .3297042      2.92    0.003       .317281     1.609698
       ip69c88 |    .0054511    .4114999      0.01    0.989      -.801074     .8119762
       ip69c89 |    .5327533    .3567543      1.49    0.135     -.1664723     1.231979
       ip69c90 |    .4034722    .3664177      1.10    0.271     -.3146934     1.121638
       ip69c91 |    .6862487    .3417109      2.01    0.045      .0165077      1.35599
       ip69c92 |      .08272    .3960694      0.21    0.835     -.6935618     .8590018
       ip69c93 |    .2432944    .3769668      0.65    0.519     -.4955469     .9821357
       ip69c94 |    .3791229    .3620621      1.05    0.295     -.3305058     1.088752
       ip69c95 |    .4355889    .3552259      1.23    0.220     -.2606411     1.131819
       ip69c96 |    .5007699    .3486898      1.44    0.151     -.1826495     1.184189
       ip69c97 |    .9402463    .3151371      2.98    0.003      .3225889     1.557904
       ip69c98 |    .8532038     .318648      2.68    0.007      .2286652     1.477742
       ip69c99 |    .9203451    .3126291      2.94    0.003      .3076033     1.533087
       ip70c80 |    .4437509    .3520929      1.26    0.208     -.2463386      1.13384
       ip70c81 |    .8329079     .325298      2.56    0.010      .1953355      1.47048
       ip70c82 |    .2736741    .3625201      0.75    0.450     -.4368522     .9842004
       ip70c83 |    .9969979    .3131862      3.18    0.001      .3831642     1.610832
       ip70c84 |     .717824    .3266286      2.20    0.028      .0776436     1.358004
       ip70c85 |    .6319802    .3303137      1.91    0.056     -.0154226     1.279383
       ip70c86 |    .8604243    .3147866      2.73    0.006       .243454     1.477395
       ip70c87 |    .8900949     .311375      2.86    0.004      .2798111     1.500379
       ip70c88 |    .6618666    .3230069      2.05    0.040      .0287847     1.294948
       ip70c89 |    .9436271    .3049485      3.09    0.002      .3459391     1.541315
       ip70c90 |    .4155866    .3368705      1.23    0.217     -.2446676     1.075841
       ip70c91 |    1.127156    .2926204      3.85    0.000      .5536305     1.700681
       ip70c92 |    .9816019     .297592      3.30    0.001      .3983324     1.564871
       ip70c93 |    .8133925    .3046687      2.67    0.008      .2162529     1.410532
       ip70c94 |    1.047084    .2908356      3.60    0.000      .4770567     1.617111
       ip70c95 |    1.114332    .2860125      3.90    0.000      .5537582     1.674906
       ip70c96 |    1.116125    .2843884      3.92    0.000      .5587341     1.673516
       ip70c97 |     .957032     .289731      3.30    0.001      .3891696     1.524894
       ip70c98 |    .9152635    .2899513      3.16    0.002      .3469694     1.483558
       ip70c99 |    1.091722    .2794449      3.91    0.000      .5440198     1.639424
       ip71c80 |    .5257635    .3341608      1.57    0.116     -.1291796     1.180707
       ip71c81 |    .5724621    .3296722      1.74    0.082     -.0736835     1.218608
       ip71c82 |    .4494138    .3359786      1.34    0.181     -.2090921      1.10792
       ip71c83 |    .8278278    .3122053      2.65    0.008      .2159167     1.439739
       ip71c84 |    .3605044    .3392124      1.06    0.288     -.3043398     1.025349
       ip71c85 |    .6986378    .3157005      2.21    0.027      .0798762     1.317399
       ip71c86 |     1.00468    .2986592      3.36    0.001      .4193188     1.590041
       ip71c87 |    .8931297    .3020948      2.96    0.003      .3010347     1.485225
       ip71c88 |    .3099108    .3368766      0.92    0.358     -.3503552     .9701768
       ip71c89 |    .3076507     .335448      0.92    0.359     -.3498153     .9651166
       ip71c90 |    .3044347    .3340626      0.91    0.362      -.350316     .9591854
       ip71c91 |    .7898153    .3005465      2.63    0.009       .200755     1.378876
       ip71c92 |    .2951493    .3314145      0.89    0.373     -.3544113     .9447098
       ip71c93 |    .7786284     .297699      2.62    0.009      .1951491     1.362108
       ip71c94 |     .948535    .2873741      3.30    0.001       .385292     1.511778
       ip71c95 |    .2740703    .3277276      0.84    0.403     -.3682639     .9164046
       ip71c96 |    .4228892    .3147895      1.34    0.179     -.1940869     1.039865
       ip71c97 |    1.048406    .2776582      3.78    0.000      .5042063     1.592607
       ip71c98 |    .9115362    .2819559      3.23    0.001      .3589128      1.46416
       ip71c99 |    1.005607    .2754798      3.65    0.000      .4656768     1.545538
       ip72c80 |    .5786828    .3110798      1.86    0.063     -.0310224     1.188388
       ip72c81 |    .6445903    .3056778      2.11    0.035      .0454727     1.243708
       ip72c82 |     .446325    .3144049      1.42    0.156     -.1698973     1.062547
       ip72c83 |    .8655036    .2914305      2.97    0.003      .2943103     1.436697
       ip72c84 |    .5536273     .304385      1.82    0.069     -.0429563     1.150211
       ip72c85 |    .7629164    .2918284      2.61    0.009      .1909432      1.33489
       ip72c86 |    .8142114    .2874712      2.83    0.005      .2507782     1.377645
       ip72c87 |    .8619664    .2833559      3.04    0.002      .3065991     1.417334
       ip72c88 |    .9953879    .2758918      3.61    0.000        .45465     1.536126
       ip72c89 |    .8547655     .279652      3.06    0.002      .3066577     1.402873
       ip72c90 |     .799819    .2801174      2.86    0.004       .250799     1.348839
       ip72c91 |    .7939948    .2784034      2.85    0.004      .2483342     1.339655
       ip72c92 |    .6202275     .285035      2.18    0.030      .0615692     1.178886
       ip72c93 |      .48341    .2907401      1.66    0.096     -.0864301      1.05325
       ip72c94 |    .4034471    .2936306      1.37    0.169     -.1720583     .9789524
       ip72c95 |    .4654958    .2877992      1.62    0.106     -.0985803     1.029572
       ip72c96 |    .8593611    .2653272      3.24    0.001      .3393295     1.379393
       ip72c97 |    .9052584    .2617185      3.46    0.001      .3922995     1.418217
       ip72c98 |    .7544967     .266197      2.83    0.005      .2327602     1.276233
       ip72c99 |    .6910148    .2671317      2.59    0.010      .1674463     1.214583
       ip73c80 |    .2143281    .3037284      0.71    0.480     -.3809687     .8096248
       ip73c81 |    .4525473    .2895872      1.56    0.118     -.1150331     1.020128
       ip73c82 |    .3993327    .2898392      1.38    0.168     -.1687418     .9674071
       ip73c83 |   -.1397656    .3202877     -0.44    0.663     -.7675179     .4879868
       ip73c84 |    .1105131    .3013083      0.37    0.714     -.4800403     .7010666
       ip73c85 |    .2784598     .289533      0.96    0.336     -.2890144     .8459339
       ip73c86 |     .177165    .2931455      0.60    0.546     -.3973897     .7517197
       ip73c87 |    .5673238    .2713298      2.09    0.037      .0355271      1.09912
       ip73c88 |   -.0630095    .3046198     -0.21    0.836     -.6600533     .5340344
       ip73c89 |    .1632893    .2877244      0.57    0.570     -.4006402     .7272188
       ip73c90 |    .0477156    .2928942      0.16    0.871     -.5263465     .6217778
       ip73c91 |    .0404714    .2912799      0.14    0.889     -.5304267     .6113695
       ip73c92 |    .4631395    .2654662      1.74    0.081     -.0571647     .9834438
       ip73c93 |    .3206203    .2704914      1.19    0.236     -.2095332     .8507737
       ip73c94 |   -.1090992    .2953397     -0.37    0.712     -.6879543     .4697559
       ip73c95 |    .5058568    .2572677      1.97    0.049      .0016213     1.010092
       ip73c96 |    .2749038    .2675796      1.03    0.304     -.2495425       .79935
       ip73c97 |    .5271313    .2522104      2.09    0.037       .032808     1.021455
       ip73c98 |    .3456973     .258517      1.34    0.181     -.1609868     .8523814
       ip73c99 |    .6830494    .2414491      2.83    0.005      .2098178     1.156281
       ip74c80 |    .7973806    .3011702      2.65    0.008      .2070979     1.387663
       ip74c81 |    .7733664     .300026      2.58    0.010      .1853262     1.361407
       ip74c82 |     .629839    .3047869      2.07    0.039      .0324676      1.22721
       ip74c83 |    .8783464    .2911084      3.02    0.003      .3077843     1.448908
       ip74c84 |    .7753945    .2934949      2.64    0.008      .2001551     1.350634
       ip74c85 |    .5972093    .3002926      1.99    0.047      .0086466     1.185772
       ip74c86 |    .9896624    .2801907      3.53    0.000      .4404987     1.538826
       ip74c87 |    .9190817    .2809208      3.27    0.001      .3684871     1.469676
       ip74c88 |    .7373289     .287006      2.57    0.010      .1748074      1.29985
       ip74c89 |    .9100103    .2771715      3.28    0.001      .3667641     1.453256
       ip74c90 |    .7804704    .2808837      2.78    0.005      .2299484     1.330992
       ip74c91 |    .7736183    .2791849      2.77    0.006      .2264259     1.320811
       ip74c92 |    1.040275    .2659188      3.91    0.000      .5190835     1.561466
       ip74c93 |    .6748866    .2800061      2.41    0.016      .1260847     1.223688
       ip74c94 |    .5438735    .2850321      1.91    0.056     -.0147791     1.102526
       ip74c95 |    .9279277    .2644067      3.51    0.000      .4097002     1.446155
       ip74c96 |    1.106761    .2554703      4.33    0.000      .6060484     1.607474
       ip74c97 |    1.264853    .2485844      5.09    0.000      .7776365      1.75207
       ip74c98 |    1.122855    .2511482      4.47    0.000      .6306137     1.615097
       ip74c99 |    .7135178    .2656832      2.69    0.007      .1927883     1.234247
       ip75c80 |     .731754    .3070784      2.38    0.017      .1298914     1.333617
       ip75c81 |    .7335446    .3045068      2.41    0.016      .1367222     1.330367
       ip75c82 |    .7896985    .2994605      2.64    0.008      .2027668      1.37663
       ip75c83 |    .6439484    .3040652      2.12    0.034      .0479916     1.239905
       ip75c84 |    .4346326    .3134913      1.39    0.166      -.179799     1.049064
       ip75c85 |    .8113727    .2911878      2.79    0.005       .240655      1.38209
       ip75c86 |    1.313126     .270285      4.86    0.000      .7833774     1.842875
       ip75c87 |     1.01532    .2778654      3.65    0.000      .4707139     1.559926
       ip75c88 |    .7428631    .2872378      2.59    0.010      .1798873     1.305839
       ip75c89 |    .5198129    .2967291      1.75    0.080     -.0617655     1.101391
       ip75c90 |    .3635724    .3040465      1.20    0.232     -.2323478     .9594925
       ip75c91 |    .9425465    .2712667      3.47    0.001      .4108734     1.474219
       ip75c92 |     .560064    .2873675      1.95    0.051     -.0031659     1.123294
       ip75c93 |    .6416295    .2805904      2.29    0.022      .0916823     1.191577
       ip75c94 |    .7670126    .2720211      2.82    0.005       .233861     1.300164
       ip75c95 |    .8972726    .2639117      3.40    0.001      .3800153      1.41453
       ip75c96 |    .7746844    .2666213      2.91    0.004      .2521163     1.297253
       ip75c97 |    .9936206    .2555214      3.89    0.000      .4928078     1.494433
       ip75c98 |    .8529075    .2589011      3.29    0.001      .3454707     1.360344
       ip75c99 |    .9230272      .25343      3.64    0.000      .4263136     1.419741
       ip66c00 |    .7573737    .3866901      1.96    0.050     -.0005249     1.515272
       ip66c01 |    .7743867    .3617183      2.14    0.032      .0654318     1.483341
       ip66c02 |     .772619    .3439875      2.25    0.025       .098416     1.446822
       ip66c03 |    .5862785    .3301553      1.78    0.076     -.0608139     1.233371
       ip66c04 |    .6990302    .3048811      2.29    0.022      .1014741     1.296586
       ip67c00 |    .3040859    .5802359      0.52    0.600     -.8331556     1.441327
       ip67c01 |    1.025557    .4587569      2.24    0.025        .12641     1.924704
       ip67c02 |    1.273173     .425996      2.99    0.003      .4382361      2.10811
       ip67c03 |    .5528673    .4574434      1.21    0.227     -.3437053      1.44944
       ip67c04 |   -.0513701    .5067967     -0.10    0.919     -1.044673     .9419332
       ip68c00 |    .4233711    .3369837      1.26    0.209     -.2371049     1.083847
       ip68c01 |    .0831447     .343058      0.24    0.808     -.5892367      .755526
       ip68c02 |    .6029936     .286342      2.11    0.035      .0417735     1.164214
       ip68c03 |    .2474574    .2827152      0.88    0.381     -.3066541      .801569
       ip68c04 |    .0596113    .2745493      0.22    0.828     -.4784955      .597718
       ip69c00 |    .8403357    .3121864      2.69    0.007      .2284615      1.45221
       ip69c01 |    1.081564     .286767      3.77    0.000       .519511     1.643617
       ip69c02 |    .7113819    .2903209      2.45    0.014      .1423634       1.2804
       ip69c03 |    .2501496    .2974465      0.84    0.400     -.3328349     .8331341
       ip69c04 |    .3315222    .2706499      1.22    0.221     -.1989419     .8619862
       ip70c00 |    .8085221    .2891975      2.80    0.005      .2417055     1.375339
       ip70c01 |    .6832114    .2811189      2.43    0.015      .1322284     1.234194
       ip70c02 |    .7692179    .2580477      2.98    0.003      .2634538     1.274982
       ip70c03 |    .4305384     .250999      1.72    0.086     -.0614107     .9224874
       ip70c04 |    .0758673    .2520033      0.30    0.763       -.41805     .5697847
       ip71c00 |    .7811406    .2818816      2.77    0.006      .2286628     1.333618
       ip71c01 |    .7150625    .2708498      2.64    0.008      .1842067     1.245918
       ip71c02 |    .1751024    .2834564      0.62    0.537      -.380462     .7306668
       ip71c03 |    .5121488    .2373577      2.16    0.031      .0469363     .9773613
       ip71c04 |    .1661896    .2381492      0.70    0.485     -.3005742     .6329534
       ip72c00 |    .6341587    .2661034      2.38    0.017      .1126056     1.155712
       ip72c01 |    .5355103    .2582121      2.07    0.038      .0294239     1.041597
       ip72c02 |    .3413691    .2503943      1.36    0.173     -.1493946     .8321329
       ip72c03 |    .5039312    .2174509      2.32    0.020      .0777352     .9301272
       ip72c04 |   -.1715958    .2359477     -0.73    0.467     -.6340448     .2908532
       ip73c00 |    .4854093    .2445887      1.98    0.047      .0060242     .9647944
       ip73c01 |    .2300964    .2413498      0.95    0.340     -.2429406     .7031333
       ip73c02 |    .3804542    .2134062      1.78    0.075     -.0378142     .7987227
       ip73c03 |    .4486262    .1869571      2.40    0.016       .082197     .8150554
       ip73c04 |    .1082894    .1829903      0.59    0.554      -.250365     .4669437
       ip74c00 |    .8660873    .2548456      3.40    0.001      .3665992     1.365575
       ip74c01 |    .9895975    .2374196      4.17    0.000      .5242636     1.454931
       ip74c02 |    .5360897    .2372745      2.26    0.024      .0710402     1.001139
       ip74c03 |    .4904983      .21297      2.30    0.021      .0730848     .9079118
       ip74c04 |    .5435609     .192227      2.83    0.005      .1668029     .9203188
       ip75c00 |    .6557694    .2608719      2.51    0.012      .1444699     1.167069
       ip75c01 |    .6014012    .2512015      2.39    0.017      .1090552     1.093747
       ip75c02 |    .6847104    .2289123      2.99    0.003      .2360505      1.13337
       ip75c03 |    .7507613    .2040939      3.68    0.000      .3507446     1.150778
       ip75c04 |    .0555353    .2155359      0.26    0.797     -.3669074      .477978
   ia1journal2 |   -.0089526    .0067983     -1.32    0.188      -.022277     .0043719
   ia1journal3 |    .0233683    .0098129      2.38    0.017      .0041354     .0426012
   ia1journal4 |   -.0173371    .0091373     -1.90    0.058     -.0352459     .0005717
   ia1journal5 |    .0197388    .0070866      2.79    0.005      .0058494     .0336282
   ia1journal6 |   -.0391684    .0265907     -1.47    0.141     -.0912852     .0129485
   ia1journal7 |   -.0423833    .0208582     -2.03    0.042     -.0832647    -.0015019
   ia1journal8 |   -.0021943    .0124793     -0.18    0.860     -.0266532     .0222647
   ia1journal9 |   -.0121356    .0084359     -1.44    0.150     -.0286696     .0043985
  ia1journal10 |   -.0172649    .0159921     -1.08    0.280     -.0486089     .0140792
  ia1journal11 |    .0514516    .0135121      3.81    0.000      .0249683     .0779348
  ia1journal12 |    .0436424    .0226647      1.93    0.054     -.0007796     .0880643
  ia1journal13 |    .0231439    .0161519      1.43    0.152     -.0085133     .0548012
  ia1journal14 |   -.1138299    .0326849     -3.48    0.000     -.1778911    -.0497687
  ia1journal15 |    .0179357    .0146454      1.22    0.221     -.0107689     .0466402
  ia1journal16 |   -.0213913     .040834     -0.52    0.600     -.1014244     .0586418
  ia1journal17 |    .0584218    .0129005      4.53    0.000      .0331372     .0837064
  ia1journal18 |   -.0641427    .0205942     -3.11    0.002     -.1045066    -.0237787
  ia1journal19 |   -.0134449    .0152096     -0.88    0.377     -.0432552     .0163654
  ia1journal20 |    .0103628    .0098171      1.06    0.291     -.0088783      .029604
  ia1journal21 |     .040473    .0552732      0.73    0.464     -.0678606     .1488066
  ia1journal22 |    .0732633    .0851674      0.86    0.390     -.0936617     .2401883
  ia1journal23 |    .1277402    .0455052      2.81    0.005      .0385517     .2169287
  ia1journal24 |    .0141263    .0066689      2.12    0.034      .0010556     .0271971
  ia1journal25 |    .1192795    .0421754      2.83    0.005      .0366173     .2019417
  ia1journal26 |    .0337763    .0220521      1.53    0.126      -.009445     .0769975
  ia1journal27 |   -.0589915    .0181405     -3.25    0.001     -.0945461    -.0234368
  ia1journal28 |   -.1030632    .0251702     -4.09    0.000     -.1523959    -.0537306
  ia1journal30 |   -.0268628    .0290925     -0.92    0.356     -.0838829     .0301574
  ia1journal31 |    .0150703    .0522498      0.29    0.773     -.0873374     .1174781
  ia1journal32 |    .0071788    .0271617      0.26    0.792     -.0460571     .0604147
  ia1journal33 |   -.0373061    .0203023     -1.84    0.066     -.0770978     .0024855
  ia1journal34 |   -.0119535    .0279752     -0.43    0.669     -.0667839     .0428769
  ia1journal35 |   -.0316821    .0590682     -0.54    0.592     -.1474536     .0840894
  ia1journal36 |   -.0233873    .0977725     -0.24    0.811     -.2150179     .1682433
  ia1journal37 |    .0603612    .0170893      3.53    0.000      .0268669     .0938556
  ia1journal38 |    .0027669    .0184798      0.15    0.881     -.0334528     .0389866
  ia1journal39 |     .123196    .0366867      3.36    0.001      .0512913     .1951008
  ia1journal40 |    .0580492    .0593992      0.98    0.328      -.058371     .1744694
  ia1journal41 |    .0251343    .0092822      2.71    0.007      .0069416      .043327
  ia1journal42 |    .0560889    .0415252      1.35    0.177      -.025299     .1374769
  ia1journal43 |   -.0331517    .0161004     -2.06    0.039     -.0647079    -.0015955
  ia1journal44 |    .1005272    .0166002      6.06    0.000      .0679915     .1330629
  ia1journal45 |     .032391    .0367771      0.88    0.378     -.0396909     .1044729
  ia1journal46 |    .0386551    .0182399      2.12    0.034      .0029056     .0744047
  ia1journal47 |    .0712277    .0144159      4.94    0.000      .0429731     .0994824
  ia1journal48 |    .0810743    .0502545      1.61    0.107     -.0174228     .1795714
  ia1journal49 |    .0518772     .031795      1.63    0.103       -.01044     .1141943
  ia1journal50 |   -.0290388    .0299452     -0.97    0.332     -.0877303     .0296526
  ia1journal51 |   -.2242478    .2386397     -0.94    0.347     -.6919729     .2434773
  ia1journal52 |   -.0821192    .1019568     -0.81    0.421     -.2819507     .1177124
  ia1journal53 |   -.0720215    .0419631     -1.72    0.086     -.1542678     .0102247
  ia1journal54 |    .0065427    .0507074      0.13    0.897      -.092842     .1059273
  ia1journal55 |   -.0807998    .0298706     -2.70    0.007     -.1393451    -.0222544
  ia1journal56 |    .0807898    .0557796      1.45    0.148     -.0285362     .1901159
  ia1journal57 |   -.0411149     .012842     -3.20    0.001     -.0662849     -.015945
  ia1journal58 |    .0367984    .0712872      0.52    0.606     -.1029218     .1765187
  ia1journal59 |    -.023903    .0257037     -0.93    0.352     -.0742812     .0264753
          op00 |    .2956187    .1092896      2.70    0.007       .081415     .5098223
          os00 |    .1409004    .1389711      1.01    0.311      -.131478     .4132788
          oh00 |    .6282896    .1527263      4.11    0.000      .3289515     .9276276
          om00 |      .46658    .2429817      1.92    0.055     -.0096553     .9428153
          jp95 |    -.033826    .1057944     -0.32    0.749     -.2411792     .1735272
          jp00 |    .0293823     .117063      0.25    0.802      -.200057     .2588216
          ep00 |    .0364476    .2430981      0.15    0.881     -.4400159     .5129112
          jsfs |    .2692504    .0767228      3.51    0.000      .1188763     .4196244
          jsfp |    .1467297    .0672175      2.18    0.029      .0149859     .2784734
          jsfd |    .2461843    .0595687      4.13    0.000      .1294317     .3629368
           esf |    1.684713    .3883908      4.34    0.000      .9234806     2.445944
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 coth_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
coth_sing_auth |
       ip66c80 |     2.49926    .9823025      2.33    0.020      1.156798     5.399648
       ip66c81 |    1.256605    .3529164      0.81    0.416      .7246692     2.179004
       ip66c82 |    1.578081     .615318      1.17    0.242      .7349074     3.388643
       ip66c83 |    1.584014    .8525291      0.85    0.393       .551614     4.548651
       ip66c84 |    .9531347    .3798206     -0.12    0.904      .4364693     2.081397
       ip66c85 |    .7958566    .4118966     -0.44    0.659      .2885987     2.194701
       ip66c86 |    1.593477    .6944758      1.07    0.285      .6782218     3.743863
       ip66c87 |    1.753229    .5827443      1.69    0.091      .9139311     3.363287
       ip66c88 |    .9556844    .4743658     -0.09    0.927      .3612518     2.528244
       ip66c89 |    .9542123    .5593296     -0.08    0.936      .3024803     3.010183
       ip66c90 |    1.745116    .6098474      1.59    0.111      .8797595     3.461663
       ip66c91 |    1.423023    .6836656      0.73    0.463      .5549672     3.648852
       ip66c92 |      1.4169    .5390031      0.92    0.360      .6722543     2.986379
       ip66c93 |     1.25283    .5517576      0.51    0.609      .5284636     2.970086
       ip66c94 |    1.400598    .5201118      0.91    0.364      .6764256      2.90006
       ip66c95 |    1.699339    .5347305      1.69    0.092      .9171335     3.148672
       ip66c96 |    1.569276    .7946418      0.89    0.374      .5816642     4.233761
       ip66c97 |    2.882956    .9904602      3.08    0.002      1.470285      5.65294
       ip66c98 |    2.103795    .6211875      2.52    0.012      1.179422     3.752647
       ip66c99 |    2.232429    1.050015      1.71    0.088      .8880103     5.612254
       ip67c80 |     6.67302    3.545875      3.57    0.000      2.355132      18.9073
       ip67c81 |    3.044862    2.116212      1.60    0.109      .7797827     11.88945
       ip67c82 |    3.664604    1.573005      3.03    0.002      1.579992     8.499616
       ip67c83 |    7.038335    3.549977      3.87    0.000      2.619046     18.91458
       ip67c84 |    3.063821    1.693243      2.03    0.043      1.037147     9.050785
       ip67c85 |    3.371387    1.842042      2.22    0.026      1.155402     9.837481
       ip67c86 |    3.676094    2.372373      2.02    0.044      1.037677       13.023
       ip67c87 |    3.977224    2.076946      2.64    0.008      1.429137     11.06843
       ip67c88 |    1.831746    1.202357      0.92    0.356      .5059846     6.631219
       ip67c89 |    3.652772    1.924247      2.46    0.014       1.30082     10.25718
       ip67c90 |    1.213058    .6343566      0.37    0.712      .4352653     3.380718
       ip67c91 |    3.924645    2.160391      2.48    0.013      1.334263     11.54408
       ip67c92 |    3.002962    2.130081      1.55    0.121      .7477733     12.05951
       ip67c93 |    1.492353    .9156136      0.65    0.514      .4483611     4.967239
