Cross-sectional time-series FGLS regression
Coefficients: generalized least squares
Panels: heteroskedastic
Correlation: no autocorrelation
Estimated covariances = 3 Number of obs = 186
Estimated autocorrelations = 0 Number of groups = 3
Estimated coefficients = 5 Obs per group: min = 54
avg = 62
max = 72
Wald chi2(4) = 791.33
Log likelihood = -623.695 Prob > chi2 = 0.0000
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urbanization | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
lngdp | 19.96404 1.278192 15.62 0.000 17.45883 22.46925
migration | 1.364924 .3058243 4.46 0.000 .7655195 1.964329
mreg2 | -1.425026 .491256 -2.90 0.004 -2.38787 -.4621821
mreg3 | -1.171471 .3444921 -3.40 0.001 -1.846663 -.4962785
_cons | -148.7322 11.64388 -12.77 0.000 -171.5538 -125.9106
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用stata做异方差检验,结果如上。不太清楚是否存在异方差,哪位牛人帮忙解读一下,谢谢!!!


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