xtivreg2 lnshops lnpeop ict tralevel lnavgedu year5-year15 ( lnrealout =L.lnfdi ) , fe gmm r endog(lnrealout)
xtivreg2 lnshops lnpeop ict tralevel lnavgedu year5-year15 ( lnrealout =L.lnfdi ) , fe gmm cluster(scode) endog(lnrealout)
检验工具变量的内生性,第一个命令检验结果是
| Endogeneity | test | of | endogenous | regressors: | 3.746 | |
| Chi-sq(1) | P-val | = | 0.0529 |
第二个命令检验结果是
| Endogeneity | test | of | endogenous | regressors: | 1.375 | |
| Chi-sq(1) | P-val | = | 0.2410 |
到底以哪个为准呢,请知道的朋友解答一下,谢谢


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