       ip67c94 |    1.778542    1.264676      0.81    0.418      .4413632     7.166911
       ip67c95 |    2.941604    1.425668      2.23    0.026      1.137742     7.605445
       ip67c96 |    2.072766    1.325636      1.14    0.254      .5917862     7.259981
       ip67c97 |    4.046084     2.09682      2.70    0.007      1.465254     11.17267
       ip67c98 |     3.72687    2.300425      2.13    0.033       1.11157     12.49545
       ip67c99 |    3.134743    1.527271      2.35    0.019      1.206397     8.145427
       ip68c80 |    1.280496    .5473983      0.58    0.563      .5539858     2.959769
       ip68c81 |    1.680448    .5166101      1.69    0.091        .91991     3.069764
       ip68c82 |    .8917886    .3570135     -0.29    0.775      .4069085     1.954461
       ip68c83 |    1.885104    .8478849      1.41    0.159      .7806932     4.551872
       ip68c84 |    .6946672    .3635316     -0.70    0.486      .2490737     1.937428
       ip68c85 |     1.18989    .5392858      0.38    0.701      .4894657     2.892618
       ip68c86 |    1.583635    .4907078      1.48    0.138      .8627808     2.906764
       ip68c87 |     1.57921    .5846843      1.23    0.217      .7643501     3.262777
       ip68c88 |    .7866478    .2971886     -0.64    0.525      .3751491     1.649517
       ip68c89 |    .6851001    .2690922     -0.96    0.336      .3172641     1.479405
       ip68c90 |    1.557202    .5360589      1.29    0.198      .7930909     3.057502
       ip68c91 |    1.643814    .5285382      1.55    0.122      .8753148      3.08703
       ip68c92 |    1.055821    .4155814      0.14    0.890      .4881456      2.28366
       ip68c93 |    1.237527    .5319022      0.50    0.620      .5329655     2.873493
       ip68c94 |    .9432934    .3587407     -0.15    0.878      .4476403     1.987762
       ip68c95 |    1.027303    .4251911      0.07    0.948      .4564509      2.31208
       ip68c96 |    1.127464    .5223886      0.26    0.796      .4546896     2.795699
       ip68c97 |    1.460875    .5443947      1.02    0.309       .703741     3.032586
       ip68c98 |    2.075356    .6806234      2.23    0.026      1.091282      3.94683
       ip68c99 |    1.608082    .6867978      1.11    0.266      .6962538      3.71406
       ip69c80 |    1.603218     .674559      1.12    0.262      .7028241     3.657112
       ip69c81 |    2.513909    .8402638      2.76    0.006      1.305686     4.840165
       ip69c82 |    1.713907    .6181713      1.49    0.135      .8452326     3.475348
       ip69c83 |    1.918782    .8846242      1.41    0.157      .7773071     4.736513
       ip69c84 |      2.0214    .6752591      2.11    0.035      1.050277     3.890456
       ip69c85 |    2.021291    .6563547      2.17    0.030      1.069612     3.819719
       ip69c86 |    3.029227    .9585003      3.50    0.000      1.629284     5.632054
       ip69c87 |    2.620826     .857282      2.95    0.003      1.380406     4.975874
       ip69c88 |    1.005466    .3610312      0.02    0.988      .4974251      2.03239
       ip69c89 |    1.703616    .5402092      1.68    0.093       .915081     3.171641
       ip69c90 |    1.497014    .4117072      1.47    0.142       .873231     2.566388
       ip69c91 |    1.986251    .6096324      2.24    0.025      1.088374     3.624851
       ip69c92 |    1.086238     .424784      0.21    0.832      .5047241     2.337737
       ip69c93 |    1.275444    .4230344      0.73    0.463      .6657913     2.443344
       ip69c94 |    1.461003    .5125522      1.08    0.280      .7345655     2.905838
       ip69c95 |    1.545873    .4517822      1.49    0.136      .8717857     2.741182
       ip69c96 |    1.649991    .5041167      1.64    0.101       .906602     3.002939
       ip69c97 |    2.560612      .72866      3.30    0.001      1.465959     4.472659
       ip69c98 |    2.347155    .5909165      3.39    0.001      1.432994     3.844493
       ip69c99 |    2.510156     .888586      2.60    0.009      1.254234     5.023691
       ip70c80 |    1.558542    .7014182      0.99    0.324      .6451153     3.765302
       ip70c81 |    2.299997    .9378313      2.04    0.041      1.034301     5.114551
       ip70c82 |    1.314786    .5842401      0.62    0.538      .5503185     3.141204
       ip70c83 |    2.710134     1.24773      2.17    0.030      1.099265     6.681575
       ip70c84 |    2.049968     .917059      1.60    0.109      .8530206     4.926455
       ip70c85 |    1.881332    .8707999      1.37    0.172      .7594086     4.660747
       ip70c86 |    2.364164    .9142417      2.22    0.026      1.107926     5.044803
       ip70c87 |    2.435361    .9686384      2.24    0.025      1.116882     5.310305
       ip70c88 |    1.938407    .7323101      1.75    0.080      .9244212     4.064621
       ip70c89 |    2.569284    .9567168      2.53    0.011      1.238376     5.330544
       ip70c90 |    1.515259    .7433289      0.85    0.397      .5793215     3.963275
       ip70c91 |    3.086865     1.19998      2.90    0.004      1.440866     6.613198
       ip70c92 |    2.668728    1.379502      1.90    0.058      .9689618     7.350247
       ip70c93 |    2.255547    1.033434      1.78    0.076      .9188678     5.536696
       ip70c94 |     2.84933    1.493232      2.00    0.046      1.020137     7.958426
       ip70c95 |    3.047533    1.280982      2.65    0.008      1.337086     6.946041
       ip70c96 |    3.053001    1.695784      2.01    0.044      1.027847     9.068288
       ip70c97 |    2.603956    1.221785      2.04    0.041      1.038119     6.531608
       ip70c98 |    2.497433    1.067335      2.14    0.032      1.080721     5.771308
       ip70c99 |      2.9794    1.191172      2.73    0.006      1.360869     6.522909
       ip71c80 |     1.69175    .6404832      1.39    0.165      .8055231     3.552993
       ip71c81 |    1.772626    .6291235      1.61    0.107      .8841315        3.554
       ip71c82 |    1.567393    .5214023      1.35    0.177      .8166216     3.008396
       ip71c83 |    2.288343    .7711552      2.46    0.014      1.182149     4.429655
       ip71c84 |    1.434053    .5459406      0.95    0.344      .6800088     3.024235
       ip71c85 |    2.011011    .8355701      1.68    0.093      .8907226     4.540322
       ip71c86 |    2.731033    1.044428      2.63    0.009      1.290632     5.778985
       ip71c87 |    2.442763    .8055868      2.71    0.007      1.279875     4.662243
       ip71c88 |    1.363304    .5150023      0.82    0.412      .6501929     2.858531
       ip71c89 |    1.360226    .6154001      0.68    0.497      .5604103     3.301535
       ip71c90 |    1.355858    .4742063      0.87    0.384      .6831401     2.691032
       ip71c91 |    2.202989    .8027244      2.17    0.030      1.078579     4.499589
       ip71c92 |    1.343327     .422424      0.94    0.348      .7252905     2.488006
       ip71c93 |    2.178482     .670527      2.53    0.011      1.191676     3.982447
       ip71c94 |    2.581924    .6913824      3.54    0.000      1.527603     4.363917
       ip71c95 |    1.315307    .5388842      0.67    0.504      .5892345     2.936069
       ip71c96 |    1.526365    .6440563      1.00    0.316      .6675601     3.490009
       ip71c97 |    2.853101    .9668274      3.09    0.002      1.468491      5.54323
       ip71c98 |    2.488142    .6946839      3.26    0.001      1.439533     4.300598
       ip71c99 |    2.733567    .9611019      2.86    0.004      1.372314       5.4451
       ip72c80 |    1.783687    .6034969      1.71    0.087      .9190121     3.461914
       ip72c81 |    1.905206    .6512186      1.89    0.059      .9749734     3.722985
       ip72c82 |    1.562559    .6763879      1.03    0.303      .6689218     3.650041
       ip72c83 |    2.376202    .7105687      2.89    0.004      1.322343      4.26995
       ip72c84 |    1.739551    .7442521      1.29    0.196      .7520696     4.023616
       ip72c85 |    2.144521    .7492165      2.18    0.029      1.081314     4.253131
       ip72c86 |    2.257395    .7469681      2.46    0.014      1.180175     4.317861
       ip72c87 |    2.367812    .7485051      2.73    0.006       1.27429     4.399733
       ip72c88 |    2.705774    .8928103      3.02    0.003       1.41718     5.166044
       ip72c89 |    2.350823    .6006311      3.35    0.001      1.424753     3.878827
       ip72c90 |    2.225138    .7409769      2.40    0.016      1.158523     4.273752
       ip72c91 |    2.212216    .6767217      2.60    0.009      1.214628     4.029136
       ip72c92 |    1.859351    .5099319      2.26    0.024      1.086218     3.182773
       ip72c93 |    1.621595    .5204306      1.51    0.132      .8644896     3.041759
       ip72c94 |    1.496976    .5293781      1.14    0.254      .7485193     2.993827
       ip72c95 |    1.592804    .5194198      1.43    0.153      .8405856     3.018162
       ip72c96 |    2.361651    .7145079      2.84    0.005      1.305234     4.273102
       ip72c97 |    2.472571    .7496824      2.99    0.003      1.364787     4.479532
       ip72c98 |    2.126541    .5933949      2.70    0.007      1.230701     3.674472
       ip72c99 |     1.99574    .5796432      2.38    0.017      1.129486     3.526364
       ip73c80 |    1.239029     .421798      0.63    0.529      .6357848     2.414643
       ip73c81 |    1.572312    .4610467      1.54    0.123      .8849979     2.793414
       ip73c82 |    1.490829    .5145162      1.16    0.247       .757985     2.932212
       ip73c83 |    .8695621     .311858     -0.39    0.697      .4305538     1.756199
       ip73c84 |    1.116851    .3725259      0.33    0.740      .5808671     2.147404
       ip73c85 |    1.321093    .4404624      0.84    0.404      .6872846     2.539396
       ip73c86 |    1.193828    .4677915      0.45    0.651      .5538671     2.573226
       ip73c87 |    1.763541    .5670021      1.76    0.078      .9391022     3.311756
       ip73c88 |    .9389346     .296368     -0.20    0.842      .5057777     1.743055
       ip73c89 |    1.177377    .3851766      0.50    0.618      .6200786     2.235551
       ip73c90 |    1.048872    .4151538      0.12    0.904      .4828463     2.278434
       ip73c91 |    1.041301    .2783168      0.15    0.880      .6166933     1.758263
       ip73c92 |    1.589055    .4869495      1.51    0.131      .8715595     2.897216
       ip73c93 |    1.377982    .4751643      0.93    0.352      .7010146     2.708695
       ip73c94 |    .8966415    .3764381     -0.26    0.795      .3937838     2.041643
       ip73c95 |    1.658406    .5293582      1.58    0.113      .8871352     3.100215
       ip73c96 |    1.316404    .4015116      0.90    0.367      .7240479     2.393377
       ip73c97 |    1.694066    .4463494      2.00    0.045      1.010781     2.839248
       ip73c98 |    1.412975    .4704812      1.04    0.299      .7357124     2.713693
       ip73c99 |    1.979906    .5207128      2.60    0.009      1.182441     3.315198
       ip74c80 |    2.219719    .5100316      3.47    0.001      1.414864      3.48242
       ip74c81 |    2.167049    .8702528      1.93    0.054      .9863696     4.760997
       ip74c82 |    1.877308    .5864793      2.02    0.044      1.017692     3.463017
       ip74c83 |    2.406916    .7328226      2.88    0.004      1.325256     4.371418
       ip74c84 |    2.171449    .6039618      2.79    0.005       1.25892     3.745422
       ip74c85 |    1.817041    .4780349      2.27    0.023      1.084993     3.043003
       ip74c86 |    2.690326     .774848      3.44    0.001      1.529847     4.731096
       ip74c87 |    2.506987    .6852508      3.36    0.001      1.467195     4.283674
       ip74c88 |    2.090344    .6177092      2.50    0.013      1.171339     3.730379
       ip74c89 |    2.484348    .6248111      3.62    0.000      1.517526     4.067137
       ip74c90 |    2.182499    .6494022      2.62    0.009      1.218089     3.910469
       ip74c91 |    2.167595    .5344392      3.14    0.002      1.336925     3.514384
       ip74c92 |    2.829994    .7160553      4.11    0.000      1.723501      4.64686
       ip74c93 |     1.96381    .5623656      2.36    0.018      1.120329     3.442337
       ip74c94 |    1.722667    .4331968      2.16    0.031      1.052327     2.820018
       ip74c95 |    2.529262    .8204546      2.86    0.004      1.339297     4.776512
       ip74c96 |    3.024546    .8262081      4.05    0.000      1.770678     5.166315
       ip74c97 |    3.542572    1.086824      4.12    0.000      1.941686     6.463362
       ip74c98 |    3.073617    .6354818      5.43    0.000       2.04956     4.609342
       ip74c99 |    2.041159     .595906      2.44    0.015      1.151789     3.617269
       ip75c80 |    2.078724    .5607671      2.71    0.007      1.225102     3.527128
       ip75c81 |    2.082449    .7241881      2.11    0.035      1.053325     4.117053
       ip75c82 |    2.202732     .851536      2.04    0.041       1.03253     4.699165
       ip75c83 |    1.903984    .7150863      1.71    0.086      .9119569     3.975138
       ip75c84 |    1.544396     .519371      1.29    0.196      .7989222     2.985469
       ip75c85 |    2.250996    .6801821      2.69    0.007      1.244995     4.069882
       ip75c86 |    3.717779    1.033976      4.72    0.000      2.155511     6.412344
       ip75c87 |    2.760247    .8860636      3.16    0.002      1.471312     5.178347
       ip75c88 |    2.101945    .6750153      2.31    0.021      1.120128     3.944345
       ip75c89 |    1.681713    .6522672      1.34    0.180      .7863318     3.596647
       ip75c90 |    1.438459    .3616527      1.45    0.148      .8788022     2.354528
       ip75c91 |    2.566509    .7633491      3.17    0.002      1.432756     4.597409
       ip75c92 |    1.750785    .5138831      1.91    0.056      .9848986     3.112246
       ip75c93 |    1.899574    .7659847      1.59    0.112      .8618215     4.186923
       ip75c94 |    2.153324    .5932734      2.78    0.005      1.254846     3.695118
       ip75c95 |    2.452904     .581633      3.78    0.000      1.541145      3.90407
       ip75c96 |    2.169907    .5908175      2.85    0.004      1.272559     3.700023
       ip75c97 |    2.700996    .7105583      3.78    0.000      1.612858     4.523263
       ip75c98 |    2.346459    .6879629      2.91    0.004      1.320832     4.168487
       ip75c99 |    2.516898     .608917      3.82    0.000       1.56651     4.043879
       ip66c00 |    2.132668    .7380841      2.19    0.029      1.082269     4.202534
       ip66c01 |    2.169261    .8697097      1.93    0.053      .9886542     4.759697
       ip66c02 |     2.16543    .4649656      3.60    0.000      1.421584     3.298496
       ip66c03 |    1.797287    .3900147      2.70    0.007      1.174641     2.749982
       ip66c04 |    2.011801    .7162791      1.96    0.050      1.001208      4.04246
       ip67c00 |    1.355386    .6639034      0.62    0.535      .5189458     3.540003
       ip67c01 |    2.788648    1.611105      1.78    0.076      .8987172     8.652954
       ip67c02 |    3.572169    1.856717      2.45    0.014      1.289734     9.893812
       ip67c03 |     1.73823    1.137751      0.84    0.398      .4819001     6.269854
       ip67c04 |     .949927    .6770243     -0.07    0.943      .2349788     3.840181
       ip68c00 |    1.527101    .5784283      1.12    0.264      .7268646     3.208352
       ip68c01 |    1.086699    .3442287      0.26    0.793      .5840877     2.021811
       ip68c02 |    1.827582     .516982      2.13    0.033      1.049762     3.181725
       ip68c03 |    1.280765    .3555891      0.89    0.373      .7432646     2.206965
       ip68c04 |    1.061424    .1867466      0.34    0.735      .7518456     1.498473
       ip69c00 |    2.317145    .7705971      2.53    0.012      1.207466     4.446635
       ip69c01 |    2.949289    .8060842      3.96    0.000      1.726121     5.039219
       ip69c02 |    2.036804    .6536132      2.22    0.027      1.085919     3.820331
       ip69c03 |    1.284218    .3243942      0.99    0.322      .7827526     2.106943
       ip69c04 |    1.393087    .5233326      0.88    0.378      .6671331     2.909002
       ip70c00 |    2.244588    .9647783      1.88    0.060       .966651     5.211991
       ip70c01 |    1.980227    .7189724      1.88    0.060      .9719955     4.034276
       ip70c02 |    2.158078    .6868606      2.42    0.016      1.156516     4.027009
       ip70c03 |    1.538085    .5848218      1.13    0.258      .7300128     3.240637
       ip70c04 |    1.078819    .2767423      0.30    0.767      .6525229     1.783618
       ip71c00 |    2.183962    .7853472      2.17    0.030      1.079332     4.419112
       ip71c01 |    2.044314     .689086      2.12    0.034      1.055916      3.95791
       ip71c02 |    1.191368    .3406636      0.61    0.540      .6802221      2.08661
       ip71c03 |    1.668873    .4708686      1.82    0.069      .9599729     2.901268
       ip71c04 |    1.180797    .2799658      0.70    0.483      .7419185     1.879292
       ip72c00 |    1.885435     .605251      1.98    0.048      1.004995     3.537197
       ip72c01 |     1.70832    .3958131      2.31    0.021      1.084796     2.690235
       ip72c02 |    1.406872    .3610138      1.33    0.183      .8508052     2.326373
       ip72c03 |    1.655215    .3309955      2.52    0.012      1.118507      2.44946
       ip72c04 |    .8423196    .1616482     -0.89    0.371      .5782614     1.226958
       ip73c00 |     1.62484    .4479001      1.76    0.078      .9466078     2.789017
       ip73c01 |    1.258721    .3014873      0.96    0.337       .787138     2.012835
       ip73c02 |    1.462949     .287794      1.93    0.053      .9948995     2.151192
       ip73c03 |    1.566159     .265147      2.65    0.008      1.123905      2.18244
       ip73c04 |     1.11437    .2142893      0.56    0.573      .7644455     1.624473
       ip74c00 |     2.37759     .695004      2.96    0.003      1.340659     4.216533
       ip74c01 |    2.690152    .7446395      3.58    0.000      1.563732     4.627976
       ip74c02 |     1.70931     .390047      2.35    0.019      1.092912     2.673353
       ip74c03 |     1.63313    .3606146      2.22    0.026      1.059413     2.517539
       ip74c04 |    1.722128    .3243442      2.89    0.004      1.190559     2.491036
       ip75c00 |    1.926624    .4084783      3.09    0.002      1.271532      2.91922
       ip75c01 |    1.824674    .4847947      2.26    0.024      1.084004     3.071423
       ip75c02 |    1.983197    .5405676      2.51    0.012      1.162387     3.383617
       ip75c03 |    2.118612    .3974372      4.00    0.000      1.466803     3.060068
       ip75c04 |    1.057106    .2609475      0.22    0.822      .6516268     1.714899
   ia1journal2 |    .9910874    .0013181     -6.73    0.000      .9885074     .9936742
   ia1journal3 |    1.023643    .0032895      7.27    0.000      1.017216     1.030111
   ia1journal4 |    .9828123    .0026125     -6.52    0.000      .9777053      .987946
   ia1journal5 |    1.019935    .0031442      6.40    0.000      1.013791     1.026116
   ia1journal6 |    .9615888    .0025592    -14.72    0.000       .956586     .9666177
   ia1journal7 |    .9585023    .0027109    -14.99    0.000      .9532037     .9638304
   ia1journal8 |    .9978081    .0026226     -0.83    0.404      .9926811     1.002962
   ia1journal9 |    .9879378    .0024574     -4.88    0.000       .983133      .992766
  ia1journal10 |    .9828833    .0035826     -4.74    0.000      .9758865     .9899303
  ia1journal11 |    1.052798    .0038786     13.97    0.000      1.045224     1.060428
  ia1journal12 |    1.044609    .0035183     12.96    0.000      1.037736     1.051527
  ia1journal13 |    1.023414    .0061334      3.86    0.000      1.011463     1.035506
  ia1journal14 |    .8924097    .0028874    -35.18    0.000      .8867683      .898087
  ia1journal15 |    1.018097    .0034137      5.35    0.000      1.011429      1.02481
  ia1journal16 |    .9788359    .0029875     -7.01    0.000      .9729979     .9847088
  ia1journal17 |    1.060162    .0041758     14.83    0.000      1.052009     1.068378
  ia1journal18 |    .9378712    .0026126    -23.03    0.000      .9327646     .9430057
  ia1journal19 |    .9866451    .0068917     -1.92    0.054      .9732297     1.000245
  ia1journal20 |    1.010417    .0038421      2.73    0.006      1.002914     1.017975
  ia1journal21 |    1.041303    .0052885      7.97    0.000      1.030989      1.05172
  ia1journal22 |    1.076014     .005956     13.24    0.000      1.064403     1.087751
  ia1journal23 |    1.136258    .0085392     17.00    0.000      1.119644     1.153118
  ia1journal24 |    1.014227    .0036249      3.95    0.000      1.007147     1.021356
  ia1journal25 |    1.126685    .0115371     11.65    0.000      1.104298     1.149526
  ia1journal26 |    1.034353    .0040772      8.57    0.000      1.026393     1.042375
  ia1journal27 |    .9427148    .0033838    -16.43    0.000      .9361059     .9493703
  ia1journal28 |      .90207    .0025393    -36.61    0.000      .8971067     .9070607
  ia1journal30 |    .9734948    .0058291     -4.49    0.000      .9621367      .984987
  ia1journal31 |    1.015184    .0050112      3.05    0.002       1.00541     1.025054
  ia1journal32 |    1.007205    .0060697      1.19    0.234      .9953781     1.019172
  ia1journal33 |    .9633812    .0057789     -6.22    0.000       .952121     .9747745
  ia1journal34 |    .9881177    .0066383     -1.78    0.075      .9751921     1.001215
  ia1journal35 |    .9688145    .0041329     -7.43    0.000      .9607478     .9769489
  ia1journal36 |    .9768841    .0083723     -2.73    0.006      .9606118      .993432
  ia1journal37 |     1.06222    .0054603     11.74    0.000      1.051572     1.072976
  ia1journal38 |    1.002771    .0044247      0.63    0.531      .9941359     1.011481
  ia1journal39 |    1.131106    .0097465     14.30    0.000      1.112164     1.150371
  ia1journal40 |    1.059767    .0069536      8.85    0.000      1.046226     1.073484
  ia1journal41 |    1.025453    .0035614      7.24    0.000      1.018496     1.032457
  ia1journal42 |    1.057692    .0075578      7.85    0.000      1.042982     1.072609
  ia1journal43 |    .9673918    .0036707     -8.74    0.000      .9602241      .974613
  ia1journal44 |    1.105754    .0087551     12.70    0.000      1.088726     1.123047
  ia1journal45 |    1.032921    .0073884      4.53    0.000      1.018541     1.047504
  ia1journal46 |    1.039412    .0072958      5.51    0.000       1.02521      1.05381
  ia1journal47 |    1.073826    .0062637     12.21    0.000      1.061619     1.086173
  ia1journal48 |    1.084451    .0086691     10.14    0.000      1.067593     1.101576
  ia1journal49 |    1.053246    .0053688     10.18    0.000      1.042776     1.063822
  ia1journal50 |    .9713787    .0034288     -8.23    0.000      .9646816     .9781224
  ia1journal51 |    .7991171    .0079405    -22.57    0.000      .7837045     .8148327
  ia1journal52 |    .9211622    .0036907    -20.50    0.000      .9139569     .9284242
  ia1journal53 |    .9305109    .0039154    -17.12    0.000      .9228684     .9382166
  ia1journal54 |    1.006564    .0080216      0.82    0.412      .9909641      1.02241
  ia1journal55 |    .9223784    .0035542    -20.97    0.000      .9154386     .9293708
  ia1journal56 |    1.084143    .0087425     10.02    0.000      1.067143     1.101414
  ia1journal57 |    .9597188    .0034235    -11.53    0.000      .9530323     .9664522
  ia1journal58 |    1.037484    .0055444      6.89    0.000      1.026674     1.048408
  ia1journal59 |    .9763804    .0043411     -5.38    0.000       .967909      .984926
          op00 |    1.343958    .1464368      2.71    0.007      1.085523     1.663918
          os00 |     1.15131    .1871289      0.87    0.386       .837224     1.583226
          oh00 |    1.874402    .4771078      2.47    0.014      1.138149     3.086928
          om00 |    1.594532    .3382507      2.20    0.028      1.052122     2.416573
          jp95 |    .9667397    .1134579     -0.29    0.773      .7680887     1.216768
          jp00 |    1.029818    .1641293      0.18    0.854      .7535268     1.407416
          ep00 |     1.03712    .1559131      0.24    0.808      .7724413     1.392491
          jsfs |    1.308983    .1198999      2.94    0.003       1.09387     1.566398
          jsfp |    1.158041    .0742743      2.29    0.022      1.021244     1.313162
          jsfd |    1.279135    .0743082      4.24    0.000      1.141479     1.433392
           esf |    5.390901    1.907388      4.76    0.000      2.694589     10.78525
---------------+----------------------------------------------------------------
Wald chi2(318) = -9.7e+16                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        523    .8940727    .8538188        .11       3.49

