社会—生态脆弱性相互关系的计量推断方法
李宁, 张正涛, 郝晓琳

Quantitative inference method for the relationship between social and ecological vulnerabilities
Ning LI, Zhengtao ZHANG, Xiaolin HAO
表3 过度识别检验
Tab.3 Tests of overidentifying restrictions
内生变量 SoVI(IV: Nei, City)
Sargan
显著水平
1980s 1990s 2000s
2.80298
(0.0941)
1.37466
(0.2410)
2.12708
(0.1447)
内生变量 NPPI(IV: PT)
Sargan
显著水平
1980s 1990s 2000s
9.33124
(0.0023)
1.51412
(0.2185)
0.957537
(0.3278)