. xtset province year panel variable: province (strongly balanced) time variable: year, 2010 to 2011 delta: 1 unit . sum ngo_incid prt_prov us_prt coal_prt usmil_pres ngo_proj ngo_expend_mil coal_fatal journ_incid prisoners poppy_hect afg_bord pak_bord distance_kabul radio_perc mobile_perc netaccess_per > c gengovtstud_thous genprivstud population_thous Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- ngo_incid | 68 4.485294 4.879114 0 18 prt_prov | 68 .7647059 .4273363 0 1 us_prt | 68 .4117647 .4958121 0 1 coal_prt | 68 .4411765 .5002194 0 1 usmil_pres | 68 .7352941 .4444566 0 1 -------------+-------------------------------------------------------- ngo_proj | 68 173.7647 183.0462 15 1250 ngo_expend~l | 68 21.29273 34.52412 .639814 188.8353 coal_fatal | 68 17.22059 41.36941 0 290 journ_incid | 68 1.441176 4.031156 0 32 prisoners | 68 651.3529 1261.251 1 7591 -------------+-------------------------------------------------------- poppy_hect | 68 3729.147 11860.82 0 65045 afg_bord | 68 .5588235 .5002194 0 1 pak_bord | 68 .3235294 .471301 0 1 distance_k~l | 68 173.8784 122.8056 0 492.369 radio_perc | 68 70.61765 21.73657 22 99 -------------+-------------------------------------------------------- mobile_perc | 68 61.26471 25.09125 8 97 netaccess_~c | 68 7.323529 8.781665 0 33 gengovtstu~s | 68 215.9832 207.6862 21.114 1086.816 genprivstud | 68 2209.603 7713.193 0 49371 population~s | 68 727.5485 645.0334 136.3 3818.7 . xtpcse ngo_incid prt_prov usmil_pres ngo_proj logngo_expend_mil coal_fatal journ_incid prisoners logpoppy2 afg_bord pak_bord distance_kabul radio_perc mobile_perc netaccess_perc gengovtst > ud_thous genprivstud Linear regression, correlated panels corrected standard errors (PCSEs) Group variable: province Number of obs = 68 Time variable: year Number of groups = 34 Panels: correlated (balanced) Obs per group: min = 2 Autocorrelation: no autocorrelation avg = 2 max = 2 Estimated covariances = 595 R-squared = 0.5761 Estimated autocorrelations = 0 Wald chi2(3) = 76.99 Estimated coefficients = 17 Prob > chi2 = 0.0000 ----------------------------------------------------------------------------------- | Panel-corrected ngo_incid | Coef. Std. Err. z P>|z| [95% Conf. Interval] ------------------+---------------------------------------------------------------- prt_prov | 3.332798 .6421285 5.19 0.000 2.074249 4.591347 usmil_pres | -1.27553 .7266122 -1.76 0.079 -2.699664 .1486041 ngo_proj | -.0022006 .006412 -0.34 0.731 -.014768 .0103667 logngo_expend_mil | 1.367961 .9257853 1.48 0.140 -.4465446 3.182467 coal_fatal | -.0037811 .0031688 -1.19 0.233 -.0099918 .0024295 journ_incid | .206191 .0536991 3.84 0.000 .1009427 .3114393 prisoners | -.0006384 .0008022 -0.80 0.426 -.0022107 .0009338 logpoppy2 | -.4651823 .1187351 -3.92 0.000 -.6978988 -.2324659 afg_bord | -3.108642 .5739412 -5.42 0.000 -4.233546 -1.983738 pak_bord | 2.700325 1.793949 1.51 0.132 -.8157518 6.216401 distance_kabul | .0264341 .005402 4.89 0.000 .0158464 .0370219 radio_perc | .0986834 .0068427 14.42 0.000 .0852719 .1120949 mobile_perc | -.0224049 .0168128 -1.33 0.183 -.0553575 .0105476 netaccess_perc | -.0583548 .0172901 -3.38 0.001 -.0922428 -.0244667 gengovtstud_thous | .0297797 .0033208 8.97 0.000 .023271 .0362884 genprivstud | -.00032 .00019 -1.68 0.092 -.0006924 .0000523 _cons | -12.81014 1.338444 -9.57 0.000 -15.43345 -10.18684 ----------------------------------------------------------------------------------- . xtpcse ngo_incid us_prt coal_prt usmil_pres ngo_proj logngo_expend_mil coal_fatal journ_incid prisoners logpoppy2 afg_bord pak_bord distance_kabul radio_perc mobile_perc netaccess_perc ge > ngovtstud_thous genprivstud Linear regression, correlated panels corrected standard errors (PCSEs) Group variable: province Number of obs = 68 Time variable: year Number of groups = 34 Panels: correlated (balanced) Obs per group: min = 2 Autocorrelation: no autocorrelation avg = 2 max = 2 Estimated covariances = 595 R-squared = 0.5797 Estimated autocorrelations = 0 Wald chi2(3) = 57.78 Estimated coefficients = 18 Prob > chi2 = 0.0000 ----------------------------------------------------------------------------------- | Panel-corrected ngo_incid | Coef. Std. Err. z P>|z| [95% Conf. Interval] ------------------+---------------------------------------------------------------- us_prt | 1.654844 1.871083 0.88 0.376 -2.012411 5.322098 coal_prt | 2.805626 .2588098 10.84 0.000 2.298368 3.312884 usmil_pres | -.7158751 1.538223 -0.47 0.642 -3.730738 2.298987 ngo_proj | -.0010839 .0057006 -0.19 0.849 -.0122569 .010089 logngo_expend_mil | 1.271801 .9516825 1.34 0.181 -.5934623 3.137065 coal_fatal | -.0093959 .0028103 -3.34 0.001 -.0149039 -.0038878 journ_incid | .1149568 .0731996 1.57 0.116 -.0285117 .2584254 prisoners | -.0004774 .000748 -0.64 0.523 -.0019436 .0009887 logpoppy2 | -.4136033 .121652 -3.40 0.001 -.6520368 -.1751698 afg_bord | -2.440355 .5490736 -4.44 0.000 -3.516519 -1.36419 pak_bord | 3.024249 1.44652 2.09 0.037 .189121 5.859376 distance_kabul | .0242531 .0044104 5.50 0.000 .0156088 .0328974 radio_perc | .1005673 .0180917 5.56 0.000 .0651083 .1360264 mobile_perc | -.0266425 .0114752 -2.32 0.020 -.0491335 -.0041515 netaccess_perc | -.0599095 .0270087 -2.22 0.027 -.1128456 -.0069734 gengovtstud_thous | .0285033 .0033085 8.62 0.000 .0220188 .0349878 genprivstud | -.0003035 .0002029 -1.50 0.135 -.0007012 .0000942 _cons | -12.33372 1.298116 -9.50 0.000 -14.87798 -9.789457 -----------------------------------------------------------------------------------