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        244    1.442295    1.099192        .11       3.49

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        535    1.822804    1.096336        .11       3.49

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |         96    .4655208    .2340754        .13       1.15

. **********************************************************************;
. *** 1976-1985                                                      ***;
. **********************************************************************;
. clear;

. use region_temp;

. gen plower = 1976;

. gen pupper = 1985;

. keep if pyear >= plower & pyear <= pupper;
(42,012 observations deleted)

. * Create fixed effects for publication x citation year interactions;
. * Drop the 2005 cyear to avoid multicolinearity with the constant;
. * Don't create variables with pyear after cyear;
. * Do create variables with pyear = cyear since keeping age0 = 1 observations;
. forvalues y = 56/99 {;
  2.    forvalues x = 80/99 {;
  3.       quietly gen ip`y'c`x' = py19`y' * c`x' if
>          (`x' >= `y')
>        & (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 56/99 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip`y'c0`x' = py19`y' * c0`x' if
>          (1900 + `y' >= plower)
>        & (1900 + `y' <= pupper);
  4.    };
  5. };

. forvalues y = 0/5 {;
  2.    forvalues x = 0/4 {;
  3.       quietly gen ip0`y'c0`x' = py200`y' * c0`x' if
>          (`x' >= `y')
>        & (2000 + `y' >= plower)
>        & (2000 + `y' <= pupper);
  4.    };
  5. };

. foreach var of varlist ip* {;
  2.    capture assert !missing(`var');
  3.    if _rc {;
  4.       drop `var';
  5.    };
  6. };

. egen title = group(journal);

. rename journal smournal;

. quietly tabulate title, generate(journal);

. drop title;

. foreach var of varlist journal* {;
  2.    quietly gen ia1`var' = age * `var';
  3.    quietly gen ia2`var' = age2 * `var';
  4.    quietly gen ia3`var' = age3 * `var';
  5.    quietly gen ia4`var' = age4 * `var';
  6. };

. rename smournal journal;

. * avoid multicolinearity by dropping first journal's age profile;
.  drop ia1journal1 ia2journal1 ia3journal1 ia4journal1;

.  save region_temp_1, replace;
file region_temp_1.dta saved

. * USA;
. replace jss2 = jss2_usa;
(1,816 real changes made)

. replace es2 = es2_usa;
(555 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(5 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml cusa_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 4 groups (94 obs) dropped because of all zero outcomes
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -64082.961
Iteration 1:   log likelihood = -41399.422
Iteration 2:   log likelihood = -40277.928
Iteration 3:   log likelihood = -40249.293
Iteration 4:   log likelihood = -40248.338
Iteration 5:   log likelihood = -40248.231
Iteration 6:   log likelihood =  -40248.23

Conditional fixed-effects Poisson regression    Number of obs     =     18,342
Group variable: volume                          Number of groups  =        754

                                                Obs per group:
                                                              min =         16
                                                              avg =       24.3
                                                              max =         26

                                                Wald chi2(418)    =   39533.96
Log likelihood  =  -40248.23                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 cusa_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip76c80 |    1.682688    .0937205     17.95    0.000      1.498999     1.866377
       ip76c81 |    1.669922    .0942054     17.73    0.000      1.485283     1.854561
       ip76c82 |    1.606644    .0948232     16.94    0.000      1.420794     1.792494
       ip76c83 |      1.5593     .095264     16.37    0.000      1.372586     1.746014
       ip76c84 |    1.534621    .0954779     16.07    0.000      1.347487     1.721754
       ip76c85 |    1.499596    .0956043     15.69    0.000      1.312215     1.686977
       ip76c86 |    1.366493    .0960755     14.22    0.000      1.178188     1.554797
       ip76c87 |    1.251504    .0963587     12.99    0.000      1.062644     1.440363
       ip76c88 |    1.174415    .0963087     12.19    0.000      .9856534     1.363177
       ip76c89 |    1.153463    .0957726     12.04    0.000      .9657525     1.341174
       ip76c90 |    1.179609    .0947916     12.44    0.000      .9938205     1.365397
       ip76c91 |    1.027194    .0947997     10.84    0.000      .8413895     1.212998
       ip76c92 |    .9116325     .094522      9.64    0.000      .7263728     1.096892
       ip76c93 |    .9260643    .0931483      9.94    0.000       .743497     1.108632
       ip76c94 |    .7525441     .093213      8.07    0.000      .5698501     .9352382
       ip76c95 |      .67647     .092445      7.32    0.000      .4952812     .8576589
       ip76c96 |    .6569087    .0906521      7.25    0.000      .4792339     .8345835
       ip76c97 |    .4274204    .0919225      4.65    0.000      .2472557     .6075852
       ip76c98 |    .4896086    .0887431      5.52    0.000      .3156752     .6635419
       ip76c99 |    .4536547    .0870757      5.21    0.000      .2829894       .62432
       ip77c80 |    1.716333     .088478     19.40    0.000       1.54292     1.889747
       ip77c81 |    1.705962    .0888655     19.20    0.000      1.531788     1.880135
       ip77c82 |    1.640398    .0894557     18.34    0.000      1.465068     1.815728
       ip77c83 |    1.605651    .0898373     17.87    0.000      1.429573     1.781729
       ip77c84 |    1.594559     .090024     17.71    0.000      1.418115     1.771003
       ip77c85 |    1.598445    .0900439     17.75    0.000      1.421963     1.774928
       ip77c86 |    1.482761    .0905052     16.38    0.000      1.305374     1.660148
       ip77c87 |    1.359918    .0909256     14.96    0.000      1.181707     1.538129
       ip77c88 |    1.261508    .0911322     13.84    0.000      1.082892     1.440124
       ip77c89 |    1.211968    .0909463     13.33    0.000      1.033717      1.39022
       ip77c90 |    1.149448    .0907187     12.67    0.000      .9716425     1.327253
       ip77c91 |    .9925315    .0910385     10.90    0.000      .8140994     1.170964
       ip77c92 |    .8960946    .0908971      9.86    0.000      .7179397      1.07425
       ip77c93 |    .9217958    .0896975     10.28    0.000      .7459919       1.0976
       ip77c94 |    .7756228    .0898162      8.64    0.000      .5995862     .9516593
       ip77c95 |    .7093908    .0892345      7.95    0.000      .5344944     .8842873
       ip77c96 |    .6661673     .087934      7.58    0.000      .4938198     .8385147
       ip77c97 |    .5914853    .0877036      6.74    0.000      .4195895     .7633811
       ip77c98 |    .4125645    .0876162      4.71    0.000      .2408399     .5842892
       ip77c99 |     .416513    .0856658      4.86    0.000       .248611     .5844149
       ip78c80 |    1.655128    .0879396     18.82    0.000       1.48277     1.827487
       ip78c81 |    1.836876    .0872998     21.04    0.000      1.665771      2.00798
       ip78c82 |     1.72143    .0880725     19.55    0.000      1.548811     1.894049
       ip78c83 |     1.75181    .0881448     19.87    0.000       1.57905     1.924571
       ip78c84 |    1.734234    .0883832     19.62    0.000      1.561006     1.907462
       ip78c85 |    1.675313    .0887299     18.88    0.000      1.501406     1.849221
       ip78c86 |    1.577796    .0891728     17.69    0.000       1.40302     1.752571
       ip78c87 |    1.451669    .0896866     16.19    0.000      1.275887     1.627452
       ip78c88 |    1.390967    .0897685     15.50    0.000      1.215024      1.56691
       ip78c89 |     1.33883    .0896907     14.93    0.000       1.16304     1.514621
       ip78c90 |     1.27584     .089561     14.25    0.000      1.100304     1.451376
       ip78c91 |     1.15713    .0896815     12.90    0.000      .9813577     1.332903
       ip78c92 |    1.079515    .0894577     12.07    0.000       .904181     1.254849
       ip78c93 |     .980425    .0893163     10.98    0.000      .8053682     1.155482
       ip78c94 |    .8765898    .0891751      9.83    0.000      .7018098      1.05137
       ip78c95 |    .7933875    .0888322      8.93    0.000      .6192795     .9674955
       ip78c96 |    .7819723    .0872934      8.96    0.000      .6108805     .9530641
       ip78c97 |    .5783263    .0885144      6.53    0.000      .4048412     .7518114
       ip78c98 |    .4885056    .0873815      5.59    0.000      .3172411     .6597702
       ip78c99 |    .4529479    .0860093      5.27    0.000      .2843728      .621523
       ip79c80 |    1.053761    .0824474     12.78    0.000       .892167     1.215355
       ip79c81 |    1.450644    .0797741     18.18    0.000       1.29429     1.606999
       ip79c82 |    1.590038    .0791816     20.08    0.000      1.434844     1.745231
       ip79c83 |    1.627745    .0791569     20.56    0.000      1.472601      1.78289
       ip79c84 |     1.59733    .0794226     20.11    0.000      1.441664     1.752995
       ip79c85 |    1.558559    .0796804     19.56    0.000      1.402388      1.71473
       ip79c86 |    1.493205    .0799935     18.67    0.000      1.336421      1.64999
       ip79c87 |    1.359616    .0805659     16.88    0.000      1.201709     1.517522
       ip79c88 |    1.258733    .0809177     15.56    0.000      1.100137     1.417329
       ip79c89 |    1.254368    .0806527     15.55    0.000      1.096291     1.412444
       ip79c90 |    1.205234    .0805175     14.97    0.000      1.047422     1.363045
       ip79c91 |    1.140477    .0803593     14.19    0.000      .9829754     1.297978
       ip79c92 |    .9842695    .0806788     12.20    0.000       .826142     1.142397
       ip79c93 |     1.02438    .0796446     12.86    0.000      .8682791      1.18048
       ip79c94 |    .8813003    .0797297     11.05    0.000      .7250329     1.037568
       ip79c95 |    .8420473    .0790254     10.66    0.000      .6871603     .9969342
       ip79c96 |    .7926444    .0777603     10.19    0.000       .640237     .9450519
       ip79c97 |    .6395326    .0782699      8.17    0.000      .4861264     .7929389
       ip79c98 |    .4749673    .0775629      6.12    0.000      .3229469     .6269877
       ip79c99 |    .4957378    .0754608      6.57    0.000      .3478373     .6436383
       ip80c80 |   -.4692111    .1060128     -4.43    0.000     -.6769925    -.2614298
       ip80c81 |      1.0121    .0807145     12.54    0.000       .853903     1.170298
       ip80c82 |     1.53833     .077182     19.93    0.000      1.387056     1.689604
       ip80c83 |    1.661436    .0766204     21.68    0.000      1.511263     1.811609
       ip80c84 |    1.612793    .0768749     20.98    0.000      1.462121     1.763466
       ip80c85 |    1.634718    .0768212     21.28    0.000      1.484151     1.785284
       ip80c86 |    1.518235    .0773371     19.63    0.000      1.366657     1.669813
       ip80c87 |    1.404119    .0778248     18.04    0.000      1.251585     1.556652
       ip80c88 |    1.362296    .0779073     17.49    0.000      1.209601     1.514992
       ip80c89 |     1.36058    .0777096     17.51    0.000      1.208272     1.512888
       ip80c90 |    1.237895    .0780389     15.86    0.000      1.084942     1.390848
       ip80c91 |    1.183709    .0779279     15.19    0.000      1.030973     1.336445
       ip80c92 |    1.019279    .0783968     13.00    0.000      .8656245     1.172934
       ip80c93 |    1.069763    .0774518     13.81    0.000      .9179602     1.221566
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  ia1journal83 |   -.0299369    .0267823     -1.12    0.264     -.0824292     .0225554
  ia1journal84 |    .1982776    .0550992      3.60    0.000      .0902851     .3062701
  ia1journal85 |   -.0248783    .0252386     -0.99    0.324     -.0743451     .0245884
  ia1journal86 |   -.0455576    .0299625     -1.52    0.128      -.104283     .0131678
  ia1journal87 |    .0291712    .0260416      1.12    0.263     -.0218695     .0802118
   ia2journal2 |   -.0016547     .000222     -7.45    0.000     -.0020898    -.0012196
   ia2journal3 |   -.0006942    .0003353     -2.07    0.038     -.0013515     -.000037
   ia2journal4 |   -.0012113    .0003357     -3.61    0.000     -.0018692    -.0005533
   ia2journal5 |   -.0016907    .0002376     -7.12    0.000     -.0021564     -.001225
   ia2journal6 |    .0008896    .0005855      1.52    0.129      -.000258     .0020372
   ia2journal7 |   -.0015241     .000763     -2.00    0.046     -.0030194    -.0000287
   ia2journal8 |    .0023998    .0005645      4.25    0.000      .0012935     .0035062
   ia2journal9 |   -.0020905    .0004918     -4.25    0.000     -.0030543    -.0011266
  ia2journal10 |   -.0019728    .0003777     -5.22    0.000      -.002713    -.0012325
  ia2journal11 |    .0004822    .0004703      1.03    0.305     -.0004396      .001404
  ia2journal12 |   -.0013753    .0002982     -4.61    0.000     -.0019598    -.0007908
  ia2journal13 |   -.0057634    .0007366     -7.82    0.000     -.0072072    -.0043197
  ia2journal14 |   -.0018425    .0005269     -3.50    0.000     -.0028752    -.0008099
  ia2journal15 |    .0009896    .0010023      0.99    0.323     -.0009748      .002954
  ia2journal16 |   -.0009123    .0007156     -1.27    0.202     -.0023149     .0004903
  ia2journal17 |   -.0052853    .0015499     -3.41    0.001      -.008323    -.0022476
  ia2journal18 |   -.0024613     .000301     -8.18    0.000     -.0030512    -.0018714
  ia2journal19 |   -.0022843     .001071     -2.13    0.033     -.0043835    -.0001851
  ia2journal20 |   -.0005118    .0004904     -1.04    0.297      -.001473     .0004494
  ia2journal21 |   -.0022199     .000809     -2.74    0.006     -.0038054    -.0006343
  ia2journal22 |   -.0019908     .000343     -5.80    0.000      -.002663    -.0013186
  ia2journal23 |   -.0027838    .0006391     -4.36    0.000     -.0040364    -.0015311
  ia2journal24 |   -.0024705    .0002933     -8.42    0.000     -.0030453    -.0018956
  ia2journal25 |   -.0041721    .0007237     -5.76    0.000     -.0055906    -.0027536
  ia2journal26 |   -.0000574    .0010252     -0.06    0.955     -.0020669      .001952
  ia2journal27 |   -.0028318    .0005858     -4.83    0.000       -.00398    -.0016835
  ia2journal28 |   -.0017931    .0003061     -5.86    0.000      -.002393    -.0011932
  ia2journal29 |   -.0059465     .000706     -8.42    0.000     -.0073303    -.0045627
  ia2journal30 |   -.0029062    .0008231     -3.53    0.000     -.0045195    -.0012928
  ia2journal31 |   -.0015108    .0003523     -4.29    0.000     -.0022013    -.0008202
  ia2journal32 |   -.0007209    .0004588     -1.57    0.116     -.0016201     .0001782
  ia2journal33 |    .0003266    .0008169      0.40    0.689     -.0012745     .0019277
  ia2journal34 |   -.0008072    .0009488     -0.85    0.395     -.0026668     .0010524
  ia2journal35 |    .0030245    .0014868      2.03    0.042      .0001104     .0059386
  ia2journal36 |    .0013328    .0031921      0.42    0.676     -.0049237     .0075892
  ia2journal37 |   -.0014829    .0008864     -1.67    0.094     -.0032203     .0002544
  ia2journal38 |    -.002875    .0010056     -2.86    0.004     -.0048459    -.0009042
  ia2journal39 |   -.0014123    .0012921     -1.09    0.274     -.0039449     .0011202
  ia2journal40 |   -.0007304     .000504     -1.45    0.147     -.0017182     .0002575
  ia2journal41 |   -.0008271    .0020227     -0.41    0.683     -.0047915     .0031373
  ia2journal42 |   -.0010884    .0008749     -1.24    0.213     -.0028031     .0006263
  ia2journal43 |    .0017374    .0007781      2.23    0.026      .0002123     .0032624
  ia2journal44 |    .0069549    .0045475      1.53    0.126     -.0019581     .0158678
  ia2journal45 |   -.0004002    .0004438     -0.90    0.367       -.00127     .0004695
  ia2journal46 |   -.0013356    .0010429     -1.28    0.200     -.0033797     .0007085
  ia2journal47 |   -.0028574    .0012449     -2.30    0.022     -.0052973    -.0004174
  ia2journal48 |   -.0012283    .0023094     -0.53    0.595     -.0057547     .0032981
  ia2journal49 |   -.0031984     .000734     -4.36    0.000      -.004637    -.0017599
  ia2journal50 |    .0000173    .0026024      0.01    0.995     -.0050833      .005118
  ia2journal51 |   -.0007754    .0015973     -0.49    0.627      -.003906     .0023551
  ia2journal52 |     .000133    .0020689      0.06    0.949      -.003922     .0041881
  ia2journal53 |    -.006388    .0026266     -2.43    0.015     -.0115361      -.00124
  ia2journal54 |   -.0032556    .0006978     -4.67    0.000     -.0046233    -.0018879
  ia2journal55 |    .0007113    .0005376      1.32    0.186     -.0003423      .001765
  ia2journal56 |    -.002054    .0008245     -2.49    0.013       -.00367     -.000438
  ia2journal57 |   -.0006041    .0012087     -0.50    0.617     -.0029732     .0017649
  ia2journal58 |    .0000582    .0003355      0.17    0.862     -.0005994     .0007157
  ia2journal59 |    .0001573    .0006375      0.25    0.805     -.0010921     .0014067
  ia2journal60 |    .0005277    .0002758      1.91    0.056     -.0000128     .0010682
  ia2journal61 |   -.0013698    .0017062     -0.80    0.422      -.004714     .0019744
  ia2journal62 |   -.0005149    .0005444     -0.95    0.344     -.0015819     .0005521
  ia2journal63 |   -.0010559     .002086     -0.51    0.613     -.0051443     .0030325
  ia2journal64 |   -.0017345    .0003437     -5.05    0.000     -.0024082    -.0010609
  ia2journal65 |   -.0036586     .001898     -1.93    0.054     -.0073786     .0000614
  ia2journal66 |   -.0038636     .001202     -3.21    0.001     -.0062195    -.0015076
  ia2journal67 |   -.0030998    .0004367     -7.10    0.000     -.0039558    -.0022439
  ia2journal68 |    .0001613    .0003184      0.51    0.612     -.0004627     .0007853
  ia2journal69 |   -.0022703    .0004158     -5.46    0.000     -.0030853    -.0014553
  ia2journal70 |   -.0083558    .0032925     -2.54    0.011     -.0148091    -.0019026
  ia2journal71 |   -.0012759    .0004298     -2.97    0.003     -.0021183    -.0004334
  ia2journal72 |   -.0001219    .0007726     -0.16    0.875     -.0016362     .0013923
  ia2journal73 |    .0001751    .0004509      0.39    0.698     -.0007086     .0010588
  ia2journal74 |    .0020749    .0005436      3.82    0.000      .0010095     .0031404
  ia2journal75 |    -.007015    .0104662     -0.67    0.503     -.0275283     .0134983
  ia2journal76 |   -.0034705    .0008744     -3.97    0.000     -.0051843    -.0017567
  ia2journal77 |    -.003801    .0013132     -2.89    0.004     -.0063748    -.0012272
  ia2journal78 |    .0009717    .0009237      1.05    0.293     -.0008388     .0027822
  ia2journal79 |   -.0012626    .0006513     -1.94    0.053     -.0025391     .0000139
  ia2journal80 |   -.0017131    .0011134     -1.54    0.124     -.0038953     .0004691
  ia2journal81 |    .0017448    .0017893      0.98    0.329     -.0017621     .0052516
  ia2journal82 |    .0004695    .0003861      1.22    0.224     -.0002873     .0012263
  ia2journal83 |      .00126    .0010833      1.16    0.245     -.0008633     .0033833
  ia2journal84 |   -.0091923    .0026173     -3.51    0.000     -.0143221    -.0040625
  ia2journal85 |   -.0015274    .0012773     -1.20    0.232      -.004031     .0009761
  ia2journal86 |    .0024062    .0013434      1.79    0.073     -.0002268     .0050392
  ia2journal87 |   -.0022362    .0010264     -2.18    0.029      -.004248    -.0002245
          op00 |    .1070301    .0296772      3.61    0.000       .048864     .1651963
          os00 |    .0111349     .035163      0.32    0.751     -.0577832     .0800531
          oh00 |   -.0012158    .0454961     -0.03    0.979     -.0903866     .0879549
          om00 |   -.0251644     .049635     -0.51    0.612     -.1224471     .0721184
          jp95 |   -.0058795    .0218252     -0.27    0.788     -.0486561     .0368971
          jp00 |   -.0207459    .0275198     -0.75    0.451     -.0746837     .0331919
          ep00 |   -.0988759    .0431949     -2.29    0.022     -.1835363    -.0142155
          jsfs |    .0137827    .0038777      3.55    0.000      .0061826     .0213828
          jsfp |    .0032003    .0049443      0.65    0.517     -.0064904      .012891
          jsfd |    .0160759    .0042348      3.80    0.000      .0077759      .024376
           esf |   -.2389202    .0793532     -3.01    0.003     -.3944496    -.0833908
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 cusa_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
cusa_sing_auth |
       ip76c80 |    5.379997    .8575178     10.56    0.000      3.936489     7.352839
       ip76c81 |    5.311755    .8059787     11.01    0.000      3.945309     7.151465
       ip76c82 |    4.986048    .7642075     10.48    0.000      3.692271     6.733168
       ip76c83 |    4.755492    .7122813     10.41    0.000      3.545699     6.378067
       ip76c84 |    4.639565    .6540309     10.89    0.000      3.519533      6.11603
       ip76c85 |    4.479879    .6344151     10.59    0.000      3.394094      5.91301
       ip76c86 |    3.921573    .5665846      9.46    0.000       2.95447     5.205243
       ip76c87 |    3.495595    .5065472      8.64    0.000      2.631318      4.64375
       ip76c88 |    3.236249     .439551      8.65    0.000      2.479881     4.223311
       ip76c89 |    3.169149    .4806124      7.61    0.000      2.354264     4.266093
       ip76c90 |    3.253101    .4773774      8.04    0.000      2.439988     4.337179
       ip76c91 |    2.793216    .3973358      7.22    0.000       2.11359     3.691375
       ip76c92 |    2.488381    .3772986      6.01    0.000      1.848648     3.349497
       ip76c93 |    2.524554    .3420367      6.84    0.000        1.9358     3.292372
       ip76c94 |    2.122393    .2958973      5.40    0.000      1.614931     2.789315
       ip76c95 |    1.966922    .2523654      5.27    0.000      1.529586       2.5293
       ip76c96 |    1.928821    .2659054      4.77    0.000      1.472129     2.527189
       ip76c97 |    1.533297    .2082626      3.15    0.002      1.174926     2.000977
       ip76c98 |    1.631677    .1529738      5.22    0.000      1.357788     1.960815
       ip76c99 |    1.574054    .2037208      3.51    0.000      1.221388     2.028551
       ip77c80 |    5.564089    .9845675      9.70    0.000       3.93345     7.870721
       ip77c81 |    5.506678    .8567508     10.96    0.000      4.059349     7.470042
       ip77c82 |    5.157222    .8474567      9.98    0.000      3.737169     7.116868
       ip77c83 |    4.981099    .8247876      9.70    0.000      3.600645     6.890807
       ip77c84 |    4.926155    .8339174      9.42    0.000      3.535197       6.8644
       ip77c85 |    4.945339    .7766157     10.18    0.000      3.635159     6.727732
       ip77c86 |    4.405091    .7860233      8.31    0.000      3.105064     6.249413
       ip77c87 |    3.895873      .62048      8.54    0.000      2.851264     5.323193
       ip77c88 |    3.530743    .5455131      8.16    0.000      2.608268     4.779472
       ip77c89 |    3.360091    .5300063      7.68    0.000      2.466529     4.577369
       ip77c90 |    3.156449     .533459      6.80    0.000      2.266421     4.395993
       ip77c91 |    2.698056    .4073041      6.57    0.000      2.007021     3.627021
       ip77c92 |    2.450016    .3970171      5.53    0.000      1.783342     3.365917
       ip77c93 |    2.513801    .4171408      5.55    0.000      1.815859     3.480002
       ip77c94 |    2.171944    .3066698      5.49    0.000      1.646882     2.864408
       ip77c95 |    2.032753    .3094281      4.66    0.000       1.50839       2.7394
       ip77c96 |    1.946762    .2818443      4.60    0.000      1.465815      2.58551
       ip77c97 |     1.80667    .2511046      4.26    0.000      1.375854     2.372385
       ip77c98 |    1.510687    .1870691      3.33    0.001       1.18514     1.925658
       ip77c99 |    1.516664    .1963433      3.22    0.001      1.176779     1.954716
       ip78c80 |     5.23375    .6900631     12.55    0.000      4.041878     6.777083
       ip78c81 |    6.276897    .9565084     12.05    0.000      4.656228     8.461665
       ip78c82 |    5.592522    .7676384     12.54    0.000      4.273369     7.318885
       ip78c83 |    5.765029    .8490529     11.89    0.000      4.319561     7.694199
       ip78c84 |    5.664587     .759924     12.93    0.000      4.354884     7.368174
       ip78c85 |    5.340468    .7394472     12.10    0.000      4.071186     7.005476
       ip78c86 |    4.844266    .6847859     11.16    0.000      3.671994      6.39078
       ip78c87 |    4.270236     .591894     10.47    0.000      3.254375     5.603202
       ip78c88 |    4.018735    .5344955     10.46    0.000      3.096555     5.215548
       ip78c89 |     3.81458    .5034529     10.14    0.000      2.945127     4.940709
       ip78c90 |    3.581708    .4681489      9.76    0.000      2.772257     4.627505
       ip78c91 |    3.180792    .4021356      9.15    0.000      2.482681     4.075205
       ip78c92 |    2.943251    .3742064      8.49    0.000      2.294062     3.776153
       ip78c93 |    2.665589    .3280484      7.97    0.000      2.094294     3.392726
       ip78c94 |    2.402692    .2935448      7.17    0.000      1.891055     3.052757
       ip78c95 |    2.210873    .2766531      6.34    0.000      1.730017     2.825382
       ip78c96 |    2.185779     .265264      6.44    0.000      1.723079     2.772728
       ip78c97 |    1.783052    .2119768      4.86    0.000      1.412438     2.250911
       ip78c98 |    1.629879    .2068705      3.85    0.000      1.270918     2.090225
       ip78c99 |    1.572942    .1605583      4.44    0.000      1.287734     1.921318
       ip79c80 |    2.868419    .5388002      5.61    0.000       1.98497     4.145064
       ip79c81 |    4.265863    .8653224      7.15    0.000      2.866436     6.348506
       ip79c82 |    4.903933    .9468257      8.24    0.000      3.358915     7.159621
       ip79c83 |     5.09238    .9750339      8.50    0.000      3.498984      7.41139
       ip79c84 |    4.939825     .953097      8.28    0.000      3.384383     7.210139
       ip79c85 |    4.751969    .9545652      7.76    0.000      3.205428     7.044677
       ip79c86 |     4.45134    .8151433      8.15    0.000      3.108967     6.373316
       ip79c87 |    3.894696    .7224161      7.33    0.000      2.707613     5.602225
       ip79c88 |    3.520957    .6665219      6.65    0.000      2.429558     5.102633
       ip79c89 |    3.505621    .6407566      6.86    0.000      2.450092     5.015882
       ip79c90 |    3.337539    .6062668      6.63    0.000      2.337787     4.764835
       ip79c91 |    3.128259    .5504305      6.48    0.000      2.215798      4.41647
       ip79c92 |    2.675856    .4176752      6.31    0.000        1.9706     3.633516
       ip79c93 |    2.785367    .5171761      5.52    0.000      1.935685     4.008023
       ip79c94 |    2.414037    .3614574      5.89    0.000      1.800081     3.237394
       ip79c95 |    2.321114    .3468486      5.63    0.000      1.731808     3.110951
       ip79c96 |    2.209231    .3515503      4.98    0.000      1.617302     3.017804
       ip79c97 |    1.895595    .2965954      4.09    0.000       1.39496     2.575902
       ip79c98 |    1.607962    .1884087      4.05    0.000      1.278022      2.02308
       ip79c99 |    1.641709    .2138686      3.81    0.000       1.27177     2.119258
       ip80c80 |    .6254955    .1126179     -2.61    0.009      .4395101     .8901834
       ip80c81 |    2.751374    .3692433      7.54    0.000      2.115026     3.579181
       ip80c82 |    4.656808    .5893658     12.15    0.000      3.633794      5.96783
       ip80c83 |    5.266869    .7260958     12.05    0.000      4.019805     6.900808
       ip80c84 |    5.016806    .6699953     12.08    0.000      3.861439     6.517866
       ip80c85 |    5.128009    .7171233     11.69    0.000      3.898639      6.74504
       ip80c86 |    4.564163    .6320394     10.96    0.000      3.479268     5.987347
       ip80c87 |    4.071936    .5970465      9.58    0.000      3.054877     5.427604
       ip80c88 |    3.905151    .5265992     10.10    0.000      2.998165     5.086512
       ip80c89 |    3.898454    .5063749     10.47    0.000      3.022239     5.028704
       ip80c90 |    3.448347    .4853809      8.79    0.000      2.616965      4.54385
       ip80c91 |    3.266467    .4079695      9.48    0.000       2.55721      4.17244
       ip80c92 |    2.771197    .3555059      7.95    0.000      2.155113     3.563401
       ip80c93 |    2.914688    .3443465      9.05    0.000      2.312223     3.674131
       ip80c94 |     2.43634    .2711561      8.00    0.000      1.958854     3.030216
       ip80c95 |    2.232644    .2799625      6.41    0.000      1.746156      2.85467
       ip80c96 |    2.246795     .244346      7.44    0.000      1.815485     2.780573
       ip80c97 |    1.918466    .2280536      5.48    0.000       1.51974     2.421803
       ip80c98 |    1.816932    .1777839      6.10    0.000      1.499858     2.201038
       ip80c99 |    1.681277    .1555901      5.61    0.000      1.402383     2.015634
       ip81c81 |    .5658868     .100617     -3.20    0.001      .3993765     .8018197
       ip81c82 |    2.722281    .3497546      7.79    0.000      2.116274     3.501822
       ip81c83 |    4.467818    .5428064     12.32    0.000      3.521121     5.669048
       ip81c84 |    4.914902    .5716373     13.69    0.000      3.913039     6.173273
       ip81c85 |    5.219735    .6485263     13.30    0.000      4.091579     6.658955
       ip81c86 |    4.752078    .5950412     12.45    0.000      3.717908     6.073913
       ip81c87 |    4.459288    .5156097     12.93    0.000       3.55504     5.593538
       ip81c88 |    4.010846    .5446484     10.23    0.000      3.073604     5.233882
       ip81c89 |    3.764024     .441645     11.30    0.000      2.990737     4.737254
       ip81c90 |     3.74844     .481612     10.28    0.000      2.913972     4.821873
       ip81c91 |     3.28382    .4256121      9.17    0.000      2.547159     4.233529
       ip81c92 |    3.084683    .3972877      8.75    0.000      2.396521     3.970452
       ip81c93 |    2.941598    .3619039      8.77    0.000      2.311321     3.743746
       ip81c94 |    2.506201    .2669612      8.63    0.000      2.033975     3.088062
       ip81c95 |    2.334125    .2686308      7.37    0.000      1.862776     2.924742
       ip81c96 |    2.245494    .2310998      7.86    0.000      1.835307     2.747358
       ip81c97 |    1.905072    .2059178      5.96    0.000      1.541365       2.3546
       ip81c98 |    1.757172     .176027      5.63    0.000      1.443923     2.138378
       ip81c99 |    1.616004    .1492257      5.20    0.000      1.348467      1.93662
       ip82c82 |    .6577023    .1135037     -2.43    0.015      .4689563      .922415
       ip82c83 |    2.886352    .3590586      8.52    0.000      2.261835     3.683306
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  ia2journal18 |    .9975417    .0001112    -22.08    0.000      .9973238     .9977597
  ia2journal19 |    .9977183    .0002045    -11.15    0.000      .9973176     .9981192
  ia2journal20 |    .9994884    .0000954     -5.36    0.000      .9993014     .9996754
  ia2journal21 |    .9977826    .0000682    -32.47    0.000      .9976489     .9979163
  ia2journal22 |    .9980112    .0002082     -9.54    0.000      .9976032     .9984194
  ia2journal23 |    .9972201    .0003777     -7.35    0.000      .9964802     .9979606
  ia2journal24 |    .9975326    .0001599    -15.41    0.000      .9972193      .997846
  ia2journal25 |    .9958366    .0001707    -24.33    0.000       .995502     .9961713
  ia2journal26 |    .9999426    .0002178     -0.26    0.792      .9995158     1.000369
  ia2journal27 |    .9971723    .0002135    -13.22    0.000      .9967538     .9975909
  ia2journal28 |    .9982085     .000207     -8.65    0.000      .9978028     .9986144
  ia2journal29 |    .9940711    .0002677    -22.08    0.000      .9935466     .9945959
  ia2journal30 |    .9970981    .0002151    -13.47    0.000      .9966767     .9975196
  ia2journal31 |    .9984904    .0001942     -7.77    0.000      .9981099      .998871
  ia2journal32 |    .9992793    .0002149     -3.35    0.001      .9988582     .9997006
  ia2journal33 |    1.000327    .0001133      2.88    0.004      1.000105     1.000549
  ia2journal34 |    .9991931    .0000985     -8.19    0.000          .999     .9993863
  ia2journal35 |    1.003029    .0005914      5.13    0.000      1.001871     1.004189
  ia2journal36 |    1.001334    .0002122      6.29    0.000      1.000918      1.00175
  ia2journal37 |    .9985182    .0002463     -6.01    0.000      .9980355     .9990011
  ia2journal38 |    .9971291    .0003237     -8.86    0.000      .9964949     .9977637
  ia2journal39 |    .9985887    .0002381     -5.92    0.000      .9981221     .9990554
  ia2journal40 |    .9992699    .0002508     -2.91    0.004      .9987785     .9997615
  ia2journal41 |    .9991732    .0002265     -3.65    0.000      .9987293     .9996173
  ia2journal42 |    .9989122    .0004387     -2.48    0.013      .9980528     .9997724
  ia2journal43 |    1.001739    .0003792      4.59    0.000      1.000996     1.002482
  ia2journal44 |    1.006979    .0003936     17.79    0.000      1.006208     1.007751
  ia2journal45 |    .9995999    .0002746     -1.46    0.145      .9990619     1.000138
  ia2journal46 |    .9986653    .0002655     -5.02    0.000       .998145     .9991858
  ia2journal47 |    .9971467    .0007852     -3.63    0.000       .995609     .9986869
  ia2journal48 |    .9987724    .0004893     -2.51    0.012      .9978139     .9997319
  ia2journal49 |    .9968067    .0002622    -12.16    0.000      .9962929     .9973206
  ia2journal50 |    1.000017    .0002757      0.06    0.950      .9994771     1.000558
  ia2journal51 |    .9992249    .0006199     -1.25    0.211      .9980106     1.000441
  ia2journal52 |    1.000133    .0005016      0.27    0.791      .9991503     1.001117
  ia2journal53 |    .9936323    .0004689    -13.54    0.000      .9927137     .9945518
  ia2journal54 |    .9967497     .000398     -8.15    0.000        .99597       .99753
  ia2journal55 |    1.000712    .0006482      1.10    0.272      .9994419     1.001983
  ia2journal56 |    .9979481    .0006999     -2.93    0.003      .9965773     .9993208
  ia2journal57 |     .999396    .0005299     -1.14    0.255       .998358     1.000435
  ia2journal58 |    1.000058    .0003557      0.16    0.870      .9993612     1.000756
  ia2journal59 |    1.000157     .000372      0.42    0.672      .9994286     1.000887
  ia2journal60 |    1.000528    .0003324      1.59    0.112      .9998766      1.00118
  ia2journal61 |    .9986311    .0007429     -1.84    0.066      .9971761     1.000088
  ia2journal62 |    .9994852    .0003681     -1.40    0.162       .998764     1.000207
  ia2journal63 |    .9989447    .0007223     -1.46    0.144      .9975299     1.000361
  ia2journal64 |     .998267    .0002411     -7.18    0.000      .9977945     .9987396
  ia2journal65 |    .9963481    .0004501     -8.10    0.000      .9954664     .9972307
  ia2journal66 |    .9961439    .0002247    -17.13    0.000      .9957036     .9965844
  ia2journal67 |    .9969049     .000234    -13.21    0.000      .9964464     .9973637
  ia2journal68 |    1.000161    .0001862      0.87    0.386      .9997965     1.000526
  ia2journal69 |    .9977323    .0003365     -6.73    0.000      .9970729     .9983921
  ia2journal70 |     .991679     .000462    -17.93    0.000      .9907738      .992585
  ia2journal71 |     .998725    .0003504     -3.64    0.000      .9980385     .9994119
  ia2journal72 |    .9998781    .0002172     -0.56    0.575      .9994524     1.000304
  ia2journal73 |    1.000175     .000369      0.47    0.635      .9994522     1.000899
  ia2journal74 |    1.002077    .0001761     11.81    0.000      1.001732     1.002422
  ia2journal75 |    .9930095    .0006391    -10.90    0.000      .9917578     .9942629
  ia2journal76 |    .9965355     .000341    -10.14    0.000      .9958673     .9972041
  ia2journal77 |    .9962063    .0003567    -10.61    0.000      .9955073     .9969057
  ia2journal78 |    1.000972    .0003465      2.81    0.005      1.000293     1.001652
  ia2journal79 |    .9987382    .0003906     -3.23    0.001      .9979728     .9995041
  ia2journal80 |    .9982883    .0001966     -8.70    0.000      .9979031     .9986738
  ia2journal81 |    1.001746    .0003203      5.46    0.000      1.001119     1.002374
  ia2journal82 |     1.00047    .0001891      2.48    0.013      1.000099      1.00084
  ia2journal83 |    1.001261    .0001866      6.76    0.000      1.000895     1.001627
  ia2journal84 |    .9908498    .0005405    -16.85    0.000       .989791     .9919097
  ia2journal85 |    .9984737    .0003284     -4.64    0.000      .9978303     .9991175
  ia2journal86 |    1.002409    .0006358      3.79    0.000      1.001164     1.003656
  ia2journal87 |    .9977663    .0002038    -10.95    0.000      .9973669     .9981658
          op00 |    1.112968    .0822672      1.45    0.148      .9628627     1.286473
          os00 |    1.011197    .0571592      0.20    0.844      .9051501     1.129669
          oh00 |    .9987849    .0780276     -0.02    0.988      .8569865     1.164046
          om00 |    .9751496    .0686794     -0.36    0.721      .8494181     1.119492
          jp95 |    .9941378    .0302907     -0.19    0.847       .936507     1.055315
          jp00 |    .9794678    .0582208     -0.35    0.727      .8717535     1.100491
          ep00 |    .9058551    .0517239     -1.73    0.083      .8099451     1.013122
          jsfs |    1.013878     .010438      1.34    0.181      .9936249     1.034544
          jsfp |    1.003205    .0108115      0.30    0.766      .9822375     1.024621
          jsfd |    1.016206    .0078503      2.08    0.037      1.000935     1.031709
           esf |    .7874777     .129773     -1.45    0.147      .5701169     1.087709
---------------+----------------------------------------------------------------
Wald chi2(418) = -1.1e+18                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        856    4.981729    3.096686        .17      10.96

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        266    6.872406    3.149982        .17      10.96

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        694    6.125821    3.869381        .17      10.96

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |        555    .4799279    .1951876        .18       1.15

. * English;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eng;
(1,816 real changes made)

. replace es2 = es2_eng;
(555 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(5 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceng_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 12 groups (284 obs) dropped because of all zero outcomes
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -35863.876
Iteration 1:   log likelihood = -29986.271
Iteration 2:   log likelihood = -29544.228
Iteration 3:   log likelihood = -29524.861
Iteration 4:   log likelihood = -29524.685
Iteration 5:   log likelihood = -29524.684

Conditional fixed-effects Poisson regression    Number of obs     =     18,152
Group variable: volume                          Number of groups  =        746

                                                Obs per group:
                                                              min =         16
                                                              avg =       24.3
                                                              max =         26

                                                Wald chi2(418)    =   10228.98
Log likelihood  = -29524.684                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceng_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip76c80 |    1.277238    .1576644      8.10    0.000      .9682217     1.586255
       ip76c81 |    1.324163     .158474      8.36    0.000       1.01356     1.634767
       ip76c82 |     1.29825    .1597481      8.13    0.000      .9851491      1.61135
       ip76c83 |    1.236195    .1611425      7.67    0.000      .9203621     1.552029
       ip76c84 |    1.183585    .1622259      7.30    0.000      .8656277     1.501542
       ip76c85 |    1.119701    .1631726      6.86    0.000       .799889     1.439514
       ip76c86 |    1.046848    .1639581      6.38    0.000      .7254956       1.3682
       ip76c87 |    1.205654    .1620353      7.44    0.000       .888071     1.523238
       ip76c88 |    .7563567    .1666917      4.54    0.000       .429647     1.083067
       ip76c89 |    .7367207    .1660266      4.44    0.000      .4113145     1.062127
       ip76c90 |     .736109    .1647602      4.47    0.000       .413185     1.059033
       ip76c91 |    .7256552    .1633142      4.44    0.000      .4055652     1.045745
       ip76c92 |    .5625687    .1640213      3.43    0.001      .2410927     .8840446
       ip76c93 |    .4489316    .1638979      2.74    0.006      .1276976     .7701657
       ip76c94 |    .4239464    .1619074      2.62    0.009      .1066137     .7412791
       ip76c95 |     .626856     .155417      4.03    0.000      .3222443     .9314677
       ip76c96 |    .5797119     .152646      3.80    0.000      .2805313     .8788925
       ip76c97 |    .5035255    .1513197      3.33    0.001      .2069444     .8001066
       ip76c98 |    .4962431    .1477085      3.36    0.001      .2067397     .7857465
       ip76c99 |    .3626215    .1456093      2.49    0.013      .0772324     .6480106
       ip77c80 |    1.062097     .142308      7.46    0.000       .783179     1.341016
       ip77c81 |    1.165323    .1423759      8.18    0.000      .8862717     1.444375
       ip77c82 |    1.048662    .1444324      7.26    0.000      .7655793     1.331744
       ip77c83 |    .9514451    .1462508      6.51    0.000      .6647987     1.238092
       ip77c84 |    1.154276    .1448822      7.97    0.000      .8703116     1.438239
       ip77c85 |      .90124    .1478339      6.10    0.000      .6114909     1.190989
       ip77c86 |    .7863432    .1493486      5.27    0.000      .4936252     1.079061
       ip77c87 |    .8967954    .1479584      6.06    0.000      .6068023     1.186789
       ip77c88 |     .693383    .1500519      4.62    0.000      .3992867     .9874794
       ip77c89 |    .7040257    .1492396      4.72    0.000      .4115215     .9965299
       ip77c90 |    .5430995    .1505328      3.61    0.000      .2480605     .8381384
       ip77c91 |    .5198835    .1496156      3.47    0.001      .2266423     .8131248
       ip77c92 |    .5104261    .1481948      3.44    0.001      .2199697     .8008825
       ip77c93 |    .2973401    .1499954      1.98    0.047      .0033546     .5913256
       ip77c94 |    .3105121    .1476268      2.10    0.035      .0211689     .5998552
       ip77c95 |    .4308763    .1430921      3.01    0.003      .1504209     .7113317
       ip77c96 |    .3536443    .1411904      2.50    0.012      .0769162     .6303725
       ip77c97 |     .261317    .1406903      1.86    0.063     -.0144308     .5370648
       ip77c98 |    .2463824    .1375835      1.79    0.073     -.0232763     .5160411
       ip77c99 |    .1710141    .1343897      1.27    0.203     -.0923849      .434413
       ip78c80 |     1.27501    .1493516      8.54    0.000      .9822861     1.567734
       ip78c81 |    1.409638    .1487743      9.48    0.000      1.118046      1.70123
       ip78c82 |    1.312148    .1504414      8.72    0.000      1.017289     1.607008
       ip78c83 |    1.472582    .1496783      9.84    0.000      1.179218     1.765947
       ip78c84 |    1.430251    .1506612      9.49    0.000       1.13496     1.725542
       ip78c85 |    1.368077    .1516984      9.02    0.000      1.070753       1.6654
       ip78c86 |    1.237107    .1532727      8.07    0.000      .9366982     1.537516
       ip78c87 |    1.263861    .1530958      8.26    0.000      .9637988     1.563923
       ip78c88 |     1.05402    .1552559      6.79    0.000      .7497237     1.358316
       ip78c89 |    .9439961    .1562502      6.04    0.000      .6377512     1.250241
       ip78c90 |    .9646267    .1553316      6.21    0.000      .6601824     1.269071
       ip78c91 |    .8422618    .1560936      5.40    0.000      .5363239       1.1482
       ip78c92 |    .9658443    .1532356      6.30    0.000       .665508     1.266181
       ip78c93 |    .6408479    .1566927      4.09    0.000      .3337359     .9479599
       ip78c94 |    .8581263     .151594      5.66    0.000      .5610075     1.155245
       ip78c95 |    .8354502    .1500183      5.57    0.000      .5414197     1.129481
       ip78c96 |    .7739734    .1482131      5.22    0.000      .4834811     1.064466
       ip78c97 |    .8050151    .1460047      5.51    0.000       .518851     1.091179
       ip78c98 |    .7317791    .1442234      5.07    0.000      .4491065     1.014452
       ip78c99 |    .4032333     .146477      2.75    0.006      .1161437     .6903229
       ip79c80 |    .4143616    .1442144      2.87    0.004      .1317066     .6970166
       ip79c81 |    1.106436    .1347313      8.21    0.000      .8423674     1.370504
       ip79c82 |     1.17483    .1344907      8.74    0.000      .9112326     1.438426
       ip79c83 |    1.279764    .1340252      9.55    0.000       1.01708     1.542449
       ip79c84 |    1.113586    .1360439      8.19    0.000      .8469447     1.380227
       ip79c85 |     1.28388    .1348857      9.52    0.000      1.019509     1.548251
       ip79c86 |    1.033255    .1375365      7.51    0.000      .7636888     1.302822
       ip79c87 |    1.044505    .1375394      7.59    0.000      .7749331     1.314078
       ip79c88 |    .9768962    .1381826      7.07    0.000      .7060633     1.247729
       ip79c89 |    .8767467    .1390196      6.31    0.000      .6042734      1.14922
       ip79c90 |    .8239296    .1391221      5.92    0.000      .5512553     1.096604
       ip79c91 |    .6416729    .1407449      4.56    0.000      .3658179      .917528
       ip79c92 |    .6648935    .1393798      4.77    0.000      .3917142     .9380728
       ip79c93 |    .6376217    .1384743      4.60    0.000       .366217     .9090264
       ip79c94 |    .7348768    .1356134      5.42    0.000      .4690795     1.000674
       ip79c95 |    .6246487    .1353488      4.62    0.000        .35937     .8899274
       ip79c96 |    .6562259    .1321873      4.96    0.000      .3971435     .9153083
       ip79c97 |    .5839356    .1316763      4.43    0.000      .3258547     .8420165
       ip79c98 |    .6349433    .1280723      4.96    0.000      .3839262     .8859604
       ip79c99 |    .3990951     .127648      3.13    0.002      .1489095     .6492806
       ip80c80 |   -1.055728     .189979     -5.56    0.000      -1.42808    -.6833754
       ip80c81 |    .6262776    .1368145      4.58    0.000       .358126     .8944291
       ip80c82 |     1.18686    .1303352      9.11    0.000      .9314081     1.442313
       ip80c83 |    1.314139    .1294182     10.15    0.000      1.060484     1.567794
       ip80c84 |    1.214792    .1304972      9.31    0.000      .9590225     1.470562
       ip80c85 |    1.213916    .1307928      9.28    0.000      .9575667     1.470265
       ip80c86 |    1.169148     .131449      8.89    0.000      .9115123     1.426783
       ip80c87 |    1.223994    .1311541      9.33    0.000      .9669366     1.481051
       ip80c88 |    .9773731    .1335593      7.32    0.000      .7156015     1.239145
       ip80c89 |      .93878    .1338717      7.01    0.000      .6763963     1.201164
       ip80c90 |    .8834027    .1342046      6.58    0.000      .6203664     1.146439
       ip80c91 |    .9206911    .1333005      6.91    0.000      .6594269     1.181955
       ip80c92 |    .8952623    .1328836      6.74    0.000      .6348153     1.155709
       ip80c93 |     .743568    .1337886      5.56    0.000      .4813471     1.005789
       ip80c94 |    .6797751    .1334951      5.09    0.000      .4181295     .9414208
       ip80c95 |    .6732732    .1322335      5.09    0.000      .4141004     .9324461
       ip80c96 |    .7262862    .1292322      5.62    0.000      .4729958     .9795767
       ip80c97 |    .6838671    .1287115      5.31    0.000      .4315973     .9361369
       ip80c98 |    .6539145    .1267079      5.16    0.000      .4055717     .9022574
       ip80c99 |    .5108607    .1249408      4.09    0.000      .2659812     .7557402
       ip81c81 |   -1.245122    .1954866     -6.37    0.000     -1.628269    -.8619753
       ip81c82 |    .4503875    .1348272      3.34    0.001      .1861311     .7146439
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   ia2journal7 |    .0004501    .0011056      0.41    0.684     -.0017169     .0026171
   ia2journal8 |    .0019811    .0008873      2.23    0.026       .000242     .0037202
   ia2journal9 |    .0002322    .0005613      0.41    0.679      -.000868     .0013323
  ia2journal10 |    .0020983    .0005774      3.63    0.000      .0009666       .00323
  ia2journal11 |    .0013404    .0008162      1.64    0.101     -.0002593       .00294
  ia2journal12 |   -.0004677    .0005816     -0.80    0.421     -.0016076     .0006721
  ia2journal13 |   -.0008443    .0012708     -0.66    0.506      -.003335     .0016464
  ia2journal14 |   -.0010667    .0011124     -0.96    0.338     -.0032469     .0011135
  ia2journal15 |    .0031302    .0007381      4.24    0.000      .0016837     .0045768
  ia2journal16 |    .0025654    .0007796      3.29    0.001      .0010374     .0040934
  ia2journal17 |   -.0081204    .0037758     -2.15    0.032     -.0155208    -.0007201
  ia2journal18 |   -.0021802    .0006336     -3.44    0.001      -.003422    -.0009385
  ia2journal19 |   -.0016915    .0020164     -0.84    0.402     -.0056435     .0022606
  ia2journal20 |     .000421    .0007899      0.53    0.594     -.0011271     .0019692
  ia2journal21 |    .0025452    .0007738      3.29    0.001      .0010286     .0040618
  ia2journal22 |   -.0033018     .000726     -4.55    0.000     -.0047247    -.0018789
  ia2journal23 |   -.0039165    .0012516     -3.13    0.002     -.0063696    -.0014635
  ia2journal24 |   -.0025943    .0005296     -4.90    0.000     -.0036322    -.0015564
  ia2journal25 |   -.0003774    .0013872     -0.27    0.786     -.0030963     .0023415
  ia2journal26 |    .0013972    .0019672      0.71    0.478     -.0024584     .0052529
  ia2journal27 |   -.0001798    .0013113     -0.14    0.891     -.0027498     .0023903
  ia2journal28 |   -.0020378    .0005856     -3.48    0.001     -.0031855    -.0008901
  ia2journal29 |   -.0026937    .0012625     -2.13    0.033     -.0051681    -.0002193
  ia2journal30 |   -.0000571    .0011233     -0.05    0.959     -.0022588     .0021446
  ia2journal31 |   -.0025306    .0008743     -2.89    0.004     -.0042442     -.000817
  ia2journal32 |    -.004512    .0011596     -3.89    0.000     -.0067848    -.0022393
  ia2journal33 |    .0035229    .0011034      3.19    0.001      .0013603     .0056855
  ia2journal34 |    .0020404    .0009292      2.20    0.028      .0002193     .0038616
  ia2journal35 |    .0014946     .001805      0.83    0.408     -.0020431     .0050323
  ia2journal36 |   -.0025553    .0017737     -1.44    0.150     -.0060316      .000921
  ia2journal37 |   -.0012709    .0015827     -0.80    0.422      -.004373     .0018312
  ia2journal38 |   -.0000577    .0009517     -0.06    0.952      -.001923     .0018075
  ia2journal39 |   -.0026178    .0023129     -1.13    0.258     -.0071509     .0019154
  ia2journal40 |    .0005934    .0011028      0.54    0.591     -.0015681     .0027549
  ia2journal41 |    .0023891    .0015752      1.52    0.129     -.0006981     .0054764
  ia2journal42 |   -.0015826    .0011272     -1.40    0.160     -.0037918     .0006266
  ia2journal43 |    .0003295    .0013121      0.25    0.802     -.0022422     .0029011
  ia2journal44 |   -.0002433    .0074312     -0.03    0.974     -.0148082     .0143216
  ia2journal45 |   -.0019301    .0008161     -2.37    0.018     -.0035296    -.0003306
  ia2journal46 |   -.0011276    .0017762     -0.63    0.526     -.0046089     .0023537
  ia2journal47 |   -.0025465    .0035524     -0.72    0.473     -.0095091     .0044161
  ia2journal48 |    .0064187    .0053723      1.19    0.232     -.0041108     .0169482
  ia2journal49 |    -.006121    .0019739     -3.10    0.002     -.0099898    -.0022522
  ia2journal50 |    .0067194    .0012239      5.49    0.000      .0043206     .0091182
  ia2journal51 |   -.0006903    .0026456     -0.26    0.794     -.0058756     .0044951
  ia2journal52 |    .0012831    .0040422      0.32    0.751     -.0066394     .0092056
  ia2journal53 |   -.0101719    .0069439     -1.46    0.143     -.0237816     .0034379
  ia2journal54 |   -.0012131    .0010595     -1.14    0.252     -.0032896     .0008635
  ia2journal55 |   -.0019594    .0008823     -2.22    0.026     -.0036886    -.0002302
  ia2journal56 |     .000426    .0014158      0.30    0.763     -.0023488     .0032008
  ia2journal57 |   -.0038351    .0022949     -1.67    0.095      -.008333     .0006627
  ia2journal58 |    .0010133    .0006519      1.55    0.120     -.0002644      .002291
  ia2journal59 |    .0004404    .0011137      0.40    0.693     -.0017424     .0026232
  ia2journal60 |    .0018128    .0005719      3.17    0.002      .0006919     .0029336
  ia2journal61 |   -.0090307    .0044358     -2.04    0.042     -.0177247    -.0003367
  ia2journal62 |    .0003399    .0008308      0.41    0.682     -.0012885     .0019683
  ia2journal63 |   -.0050251    .0035195     -1.43    0.153     -.0119232      .001873
  ia2journal64 |   -.0008007    .0008234     -0.97    0.331     -.0024145     .0008132
  ia2journal65 |   -.0099567    .0035483     -2.81    0.005     -.0169113    -.0030021
  ia2journal66 |    .0014334    .0010816      1.33    0.185     -.0006866     .0035534
  ia2journal67 |   -.0022005    .0008568     -2.57    0.010     -.0038798    -.0005213
  ia2journal68 |    .0005826    .0006735      0.86    0.387     -.0007375     .0019027
  ia2journal69 |   -.0029733    .0007425     -4.00    0.000     -.0044286    -.0015181
  ia2journal70 |   -.0007074    .0047773     -0.15    0.882     -.0100706     .0086559
  ia2journal71 |    .0010228    .0006932      1.48    0.140      -.000336     .0023815
  ia2journal72 |   -.0021796    .0015906     -1.37    0.171     -.0052972      .000938
  ia2journal73 |   -.0022719    .0011489     -1.98    0.048     -.0045238    -.0000201
  ia2journal74 |    .0002085    .0012201      0.17    0.864     -.0021828     .0025997
  ia2journal75 |   -.0043233    .0173154     -0.25    0.803     -.0382608     .0296143
  ia2journal76 |   -.0092964    .0018865     -4.93    0.000     -.0129939    -.0055988
  ia2journal77 |    .0005803     .001169      0.50    0.620     -.0017109     .0028715
  ia2journal78 |   -.0010688    .0015093     -0.71    0.479     -.0040271     .0018894
  ia2journal79 |    .0002474    .0008185      0.30    0.762     -.0013568     .0018516
  ia2journal80 |    .0022451    .0016159      1.39    0.165     -.0009221     .0054122
  ia2journal81 |    .0031891    .0015506      2.06    0.040      .0001499     .0062283
  ia2journal82 |   -.0018833    .0007955     -2.37    0.018     -.0034426    -.0003241
  ia2journal83 |    -.000109    .0022661     -0.05    0.962     -.0045504     .0043325
  ia2journal84 |    .0058365    .0020608      2.83    0.005      .0017975     .0098756
  ia2journal85 |   -.0020236    .0029826     -0.68    0.497     -.0078693     .0038221
  ia2journal86 |   -.0032957    .0026481     -1.24    0.213      -.008486     .0018945
  ia2journal87 |    .0012729    .0013221      0.96    0.336     -.0013184     .0038642
          op00 |    .0337238      .04751      0.71    0.478      -.059394     .1268416
          os00 |    .0251403    .0574715      0.44    0.662     -.0875018     .1377823
          oh00 |   -.0160711    .0755361     -0.21    0.832      -.164119     .1319768
          om00 |    .0553209    .0819755      0.67    0.500     -.1053481       .21599
          jp95 |   -.0064798     .035219     -0.18    0.854     -.0755078     .0625481
          jp00 |    .0118689    .0453201      0.26    0.793     -.0769569     .1006947
          ep00 |    .0080537    .0712298      0.11    0.910     -.1315542     .1476615
          jsfs |    .0214824    .0468023      0.46    0.646     -.0702484     .1132132
          jsfp |    .0731842    .0553517      1.32    0.186     -.0353032     .1816716
          jsfd |    .1044896    .0463362      2.26    0.024      .0136724     .1953068
           esf |    .0821452    .0806148      1.02    0.308     -.0758568     .2401473
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceng_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceng_sing_auth |
       ip76c80 |     3.58672    .7207166      6.36    0.000      2.419117     5.317876
       ip76c81 |    3.759038    .7790507      6.39    0.000      2.504191     5.642688
       ip76c82 |     3.66288    .7205141      6.60    0.000      2.491067     5.385921
       ip76c83 |    3.442492    .6427658      6.62    0.000      2.387484     4.963697
       ip76c84 |    3.266061    .5988811      6.45    0.000      2.280047     4.678481
       ip76c85 |    3.063939    .5754284      5.96    0.000      2.120405     4.427326
       ip76c86 |    2.848657    .5179874      5.76    0.000      1.994625     4.068356
       ip76c87 |    3.338943     .600674      6.70    0.000      2.346813     4.750504
       ip76c88 |      2.1305    .4114797      3.92    0.000      1.459091     3.110861
       ip76c89 |    2.089073    .3835004      4.01    0.000       1.45779     2.993729
       ip76c90 |    2.087796    .2906009      5.29    0.000      1.589312     2.742629
       ip76c91 |    2.066084    .3718464      4.03    0.000      1.451951     2.939979
       ip76c92 |    1.755175    .2621122      3.77    0.000      1.309799     2.351994
       ip76c93 |    1.566638    .2809984      2.50    0.012      1.102284     2.226606
       ip76c94 |     1.52798    .2089368      3.10    0.002      1.168756     1.997613
       ip76c95 |    1.871717    .3300393      3.56    0.000      1.324793     2.644431
       ip76c96 |    1.785524    .2536004      4.08    0.000      1.351663     2.358647
       ip76c97 |    1.654544    .2618617      3.18    0.001      1.213278     2.256298
       ip76c98 |    1.642539    .2709962      3.01    0.003      1.188719     2.269615
       ip76c99 |    1.437092     .237861      2.19    0.028      1.038957     1.987795
       ip77c80 |    2.892431    .5660222      5.43    0.000      1.971019     4.244587
       ip77c81 |     3.20696    .5314504      7.03    0.000      2.317577     4.437647
       ip77c82 |    2.853829    .4971394      6.02    0.000      2.028374     4.015208
       ip77c83 |    2.589449    .4072935      6.05    0.000      1.902489      3.52446
       ip77c84 |    3.171725    .5019591      7.29    0.000      2.325861      4.32521
       ip77c85 |    2.462655    .3869945      5.74    0.000      1.809845     3.350934
       ip77c86 |    2.195354    .3390459      5.09    0.000      1.621984     2.971408
       ip77c87 |    2.451734    .3889166      5.65    0.000      1.796585     3.345791
       ip77c88 |    2.000472    .3672254      3.78    0.000      1.395976     2.866731
       ip77c89 |    2.021876     .301869      4.72    0.000      1.508929     2.709194
       ip77c90 |    1.721334     .276912      3.38    0.001      1.255833     2.359383
       ip77c91 |    1.681832    .2317554      3.77    0.000      1.283771      2.20332
       ip77c92 |    1.666001    .2763592      3.08    0.002      1.203584     2.306078
       ip77c93 |    1.346273    .2232203      1.79    0.073      .9727444     1.863235
       ip77c94 |    1.364123    .2292108      1.85    0.065      .9813593     1.896179
       ip77c95 |    1.538605    .2577642      2.57    0.010      1.107961     2.136633
       ip77c96 |    1.424249     .188763      2.67    0.008      1.098428     1.846715
       ip77c97 |    1.298639    .2278979      1.49    0.136      .9206857     1.831748
       ip77c98 |    1.279389    .1973556      1.60    0.110      .9455796     1.731039
       ip77c99 |    1.186507    .1735583      1.17    0.242      .8907577     1.580452
       ip78c80 |    3.578737    .5623536      8.11    0.000      2.630111     4.869511
       ip78c81 |    4.094472    .6439724      8.96    0.000      3.008307     5.572802
       ip78c82 |    3.714144     .668525      7.29    0.000      2.610041     5.285307
       ip78c83 |    4.360481    .7463658      8.60    0.000      3.117725     6.098614
       ip78c84 |    4.179748    .6161384      9.70    0.000      3.130935     5.579896
       ip78c85 |    3.927788    .6622845      8.11    0.000      2.822426     5.466049
       ip78c86 |    3.445632     .611705      6.97    0.000       2.43307     4.879588
       ip78c87 |     3.53906    .5960366      7.50    0.000      2.544084     4.923166
       ip78c88 |    2.869161    .4719366      6.41    0.000      2.078472     3.960642
       ip78c89 |    2.570232    .4144698      5.85    0.000       1.87374     3.525617
       ip78c90 |    2.623808     .420862      6.01    0.000      1.916012     3.593071
       ip78c91 |    2.321612    .3974058      4.92    0.000      1.659907     3.247099
       ip78c92 |    2.627005    .4622188      5.49    0.000       1.86077     3.708762
       ip78c93 |     1.89809    .3114029      3.91    0.000      1.376156     2.617977
       ip78c94 |    2.358737    .4697405      4.31    0.000       1.59648     3.484942
       ip78c95 |    2.305852    .4155459      4.64    0.000      1.619695     3.282687
       ip78c96 |    2.168365    .3684326      4.56    0.000      1.554184     3.025257
       ip78c97 |     2.23673    .4069641      4.42    0.000      1.565817     3.195114
       ip78c98 |    2.078776    .3492694      4.36    0.000      1.495517     2.889508
       ip78c99 |    1.496656    .2383846      2.53    0.011      1.095328      2.04503
       ip79c80 |    1.513404     .232519      2.70    0.007      1.119893     2.045188
       ip79c81 |    3.023563    .4065693      8.23    0.000      2.323061     3.935297
       ip79c82 |    3.237591    .4410807      8.62    0.000      2.478886     4.228511
       ip79c83 |    3.595792    .4992565      9.22    0.000      2.739112     4.720406
       ip79c84 |    3.045258    .4510256      7.52    0.000      2.278006     4.070929
       ip79c85 |    3.610621    .5147415      9.01    0.000      2.730436     4.774544
       ip79c86 |    2.810199    .4255896      6.82    0.000      2.088465     3.781351
       ip79c87 |    2.841992    .3797212      7.82    0.000      2.187223     3.692774
       ip79c88 |    2.656199    .3991274      6.50    0.000      1.978595     3.565861
       ip79c89 |    2.403069    .3703693      5.69    0.000      1.776545     3.250547
       ip79c90 |     2.27944    .3735688      5.03    0.000      1.653209     3.142884
       ip79c91 |    1.899656    .2735146      4.46    0.000      1.432577     2.519022
       ip79c92 |    1.944283    .2895169      4.47    0.000      1.452145      2.60321
       ip79c93 |    1.891976    .3101155      3.89    0.000      1.372127     2.608776
       ip79c94 |    2.085225    .2819963      5.43    0.000      1.599707     2.718101
       ip79c95 |     1.86759    .2627269      4.44    0.000      1.417546     2.460515
       ip79c96 |    1.927504    .2737875      4.62    0.000      1.459111     2.546256
       ip79c97 |    1.793081    .2147793      4.87    0.000      1.417886      2.26756
       ip79c98 |    1.886915    .2147319      5.58    0.000      1.509681     2.358411
       ip79c99 |    1.490475    .1852035      3.21    0.001      1.168305     1.901487
       ip80c80 |    .3479392    .0970403     -3.79    0.000      .2014203     .6010402
       ip80c81 |    1.870634    .2997487      3.91    0.000      1.366448     2.560853
       ip80c82 |    3.276777    .4848098      8.02    0.000      2.451935     4.379101
       ip80c83 |    3.721544    .5488835      8.91    0.000      2.787283     4.968957
       ip80c84 |    3.369594    .4703977      8.70    0.000      2.563004     4.430023
       ip80c85 |    3.366643    .4909285      8.32    0.000      2.529727     4.480437
       ip80c86 |    3.219248    .4477989      8.41    0.000      2.451048     4.228214
       ip80c87 |    3.400743    .5079632      8.19    0.000      2.537647     4.557391
       ip80c88 |    2.657466     .404417      6.42    0.000      1.972108     3.581004
       ip80c89 |     2.55686    .3813046      6.30    0.000       1.90883      3.42489
       ip80c90 |    2.419117    .3331856      6.41    0.000      1.846804     3.168788
       ip80c91 |    2.511025    .3672164      6.30    0.000      1.885254     3.344507
       ip80c92 |    2.447978    .3815513      5.74    0.000      1.803582     3.322608
       ip80c93 |    2.103427    .2927161      5.34    0.000      1.601301     2.763007
       ip80c94 |    1.973434    .2780507      4.82    0.000      1.497238     2.601083
       ip80c95 |    1.960644    .2742875      4.81    0.000      1.490454     2.579165
       ip80c96 |    2.067389    .3081518      4.87    0.000      1.543645     2.768833
       ip80c97 |    1.981526     .242765      5.58    0.000      1.558531     2.519324
       ip80c98 |    1.923054    .2483394      5.06    0.000      1.493032     2.476931
       ip80c99 |    1.666725    .2232084      3.81    0.000      1.281949     2.166991
       ip81c81 |    .2879058    .0638128     -5.62    0.000      .1864602      .444544
       ip81c82 |     1.56892    .2142864      3.30    0.001      1.200444       2.0505
       ip81c83 |    2.779457    .3611957      7.87    0.000      2.154491     3.585711
       ip81c84 |    3.249184    .4076314      9.39    0.000      2.540888     4.154924
       ip81c85 |    3.550135    .4692027      9.59    0.000      2.739971      4.59985
       ip81c86 |    2.900163    .4107145      7.52    0.000      2.197238     3.827962
       ip81c87 |    3.183677    .4382808      8.41    0.000      2.430795     4.169746
       ip81c88 |    2.742716     .345748      8.00    0.000      2.142289     3.511427
       ip81c89 |    2.574082    .3155857      7.71    0.000       2.02425     3.273262
       ip81c90 |    2.299839    .2902446      6.60    0.000      1.795866     2.945241
       ip81c91 |    2.049734    .2744576      5.36    0.000      1.576603      2.66485
       ip81c92 |    2.281845    .3221282      5.84    0.000      1.730302     3.009194
       ip81c93 |     1.98042    .2621756      5.16    0.000      1.527819     2.567099
       ip81c94 |    2.107156    .2794515      5.62    0.000      1.624839     2.732645
       ip81c95 |    2.070135    .2687183      5.61    0.000      1.605116     2.669873
       ip81c96 |     2.10594    .3092281      5.07    0.000      1.579279     2.808233
       ip81c97 |    1.713756    .2252666      4.10    0.000       1.32453     2.217359
       ip81c98 |    1.696109    .2055966      4.36    0.000      1.337439     2.150966
       ip81c99 |    1.775367    .1996259      5.10    0.000      1.424221     2.213089
       ip82c82 |    .1608301    .0370972     -7.92    0.000      .1023361     .2527586
       ip82c83 |    1.181832    .2089816      0.94    0.345      .8356777     1.671369
       ip82c84 |    2.094757    .3642498      4.25    0.000      1.489777     2.945412
       ip82c85 |    2.821009    .4396221      6.65    0.000      2.078521     3.828728
       ip82c86 |    2.331155     .402508      4.90    0.000      1.661877     3.269968
       ip82c87 |    2.904283    .4696212      6.59    0.000      2.115437      3.98729
       ip82c88 |    2.465485    .4248481      5.24    0.000      1.758834     3.456049
       ip82c89 |    2.218684    .3719914      4.75    0.000      1.597277     3.081843
       ip82c90 |    2.206867    .3998857      4.37    0.000      1.547169     3.147853
       ip82c91 |     2.32609    .3397982      5.78    0.000      1.746956     3.097213
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  ia2journal26 |    1.001398    .0001864      7.51    0.000      1.001033     1.001764
  ia2journal27 |    .9998202    .0001982     -0.91    0.364      .9994319     1.000209
  ia2journal28 |    .9979643    .0001947    -10.44    0.000      .9975827      .998346
  ia2journal29 |    .9973099    .0003063     -8.77    0.000      .9967098     .9979104
  ia2journal30 |    .9999429    .0003118     -0.18    0.855       .999332     1.000554
  ia2journal31 |    .9974726    .0002438    -10.35    0.000       .996995     .9979505
  ia2journal32 |    .9954981    .0002025    -22.18    0.000      .9951013     .9958951
  ia2journal33 |    1.003529    .0001453     24.33    0.000      1.003244     1.003814
  ia2journal34 |    1.002043     .000125     16.36    0.000      1.001798     1.002288
  ia2journal35 |    1.001496    .0008021      1.87    0.062      .9999248     1.003069
  ia2journal36 |     .997448    .0002576     -9.90    0.000      .9969432     .9979529
  ia2journal37 |    .9987299    .0003156     -4.02    0.000      .9981116     .9993486
  ia2journal38 |    .9999423    .0003332     -0.17    0.862      .9992894     1.000596
  ia2journal39 |    .9973857    .0003438     -7.60    0.000      .9967121     .9980596
  ia2journal40 |    1.000594    .0002329      2.55    0.011      1.000137      1.00105
  ia2journal41 |    1.002392    .0002216     10.81    0.000      1.001958     1.002826
  ia2journal42 |    .9984187    .0004563     -3.46    0.001      .9975248     .9993134
  ia2journal43 |     1.00033    .0003621      0.91    0.363      .9996202     1.001039
  ia2journal44 |    .9997568    .0002947     -0.83    0.409      .9991793     1.000335
  ia2journal45 |    .9980718    .0002885     -6.68    0.000      .9975065     .9986373
  ia2journal46 |     .998873    .0003272     -3.44    0.001      .9982319     .9995145
  ia2journal47 |    .9974567    .0013124     -1.94    0.053      .9948877     1.000032
  ia2journal48 |    1.006439    .0006039     10.70    0.000      1.005256     1.007624
  ia2journal49 |    .9938977    .0002633    -23.11    0.000      .9933817     .9944138
  ia2journal50 |    1.006742    .0002724     24.83    0.000      1.006208     1.007276
  ia2journal51 |      .99931    .0007892     -0.87    0.382      .9977643     1.000858
  ia2journal52 |    1.001284    .0006921      1.86    0.063      .9999284     1.002641
  ia2journal53 |    .9898797    .0005259    -19.15    0.000      .9888495      .990911
  ia2journal54 |    .9987877    .0004363     -2.78    0.005       .997933     .9996431
  ia2journal55 |    .9980425    .0006073     -3.22    0.001      .9968528     .9992336
  ia2journal56 |    1.000426    .0008246      0.52    0.605      .9988113     1.002044
  ia2journal57 |    .9961722    .0004525     -8.44    0.000      .9952857     .9970595
  ia2journal58 |    1.001014    .0002879      3.52    0.000       1.00045     1.001578
  ia2journal59 |    1.000441    .0003795      1.16    0.246      .9996969     1.001185
  ia2journal60 |    1.001814     .000307      5.92    0.000      1.001213     1.002416
  ia2journal61 |    .9910099    .0007536    -11.88    0.000      .9895339     .9924881
  ia2journal62 |     1.00034    .0003503      0.97    0.332      .9996535     1.001027
  ia2journal63 |    .9949875    .0009369     -5.34    0.000       .993153     .9968254
  ia2journal64 |    .9991996    .0002288     -3.50    0.000      .9987513     .9996481
  ia2journal65 |    .9900927    .0005686    -17.34    0.000      .9889789     .9912078
  ia2journal66 |    1.001434    .0002787      5.15    0.000      1.000888     1.001981
  ia2journal67 |    .9978019    .0003486     -6.30    0.000      .9971189     .9984853
  ia2journal68 |    1.000583    .0002326      2.51    0.012      1.000127     1.001039
  ia2journal69 |    .9970311    .0003215     -9.22    0.000      .9964012     .9976613
  ia2journal70 |    .9992929    .0006131     -1.15    0.249      .9980919     1.000495
  ia2journal71 |    1.001023    .0002939      3.48    0.000      1.000447     1.001599
  ia2journal72 |    .9978228    .0002792     -7.79    0.000      .9972757     .9983701
  ia2journal73 |    .9977307    .0002971     -7.63    0.000      .9971485     .9983131
  ia2journal74 |    1.000208    .0002426      0.86    0.390      .9997332     1.000684
  ia2journal75 |    .9956861    .0004028    -10.69    0.000       .994897     .9964758
  ia2journal76 |    .9907467    .0004245    -21.70    0.000      .9899151     .9915791
  ia2journal77 |     1.00058    .0002737      2.12    0.034      1.000044     1.001117
  ia2journal78 |    .9989317    .0003038     -3.51    0.000      .9983364     .9995274
  ia2journal79 |    1.000247    .0003762      0.66    0.511      .9995104     1.000985
  ia2journal80 |    1.002248    .0002182     10.31    0.000       1.00182     1.002675
  ia2journal81 |    1.003194    .0002665     12.01    0.000      1.002672     1.003717
  ia2journal82 |    .9981184     .000235     -8.00    0.000      .9976579     .9985792
  ia2journal83 |     .999891    .0002656     -0.41    0.682      .9993707     1.000412
  ia2journal84 |    1.005854     .000588      9.98    0.000      1.004702     1.007007
  ia2journal85 |    .9979784    .0004227     -4.78    0.000      .9971503     .9988073
  ia2journal86 |    .9967097    .0007327     -4.48    0.000      .9952747     .9981468
  ia2journal87 |    1.001274    .0002409      5.29    0.000      1.000802     1.001746
          op00 |    1.034299    .0636301      0.55    0.584      .9168116     1.166842
          os00 |    1.025459    .0698931      0.37    0.712      .8972267     1.172018
          oh00 |    .9840574    .0751617     -0.21    0.833      .8472395      1.14297
          om00 |     1.05688    .0974094      0.60    0.548      .8822119      1.26613
          jp95 |    .9935411    .0503761     -0.13    0.898      .8995533     1.097349
          jp00 |     1.01194    .0623968      0.19    0.847      .8967451     1.141932
          ep00 |    1.008086    .0999029      0.08    0.935      .8301227     1.224202
          jsfs |    1.021715    .0769824      0.29    0.776      .8814442     1.184308
          jsfp |    1.075929    .0727111      1.08    0.279      .9424524     1.228309
          jsfd |    1.110144     .056135      2.07    0.039      1.005398     1.225803
           esf |    1.085613    .1460187      0.61    0.541      .8340377     1.413074
---------------+----------------------------------------------------------------
Wald chi2(418) = -5.3e+17                                Prob > chi2 =   1.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        856    .6488201    .4885555        .01       1.76

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        266    1.027331    .5113999        .04       1.76

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        694    .9627666    .5711603        .04       1.76

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |        555     .792955    .3180268        .43       1.87

. * Europe;
. clear;

. use region_temp_1;

. replace jss2 = jss2_eur;
(1,816 real changes made)

. replace es2 = es2_eur;
(555 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(5 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml ceur_sing_auth ip* ia1j* ia2j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 30 groups (743 obs) dropped because of all zero outcomes
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -27831.155
Iteration 1:   log likelihood = -24721.077
Iteration 2:   log likelihood = -24352.082
Iteration 3:   log likelihood =  -24321.14
Iteration 4:   log likelihood = -24320.029
Iteration 5:   log likelihood = -24319.518
Iteration 6:   log likelihood = -24318.993
Iteration 7:   log likelihood = -24318.825
Iteration 8:   log likelihood = -24318.802
Iteration 9:   log likelihood = -24318.797
Iteration 10:  log likelihood = -24318.796
Iteration 11:  log likelihood = -24318.796
Iteration 12:  log likelihood = -24318.796
Iteration 13:  log likelihood = -24318.796

Conditional fixed-effects Poisson regression    Number of obs     =     17,693
Group variable: volume                          Number of groups  =        728

                                                Obs per group:
                                                              min =         16
                                                              avg =       24.3
                                                              max =         26

                                                Wald chi2(418)    =    5067.37
Log likelihood  = -24318.796                    Prob > chi2       =     0.0000

---------------+----------------------------------------------------------------
 ceur_sing_auth |      Coef.    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
       ip76c80 |    .4536637     .170027      2.67    0.008      .1204168     .7869105
       ip76c81 |    .6166079    .1683078      3.66    0.000      .2867306     .9464851
       ip76c82 |     .640605    .1690707      3.79    0.000      .3092325     .9719774
       ip76c83 |    .6826005    .1693518      4.03    0.000       .350677     1.014524
       ip76c84 |    .7144835    .1695925      4.21    0.000      .3820883     1.046879
       ip76c85 |    .9136385    .1672336      5.46    0.000      .5858668      1.24141
       ip76c86 |     .457764      .17479      2.62    0.009      .1151819     .8003462
       ip76c87 |    .2705075    .1786256      1.51    0.130     -.0795923     .6206073
       ip76c88 |     .391663    .1755326      2.23    0.026      .0476254     .7357006
       ip76c89 |    .5463785    .1718019      3.18    0.001       .209653     .8831041
       ip76c90 |    .3399267    .1746929      1.95    0.052     -.0024652     .6823185
       ip76c91 |     .103906    .1787506      0.58    0.561     -.2464387     .4542507
       ip76c92 |    .3984298    .1702053      2.34    0.019      .0648334     .7320261
       ip76c93 |    .3060615    .1699746      1.80    0.072     -.0270826     .6392055
       ip76c94 |    .2143314    .1695574      1.26    0.206      -.117995     .5466577
       ip76c95 |    .2964093    .1649097      1.80    0.072     -.0268077     .6196263
       ip76c96 |    .1820286    .1645607      1.11    0.269     -.1405044     .5045615
       ip76c97 |    .1636645    .1615597      1.01    0.311     -.1529868     .4803157
       ip76c98 |    .2363875    .1562506      1.51    0.130     -.0698579      .542633
       ip76c99 |     .274422    .1516082      1.81    0.070     -.0227245     .5715686
       ip77c80 |    .4417715    .1550669      2.85    0.004      .1378459     .7456971
       ip77c81 |    .3114185     .158547      1.96    0.050      .0006722     .6221649
       ip77c82 |    .5007426    .1558483      3.21    0.001      .1952855     .8061998
       ip77c83 |    .5999677    .1549987      3.87    0.000      .2961759     .9037595
       ip77c84 |     .552448    .1564359      3.53    0.000      .2458393     .8590566
       ip77c85 |    .6505165    .1553961      4.19    0.000      .3459458     .9550872
       ip77c86 |    .4548661    .1588775      2.86    0.004       .143472     .7662602
       ip77c87 |    .3583469    .1606988      2.23    0.026      .0433832     .6733107
       ip77c88 |     .181993    .1641032      1.11    0.267     -.1396433     .5036293
       ip77c89 |    .2409907    .1623494      1.48    0.138     -.0772082     .5591896
       ip77c90 |    .0917468    .1648869      0.56    0.578     -.2314256     .4149191
       ip77c91 |    .1466355    .1625817      0.90    0.367     -.1720187     .4652896
       ip77c92 |   -.0062545      .16488     -0.04    0.970     -.3294133     .3169043
       ip77c93 |    .0129172    .1627849      0.08    0.937     -.3061353     .3319697
       ip77c94 |   -.0092426    .1614539     -0.06    0.954     -.3256865     .3072013
       ip77c95 |    .1544984    .1554658      0.99    0.320     -.1502089     .4592057
       ip77c96 |    .2100946     .152085      1.38    0.167     -.0879865     .5081756
       ip77c97 |    .1172691    .1512882      0.78    0.438     -.1792503     .4137886
       ip77c98 |    .2883454    .1448476      1.99    0.047      .0044494     .5722414
       ip77c99 |     .113414    .1455256      0.78    0.436      -.171811      .398639
       ip78c80 |    .2434711    .1601245      1.52    0.128     -.0703671     .5573093
       ip78c81 |    .4006388    .1572355      2.55    0.011      .0924629     .7088148
       ip78c82 |    .5560864    .1548764      3.59    0.000      .2525342     .8596386
       ip78c83 |     .567946    .1553065      3.66    0.000      .2635508     .8723411
       ip78c84 |    .8221622    .1518735      5.41    0.000      .5244956     1.119829
       ip78c85 |    .7414098    .1535591      4.83    0.000      .4404394      1.04238
       ip78c86 |    .5904084    .1563291      3.78    0.000       .284009     .8968079
       ip78c87 |    .4444698    .1591189      2.79    0.005      .1326026     .7563371
       ip78c88 |    .3900018    .1601095      2.44    0.015       .076193     .7038107
       ip78c89 |    .1892441    .1641215      1.15    0.249     -.1324282     .5109164
       ip78c90 |    .2991479    .1610923      1.86    0.063     -.0165872      .614883
       ip78c91 |    .1777949    .1629411      1.09    0.275     -.1415638     .4971536
       ip78c92 |    .1249195     .163074      0.77    0.444     -.1946997     .4445387
       ip78c93 |    .1181235    .1618504      0.73    0.465     -.1990974     .4353445
       ip78c94 |    .1856786    .1586266      1.17    0.242     -.1252238     .4965811
       ip78c95 |     .205978     .156281      1.32    0.188     -.1003272     .5122832
       ip78c96 |    .0761379    .1574055      0.48    0.629     -.2323711     .3846469
       ip78c97 |    .2031822    .1518783      1.34    0.181     -.0944938     .5008581
       ip78c98 |    .3566065    .1461167      2.44    0.015      .0702231       .64299
       ip78c99 |    .0827886    .1494808      0.55    0.580     -.2101883     .3757655
       ip79c80 |   -.7824022    .1688265     -4.63    0.000     -1.113296    -.4515084
       ip79c81 |   -.2037484    .1500353     -1.36    0.174     -.4978123     .0903154
       ip79c82 |    .1182385    .1429439      0.83    0.408     -.1619264     .3984034
       ip79c83 |    .1550227    .1425573      1.09    0.277     -.1243844     .4344298
       ip79c84 |     .348333    .1394761      2.50    0.013      .0749648     .6217013
       ip79c85 |    .3694867     .139477      2.65    0.008      .0961167     .6428567
       ip79c86 |    .2027057    .1425631      1.42    0.155     -.0767129     .4821243
       ip79c87 |    .1860051    .1429786      1.30    0.193     -.0942278     .4662381
       ip79c88 |    .0624351    .1452756      0.43    0.667     -.2222997       .34717
       ip79c89 |    .0702247    .1448554      0.48    0.628     -.2136868     .3541361
       ip79c90 |    .0872886    .1440509      0.61    0.545     -.1950461     .3696232
       ip79c91 |   -.0589419    .1462825     -0.40    0.687     -.3456504     .2277665
       ip79c92 |    .2277166    .1399348      1.63    0.104     -.0465506     .5019837
       ip79c93 |    .0868061    .1411963      0.61    0.539     -.1899336     .3635459
       ip79c94 |    .0522899    .1403673      0.37    0.710      -.222825     .3274048
       ip79c95 |    .1387598    .1370734      1.01    0.311     -.1298992     .4074187
       ip79c96 |    .2226021    .1338403      1.66    0.096     -.0397201     .4849242
       ip79c97 |    .1965421    .1318927      1.49    0.136     -.0619628      .455047
       ip79c98 |     .160597    .1300438      1.23    0.217     -.0942842     .4154783
       ip79c99 |     .210687    .1265636      1.66    0.096      -.037373      .458747
       ip80c80 |   -2.359609    .2718846     -8.68    0.000     -2.892493    -1.826725
       ip80c81 |   -.6374852    .1599962     -3.98    0.000     -.9510721    -.3238984
       ip80c82 |   -.0969016    .1450592     -0.67    0.504     -.3812124     .1874092
       ip80c83 |    .2270567    .1387667      1.64    0.102      -.044921     .4990344
       ip80c84 |    .2956732     .137791      2.15    0.032      .0256078     .5657385
       ip80c85 |    .5257868    .1345953      3.91    0.000      .2619849     .7895886
       ip80c86 |     .307218    .1380908      2.22    0.026       .036565      .577871
       ip80c87 |     .134893    .1413315      0.95    0.340     -.1421117     .4118977
       ip80c88 |    .1426239    .1412771      1.01    0.313     -.1342741      .419522
       ip80c89 |    .1046237    .1419564      0.74    0.461     -.1736058     .3828532
       ip80c90 |     .196157    .1400506      1.40    0.161     -.0783371     .4706512
       ip80c91 |    .1249828    .1409559      0.89    0.375     -.1512857     .4012513
       ip80c92 |    .2657032    .1378834      1.93    0.054     -.0045433     .5359497
       ip80c93 |   -.0045731    .1420695     -0.03    0.974     -.2830242      .273878
       ip80c94 |    .0279034    .1403515      0.20    0.842     -.2471806     .3029873
       ip80c95 |    .0995865    .1376911      0.72    0.470     -.1702832     .3694561
       ip80c96 |     .155067    .1352682      1.15    0.252     -.1100538     .4201878
       ip80c97 |    .2858094    .1313131      2.18    0.030      .0284405     .5431784
       ip80c98 |    .2578149    .1298518      1.99    0.047        .00331     .5123198
       ip80c99 |    .0782215    .1309275      0.60    0.550     -.1783917     .3348347
       ip81c81 |   -2.987393    .3545977     -8.42    0.000     -3.682392    -2.292395
       ip81c82 |   -.6798419    .1600504     -4.25    0.000     -.9935348    -.3661489
       ip81c83 |    .0236283    .1405453      0.17    0.866     -.2518353      .299092
       ip81c84 |    .3280311    .1347919      2.43    0.015      .0638438     .5922184
       ip81c85 |    .4919771    .1322331      3.72    0.000      .2328049     .7511493
       ip81c86 |     .224871    .1364921      1.65    0.099     -.0426487     .4923907
       ip81c87 |    .2248126    .1365675      1.65    0.100     -.0428548     .4924799
       ip81c88 |    .1659598    .1377069      1.21    0.228     -.1039408     .4358604
       ip81c89 |    .3147389    .1350568      2.33    0.020      .0500325     .5794453
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  ia2journal15 |   -.0030506     .002111     -1.45    0.148     -.0071881     .0010868
  ia2journal16 |    .0024696    .0010332      2.39    0.017      .0004445     .0044946
  ia2journal17 |   -.0076701    .0047946     -1.60    0.110     -.0170673     .0017272
  ia2journal18 |   -.0021491    .0006672     -3.22    0.001     -.0034568    -.0008414
  ia2journal19 |   -.0042902    .0029112     -1.47    0.141      -.009996     .0014156
  ia2journal20 |    .0009046    .0008398      1.08    0.281     -.0007415     .0025507
  ia2journal21 |    .0003918    .0011984      0.33    0.744     -.0019571     .0027406
  ia2journal22 |   -.0010986    .0009824     -1.12    0.263     -.0030241     .0008269
  ia2journal23 |    .0018158    .0015221      1.19    0.233     -.0011674     .0047991
  ia2journal24 |   -.0010033    .0006281     -1.60    0.110     -.0022343     .0002277
  ia2journal25 |    -.000608    .0020493     -0.30    0.767     -.0046246     .0034085
  ia2journal26 |    -.003749     .003091     -1.21    0.225     -.0098073     .0023092
  ia2journal27 |     -.00322    .0021344     -1.51    0.131     -.0074033     .0009634
  ia2journal28 |   -.0012009     .000546     -2.20    0.028      -.002271    -.0001308
  ia2journal29 |   -.0017344    .0016606     -1.04    0.296      -.004989     .0015203
  ia2journal30 |    .0007718     .001415      0.55    0.585     -.0020016     .0035451
  ia2journal31 |     .001001    .0008595      1.16    0.244     -.0006836     .0026856
  ia2journal32 |   -.0072438    .0016511     -4.39    0.000     -.0104798    -.0040078
  ia2journal33 |    .0012798    .0020745      0.62    0.537     -.0027862     .0053458
  ia2journal34 |    .0009719    .0012532      0.78    0.438     -.0014844     .0034281
  ia2journal35 |     .003179    .0032626      0.97    0.330     -.0032155     .0095736
  ia2journal36 |    .0062052    .0093063      0.67    0.505     -.0120348     .0244452
  ia2journal37 |    .0006507    .0021788      0.30    0.765     -.0036197     .0049211
  ia2journal38 |    .0035067    .0014483      2.42    0.015      .0006681     .0063453
  ia2journal39 |   -.0004002    .0033014     -0.12    0.904     -.0068709     .0060705
  ia2journal40 |    .0011516    .0011021      1.04    0.296     -.0010085     .0033117
  ia2journal41 |    .0009196    .0046855      0.20    0.844     -.0082638      .010103
  ia2journal42 |     .002827    .0009011      3.14    0.002      .0010609     .0045931
  ia2journal43 |   -.0035204    .0033704     -1.04    0.296     -.0101262     .0030855
  ia2journal44 |   -14.81457    1219.534     -0.01    0.990     -2405.057     2375.427
  ia2journal45 |    .0012365    .0010617      1.16    0.244     -.0008444     .0033174
  ia2journal46 |    .0032085    .0017667      1.82    0.069     -.0002541     .0066712
  ia2journal47 |    .0130311    .0060888      2.14    0.032      .0010972      .024965
  ia2journal48 |    .0090901    .0144497      0.63    0.529     -.0192309      .037411
  ia2journal49 |    .0024956    .0019657      1.27    0.204     -.0013571     .0063483
  ia2journal50 |   -.0022356    .0033846     -0.66    0.509     -.0088693     .0043982
  ia2journal51 |    .0045533    .0025546      1.78    0.075     -.0004536     .0095602
  ia2journal52 |    .0082618    .0046626      1.77    0.076     -.0008767     .0174002
  ia2journal53 |   -.0049282    .0049469     -1.00    0.319     -.0146239     .0047675
  ia2journal54 |    .0032716    .0012168      2.69    0.007      .0008867     .0056566
  ia2journal55 |    .0020073    .0009505      2.11    0.035      .0001443     .0038703
  ia2journal56 |   -.0027882     .001505     -1.85    0.064     -.0057379     .0001615
  ia2journal57 |    .0052239    .0016342      3.20    0.001      .0020209      .008427
  ia2journal58 |    1.32e-06    .0005746      0.00    0.998     -.0011248     .0011275
  ia2journal59 |    -.000984    .0013336     -0.74    0.461     -.0035979     .0016298
  ia2journal60 |    .0013102    .0007078      1.85    0.064      -.000077     .0026974
  ia2journal61 |   -.0028039    .0047887     -0.59    0.558     -.0121896     .0065818
  ia2journal62 |      .00006     .000912      0.07    0.948     -.0017275     .0018476
  ia2journal63 |    .0012468    .0035841      0.35    0.728     -.0057779     .0082715
  ia2journal64 |   -.0040679    .0011073     -3.67    0.000     -.0062381    -.0018977
  ia2journal65 |    .0032773    .0046765      0.70    0.483     -.0058885     .0124432
  ia2journal66 |    .0040384    .0017326      2.33    0.020      .0006425     .0074343
  ia2journal67 |     .001848    .0010577      1.75    0.081     -.0002251     .0039211
  ia2journal68 |    .0024648    .0008138      3.03    0.002      .0008698     .0040598
  ia2journal69 |    .0005712     .000716      0.80    0.425     -.0008321     .0019746
  ia2journal70 |    .0093954    .0050688      1.85    0.064     -.0005392       .01933
  ia2journal71 |    .0018638    .0006875      2.71    0.007      .0005163     .0032112
  ia2journal72 |   -.0031374    .0022889     -1.37    0.170     -.0076236     .0013487
  ia2journal73 |    .0002178    .0012354      0.18    0.860     -.0022035     .0026391
  ia2journal74 |   -.0020494    .0019157     -1.07    0.285     -.0058041     .0017053
  ia2journal75 |   -.0157842    .0959562     -0.16    0.869     -.2038549     .1722865
  ia2journal76 |    .0010104     .002228      0.45    0.650     -.0033564     .0053772
  ia2journal77 |     .003574    .0017224      2.07    0.038      .0001981     .0069499
  ia2journal78 |     .003074    .0014291      2.15    0.031       .000273      .005875
  ia2journal79 |    .0023606     .001277      1.85    0.065     -.0001424     .0048635
  ia2journal80 |    .0029609    .0012277      2.41    0.016      .0005546     .0053672
  ia2journal81 |    .0088799    .0018443      4.81    0.000      .0052652     .0124945
  ia2journal82 |   -.0054476    .0012772     -4.27    0.000     -.0079509    -.0029443
  ia2journal83 |    .0003991     .006395      0.06    0.950      -.012135     .0129331
  ia2journal84 |    .0004977    .0021584      0.23    0.818     -.0037327     .0047282
  ia2journal85 |   -.0234175    .0062929     -3.72    0.000     -.0357514    -.0110837
  ia2journal86 |    .0016675     .001531      1.09    0.276     -.0013332     .0046683
  ia2journal87 |    .0050291     .000977      5.15    0.000      .0031143     .0069439
          op00 |   -.0911555    .0468326     -1.95    0.052     -.1829457     .0006347
          os00 |    .1011801    .0575813      1.76    0.079     -.0116771     .2140373
          oh00 |    .1081308    .0749405      1.44    0.149       -.03875     .2550115
          om00 |    .1821712    .0896556      2.03    0.042      .0064495      .357893
          jp95 |   -.0300366    .0385229     -0.78    0.436     -.1055401      .045467
          jp00 |    .0435621    .0438969      0.99    0.321     -.0424742     .1295984
          ep00 |   -.0014879    .0651587     -0.02    0.982     -.1291965     .1262208
          jsfs |    .0935033    .0388492      2.41    0.016      .0173602     .1696464
          jsfp |    .0919803    .0412887      2.23    0.026      .0110559     .1729047
          jsfd |    .0073695    .0342612      0.22    0.830     -.0597813     .0745203
           esf |   -.0045225    .1730553     -0.03    0.979     -.3437048     .3346597
---------------+----------------------------------------------------------------
Calculating Robust Standard Errors...
---------------+----------------------------------------------------------------
 ceur_sing_auth |        IRR    Std. Err.       z    P>|z|      [95% Con f. Interval]
---------------+----------------------------------------------------------------
ceur_sing_auth |
       ip76c80 |    1.574069     .333304      2.14    0.032      1.039404     2.383762
       ip76c81 |    1.852633    .4218389      2.71    0.007      1.185696     2.894712
       ip76c82 |    1.897629    .3936249      3.09    0.002      1.263707     2.849547
       ip76c83 |    1.979018    .5087108      2.66    0.008      1.195767     3.275313
       ip76c84 |    2.043131    .4583187      3.19    0.001      1.316295     3.171314
       ip76c85 |    2.493378     .564267      4.04    0.000      1.600133     3.885262
       ip76c86 |    1.580536    .3536013      2.05    0.041      1.019463     2.450401
       ip76c87 |    1.310629    .2942342      1.20    0.228      .8440856     2.035042
       ip76c88 |    1.479439    .3309992      1.75    0.080      .9542348     2.293712
       ip76c89 |    1.726987    .3955041      2.39    0.017      1.102433     2.705367
       ip76c90 |    1.404845    .2806004      1.70    0.089      .9497542     2.077999
       ip76c91 |    1.109496    .2246464      0.51    0.608      .7460671     1.649961
       ip76c92 |    1.489484    .3130924      1.90    0.058      .9865331     2.248848
       ip76c93 |    1.358066    .2449144      1.70    0.090      .9537061     1.933869
       ip76c94 |    1.239033     .277255      0.96    0.338      .7991198     1.921118
       ip76c95 |    1.345021    .3012125      1.32    0.186      .8671723     2.086183
       ip76c96 |    1.199648    .2352903      0.93    0.353      .8167809     1.761986
       ip76c97 |    1.177819    .1946762      0.99    0.322      .8518977     1.628432
       ip76c98 |    1.266665    .2403387      1.25    0.213      .8732803     1.837257
       ip76c99 |     1.31577    .2772508      1.30    0.193       .870603     1.988565
       ip77c80 |     1.55546    .3132321      2.19    0.028      1.048208     2.308184
       ip77c81 |    1.365361    .2858915      1.49    0.137      .9057641     2.058162
       ip77c82 |    1.649946    .3554374      2.32    0.020      1.081685     2.516742
       ip77c83 |     1.82206    .3778226      2.89    0.004      1.213549     2.735697
       ip77c84 |    1.737501    .3967435      2.42    0.016      1.110607     2.718252
       ip77c85 |     1.91653     .411909      3.03    0.002      1.257685     2.920516
       ip77c86 |    1.575962    .3289013      2.18    0.029       1.04689     2.372414
       ip77c87 |    1.430962    .3350393      1.53    0.126      .9043393     2.264252
       ip77c88 |    1.199606    .2510791      0.87    0.385      .7959411     1.807991
       ip77c89 |    1.272509    .2716523      1.13    0.259      .8374298      1.93363
       ip77c90 |    1.096087    .2138647      0.47    0.638       .747759     1.606677
       ip77c91 |    1.157932     .231093      0.73    0.462      .7830786     1.712224
       ip77c92 |     .993765    .2172529     -0.03    0.977       .647437     1.525352
       ip77c93 |    1.013001     .174567      0.07    0.940      .7226454      1.42002
       ip77c94 |       .9908    .1882446     -0.05    0.961      .6827536     1.437831
       ip77c95 |    1.167072    .1967964      0.92    0.360      .8386192     1.624167
       ip77c96 |    1.233795    .2124736      1.22    0.222      .8803518     1.729138
       ip77c97 |    1.124422    .2063839      0.64    0.523      .7846829     1.611256
       ip77c98 |    1.334218    .2656874      1.45    0.148      .9030756     1.971194
       ip77c99 |    1.120096    .2135918      0.59    0.552      .7707949     1.627689
       ip78c80 |    1.275669    .2523721      1.23    0.218      .8656467     1.879904
       ip78c81 |    1.492778    .3134127      1.91    0.056       .989198      2.25272
       ip78c82 |    1.743834     .331431      2.93    0.003      1.201509      2.53095
       ip78c83 |    1.764639    .3893593      2.57    0.010      1.145097     2.719377
       ip78c84 |    2.275414    .4685056      3.99    0.000      1.519844     3.406607
       ip78c85 |    2.098892    .4491086      3.46    0.001      1.379924     3.192458
       ip78c86 |    1.804725    .3887473      2.74    0.006      1.183199     2.752735
       ip78c87 |    1.559663    .3480771      1.99    0.046      1.007081     2.415446
       ip78c88 |    1.476983    .3223236      1.79    0.074      .9629795     2.265344
       ip78c89 |    1.208336    .2273499      1.01    0.315      .8356666     1.747199
       ip78c90 |    1.348709    .2868244      1.41    0.160      .8889898     2.046161
       ip78c91 |     1.19458    .2856624      0.74    0.457      .7475939      1.90882
       ip78c92 |    1.133057    .2684623      0.53    0.598      .7121498     1.802737
       ip78c93 |    1.125383    .2308557      0.58    0.565      .7528163     1.682332
       ip78c94 |    1.204035    .2336526      0.96    0.339      .8231079     1.761253
       ip78c95 |    1.228726    .2657615      0.95    0.341      .8041711     1.877421
       ip78c96 |    1.079111    .2302482      0.36    0.721      .7103082     1.639403
       ip78c97 |    1.225296    .2299277      1.08    0.279      .8482273     1.769985
       ip78c98 |    1.428474    .2988002      1.70    0.088      .9480312     2.152395
       ip78c99 |    1.086312    .1870573      0.48    0.631      .7751435     1.522394
       ip79c80 |    .4573062    .0946657     -3.78    0.000       .304791     .6861387
       ip79c81 |    .8156675    .2029249     -0.82    0.413      .5008965     1.328246
       ip79c82 |    1.125513    .2231745      0.60    0.551      .7630766     1.660093
       ip79c83 |    1.167684    .2397875      0.75    0.450        .78078     1.746314
       ip79c84 |    1.416704    .2909147      1.70    0.090      .9473014     2.118703
       ip79c85 |    1.446992    .3316024      1.61    0.107      .9234193     2.267426
       ip79c86 |    1.224712    .2832125      0.88    0.381      .7783862      1.92696
       ip79c87 |    1.204428    .2345759      0.96    0.340      .8222427     1.764258
       ip79c88 |    1.064425    .2161156      0.31    0.758      .7149761      1.58467
       ip79c89 |    1.072749    .2237326      0.34    0.736      .7128063     1.614451
       ip79c90 |    1.091212    .1996373      0.48    0.633      .7623976     1.561839
       ip79c91 |    .9427615    .1709443     -0.33    0.745       .660784     1.345068
       ip79c92 |    1.255729    .2212668      1.29    0.196      .8890157      1.77371
       ip79c93 |    1.090685    .1989535      0.48    0.634      .7628348     1.559439
       ip79c94 |    1.053681    .1805353      0.31    0.760      .7531236     1.474186
       ip79c95 |    1.148848    .2259942      0.71    0.481      .7813032     1.689295
       ip79c96 |    1.249323    .1917528      1.45    0.147      .9247575     1.687803
       ip79c97 |    1.217187    .2015158      1.19    0.235         .8799     1.683763
       ip79c98 |    1.174212    .1926502      0.98    0.328      .8513179     1.619575
       ip79c99 |    1.234526    .1833159      1.42    0.156      .9227934     1.651566
       ip80c80 |    .0944572    .0248356     -8.97    0.000      .0564195     .1581396
       ip80c81 |    .5286201    .1101932     -3.06    0.002      .3513233     .7953904
       ip80c82 |    .9076453    .1736665     -0.51    0.613      .6238059     1.320635
       ip80c83 |    1.254901    .2461336      1.16    0.247      .8543909     1.843157
       ip80c84 |    1.344031    .2357427      1.69    0.092      .9530346     1.895439
       ip80c85 |    1.691789    .3309817      2.69    0.007      1.152968     2.482421
       ip80c86 |    1.359637    .2502517      1.67    0.095       .947879     1.950263
       ip80c87 |    1.144414    .1901503      0.81    0.417      .8263268     1.584947
       ip80c88 |    1.153296    .2067754      0.80    0.426      .8115741     1.638904
       ip80c89 |    1.110293    .1931763      0.60    0.548      .7894773     1.561476
       ip80c90 |    1.216718    .2217401      1.08    0.282      .8512618     1.739069
       ip80c91 |    1.133129    .1977639      0.72    0.474      .8048593     1.595287
       ip80c92 |    1.304348    .2244676      1.54    0.123       .930912     1.827588
       ip80c93 |    .9954374    .1854925     -0.02    0.980      .6908738     1.434264
       ip80c94 |    1.028296     .177361      0.16    0.871      .7333355     1.441896
       ip80c95 |    1.104714    .1902101      0.58    0.563      .7882966     1.548139
       ip80c96 |    1.167736    .2134935      0.85    0.396      .8160603     1.670964
       ip80c97 |    1.330839     .213941      1.78    0.075      .9711566     1.823735
       ip80c98 |    1.294099    .2185491      1.53    0.127      .9294277     1.801854
       ip80c99 |    1.081362    .1729005      0.49    0.625      .7904445      1.47935
       ip81c81 |    .0504187    .0203522     -7.40    0.000      .0228556     .1112221
       ip81c82 |    .5066971    .1072486     -3.21    0.001      .3346427     .7672123
       ip81c83 |     1.02391    .2068176      0.12    0.907      .6891743     1.521228
       ip81c84 |    1.388232    .2721366      1.67    0.094      .9453664     2.038563
       ip81c85 |    1.635547    .3400472      2.37    0.018      1.088151      2.45831
       ip81c86 |    1.252161    .2516598      1.12    0.263      .8444724     1.856671
       ip81c87 |    1.252088    .2274399      1.24    0.216      .8770318     1.787534
       ip81c88 |    1.180526    .2624633      0.75    0.455      .7635368     1.825244
       ip81c89 |    1.369902     .273014      1.58    0.114      .9269354     2.024553
       ip81c90 |     1.21854    .2418817      1.00    0.319       .825801     1.798061
       ip81c91 |    1.090374    .2450479      0.38    0.700      .7019053      1.69384
       ip81c92 |    1.155437     .212228      0.79    0.432      .8061196     1.656125
       ip81c93 |    1.157758    .2379968      0.71    0.476      .7738178     1.732194
       ip81c94 |    .9089465      .19054     -0.46    0.649      .6027028     1.370798
       ip81c95 |    1.198847    .2500881      0.87    0.385      .7965207     1.804391
       ip81c96 |    1.232395    .2632268      0.98    0.328       .810853     1.873086
       ip81c97 |    1.232707     .271794      0.95    0.343      .8001703     1.899055
       ip81c98 |     1.31855    .2715154      1.34    0.179      .8806787      1.97413
       ip81c99 |      1.0496    .1885469      0.27    0.788      .7381026     1.492558
       ip82c82 |    .0433526    .0163381     -8.33    0.000      .0207123      .090741
       ip82c83 |    .4154431    .0942745     -3.87    0.000      .2662885     .6481428
       ip82c84 |    1.027533    .2263317      0.12    0.902      .6672738     1.582295
       ip82c85 |    1.302079    .2926697      1.17    0.240      .8381307     2.022846
       ip82c86 |     1.09034    .2192313      0.43    0.667      .7352136     1.617001
       ip82c87 |    1.120448    .2240052      0.57    0.569      .7572086     1.657937
       ip82c88 |    1.054431    .1943235      0.29    0.774      .7347645     1.513171
       ip82c89 |    1.080069    .2190666      0.38    0.704      .7257801     1.607303
       ip82c90 |     1.19326     .236827      0.89    0.373      .8087174     1.760652
       ip82c91 |    1.073556    .2007231      0.38    0.704       .744175     1.548724
       ip82c92 |    1.038642    .2057618      0.19    0.848      .7044291      1.53142
       ip82c93 |    1.053105    .1955256      0.28    0.780      .7318681     1.515343
       ip82c94 |    1.174122    .2077009      0.91    0.364      .8301114     1.660695
       ip82c95 |    1.104878    .2069371      0.53    0.594      .7654017     1.594922
       ip82c96 |    1.338495    .2524927      1.55    0.122      .9247981     1.937255
       ip82c97 |    1.316577     .237734      1.52    0.128      .9241557     1.875632
       ip82c98 |    1.253527    .2196984      1.29    0.197      .8890956     1.767335
       ip82c99 |    1.101564    .1783931      0.60    0.550      .8019766     1.513066
       ip83c83 |    .1852232     .069089     -4.52    0.000      .0891649     .3847662
       ip83c84 |    .6262321    .1223782     -2.40    0.017      .4269664     .9184954
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       ip85c96 |    1.285679    .2099595      1.54    0.124      .9335247     1.770676
       ip85c97 |     1.22217    .2267469      1.08    0.280       .849591      1.75814
       ip85c98 |    1.440646    .2143067      2.45    0.014      1.076303     1.928323
       ip85c99 |    1.212997    .1767744      1.32    0.185      .9116147     1.614018
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       ip77c04 |    1.068545    .1049314      0.68    0.500      .8814642     1.295332
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       ip78c01 |    1.187567    .2141442      0.95    0.340      .8340031     1.691018
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       ip78c03 |    1.218086    .1566377      1.53    0.125      .9467147     1.567244
       ip78c04 |    1.225568     .132332      1.88    0.060      .9918086     1.514421
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       ip81c02 |    1.010984    .1317534      0.08    0.933      .7830944     1.305192
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  ia2journal37 |    1.000651    .0006953      0.94    0.349       .999289     1.002015
  ia2journal38 |    1.003513    .0004146      8.49    0.000      1.002701     1.004326
  ia2journal39 |    .9995998    .0005184     -0.77    0.440      .9985844     1.000616
  ia2journal40 |    1.001152    .0004274      2.70    0.007      1.000315      1.00199
  ia2journal41 |     1.00092    .0003969      2.32    0.020      1.000142     1.001698
  ia2journal42 |    1.002831    .0004492      6.31    0.000      1.001951     1.003712
  ia2journal43 |    .9964858    .0004639     -7.56    0.000       .995577     .9973955
  ia2journal44 |    3.68e-07    3.40e-06     -1.61    0.108      5.21e-15     26.04454
  ia2journal45 |    1.001237    .0004826      2.57    0.010      1.000292     1.002184
  ia2journal46 |    1.003214     .000437      7.37    0.000      1.002357     1.004071
  ia2journal47 |    1.013116     .001287     10.26    0.000      1.010597     1.015642
  ia2journal48 |    1.009131    .0010025      9.15    0.000      1.007168     1.011098
  ia2journal49 |    1.002499    .0004203      5.95    0.000      1.001675     1.003323
  ia2journal50 |    .9977669    .0003822     -5.84    0.000      .9970181     .9985164
  ia2journal51 |    1.004564     .000702      6.52    0.000      1.003189     1.005941
  ia2journal52 |    1.008296    .0009088      9.17    0.000      1.006516     1.010079
  ia2journal53 |     .995084    .0005972     -8.21    0.000      .9939141     .9962552
  ia2journal54 |    1.003277    .0004021      8.16    0.000      1.002489     1.004065
  ia2journal55 |    1.002009    .0006559      3.07    0.002      1.000725     1.003296
  ia2journal56 |    .9972157    .0008347     -3.33    0.001      .9955809     .9988531
  ia2journal57 |    1.005238    .0005041     10.42    0.000       1.00425     1.006226
  ia2journal58 |    1.000001    .0003592      0.00    0.997      .9992975     1.000706
  ia2journal59 |    .9990164    .0004413     -2.23    0.026      .9981518     .9998818
  ia2journal60 |    1.001311    .0004343      3.02    0.003       1.00046     1.002163
  ia2journal61 |       .9972    .0008434     -3.32    0.001      .9955484     .9988544
  ia2journal62 |     1.00006    .0003615      0.17    0.868      .9993517     1.000769
  ia2journal63 |    1.001248    .0009121      1.37    0.171      .9994616     1.003037
  ia2journal64 |    .9959403    .0004676     -8.66    0.000      .9950242     .9968573
  ia2journal65 |    1.003283    .0008915      3.69    0.000      1.001537     1.005031
  ia2journal66 |    1.004047    .0004052     10.01    0.000      1.003253     1.004841
  ia2journal67 |     1.00185    .0008192      2.26    0.024      1.000245     1.003457
  ia2journal68 |    1.002468    .0004487      5.51    0.000      1.001589     1.003348
  ia2journal69 |    1.000571    .0003489      1.64    0.101      .9998878     1.001255
  ia2journal70 |     1.00944    .0013807      6.87    0.000      1.006737     1.012149
  ia2journal71 |    1.001866    .0003486      5.36    0.000      1.001182     1.002549
  ia2journal72 |    .9968675    .0004333     -7.22    0.000      .9960187      .997717
  ia2journal73 |    1.000218    .0003778      0.58    0.564      .9994776     1.000959
  ia2journal74 |    .9979527    .0004473     -4.57    0.000      .9970764     .9988298
  ia2journal75 |    .9843397    .0053257     -2.92    0.004      .9739568     .9948333
  ia2journal76 |    1.001011    .0004423      2.29    0.022      1.000144     1.001878
  ia2journal77 |     1.00358     .000475      7.55    0.000       1.00265     1.004512
  ia2journal78 |    1.003079     .000325      9.49    0.000      1.002442     1.003716
  ia2journal79 |    1.002363    .0004068      5.82    0.000      1.001566     1.003161
  ia2journal80 |    1.002965    .0003564      8.33    0.000      1.002267     1.003664
  ia2journal81 |    1.008919    .0004461     20.08    0.000      1.008045     1.009794
  ia2journal82 |    .9945672    .0004953    -10.94    0.000      .9935968     .9955385
  ia2journal83 |    1.000399     .000368      1.08    0.278      .9996782     1.001121
  ia2journal84 |    1.000498    .0005926      0.84    0.401      .9993372      1.00166
  ia2journal85 |    .9768545    .0007291    -31.38    0.000      .9754267     .9782845
  ia2journal86 |    1.001669    .0006368      2.62    0.009      1.000422     1.002918
  ia2journal87 |    1.005042    .0003199     15.80    0.000      1.004415     1.005669
          op00 |    .9128757    .0552129     -1.51    0.132      .8108285     1.027766
          os00 |    1.106476    .0826582      1.35    0.176      .9557708     1.280944
          oh00 |    1.114193    .1062164      1.13    0.257       .924305     1.343092
          om00 |     1.19982    .2314012      0.94    0.345      .8221488     1.750981
          jp95 |    .9704101    .0442128     -0.66    0.510       .887511     1.061052
          jp00 |    1.044525    .0687925      0.66    0.508      .9180336     1.188445
          ep00 |    .9985132    .0925568     -0.02    0.987      .8326299     1.197445
          jsfs |    1.098014    .0710681      1.44    0.149      .9671963     1.246526
          jsfp |    1.096343    .0801227      1.26    0.208      .9500341     1.265185
          jsfd |    1.007397    .0541474      0.14    0.891      .9066686     1.119315
           esf |    .9954877    .2855844     -0.02    0.987      .5673409     1.746738
---------------+----------------------------------------------------------------
Wald chi2(418) =  5.7e+16                                Prob > chi2 =   0.0000

. * Stats for elasticities;
. summ jsfs if jsfs > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfs |        656    .8991158    .7002373        .14       2.77

. summ jsfp if jsfp > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfp |        266     1.44312    .8681086        .14       2.77

. summ jsfd if jsfd > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        jsfd |        694    1.410461    .8381162        .14       2.77

. summ esf  if esf  > 0;

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         esf |        555     .400955    .1524564        .19         .9

. * Other;
. clear;

. use region_temp_1;

. replace jss2 = jss2_oth;
(1,816 real changes made)

. replace es2 = es2_oth;
(555 real changes made)

. * JSTOR subs variables;
. gen jsfs = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial == 0) * (other_full == 0);

. gen jsfp = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_partial > 0) * (other_full == 0);

. gen jsfd = jss2 * (jstor1 == 0) * (jstor2 == 1) * (other_full >= 1);

. * Elsevier subs;
. gen esf = es2 * (elsevier1 == 0) * (elsevier2 == 1);

. * screen for small numbers within digitization categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(5 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * apply second screen to pick up newly created small categories;
. foreach var in op95 op00 os95 os00 oh95 oh00 om95 om00
>                jp95 jp00
>                ep95 ep00 ecf95 ecf00
>                jsfs_dum jsfp_dum jsfd_dum esf_dum {;
  2.    quietly egen countvar = total(`var' > 0);
  3.    drop if (countvar <= threshold) & (`var' > 0);
  4.    drop countvar;
  5.    };
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
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(0 observations deleted)
(0 observations deleted)
(0 observations deleted)
(0 observations deleted)

. * Run regression;
. xtpqml coth_sing_auth ip* ia1j*
>            op95 op00 os95 os00 oh95 oh00 om95 om00
>            jp95 jp00
>            ep95 ep00 ecf95 ecf00
>            jsfs jsfp jsfd esf,
>            i(volume) irr fe cluster(journal);
note: 58 groups (1437 obs) dropped because of all zero outcomes
note: ia1journal44 dropped because of collinearity
note: op95 dropped because of collinearity
note: os95 dropped because of collinearity
note: oh95 dropped because of collinearity
note: om95 dropped because of collinearity
note: ep95 dropped because of collinearity
note: ecf95 dropped because of collinearity
note: ecf00 dropped because of collinearity

Iteration 0:   log likelihood = -17964.001
Iteration 1:   log likelihood =  -15706.03
Iteration 2:   log likelihood = -15449.625
Iteration 3:   log likelihood =  -15422.87
Iteration 4:   log likelihood =  -15420.49
Iteration 5:   log likelihood = -15420.082
Iteration 6:   log likelihood = -15419.993
Iteration 7:   log likelihood = -15419.975
Iteration 8:   log likelihood = -15419.971
Iteration 9:   log likelihood =  -15419.97
Iteration 10:  log likelihood =  -15419.97
Iteration 11:  log likelihood =  -15419.97
--Break--
r(1);

end of do-file

--Break--
r(1);

. exit, clear