中国新四化对能源强度的影响
李标, 宋长旭, 吴贾, 吴波

Influence of development of China's ‘four modernizations’ on energy intensity
Biao LI, Changxu SONG, Jia WU, Bo WU
表3 POLS和SYS-GMM回归结果
Table 3 Estimation results for POLS model and SYS-GMM model
变量 POLS SYS-GMM
回归1 回归2 回归3 回归4 回归5 回归6 回归7 回归8
lrjgdp 0.898*** 0.142 0.305** 0.242* -2.144* 0.059 1.834*** 0.012
(0.327) (0.161) (0.130) (0.123) (1.116) (0.404) (0.357) (0.378)
lel 0.052 0.252*** 0.326*** 0.358*** 0.337*** 0.024 0.071*** 0.236***
(0.085) (0.041) (0.031) (0.030) (0.094) (0.028) (0.029) (0.026)
lek 0.851*** 0.389*** 0.425*** 0.337*** 0.727*** 0.399*** 0.597*** 0.361***
(0.124) (0.062) (0.047) (0.049) (0.107) (0.042) (0.049) (0.033)
lurb -5.675*** (0.368) -19.514*** -2.220*** -0.596* -19.224***
(0.510) (0.635) (4.986) (0.420) (0.354) (5.807)
lind -1.352*** -1.093*** -20.931*** -1.074*** -0.805*** -18.934***
(0.328) (0.239) (5.133) (0.242) (0.184) (5.643)
linf -16.333*** -39.415*** -9.837*** -31.287***
(2.036) (6.268) (1.281) (6.186)
lagr -2.351*** -22.138*** -0.827 -19.932***
(0.479) (5.135) (0.556) (6.228)
luiia 1.541*** 1.444***
(0.398) (0.450)
y-1 0.533*** 0.537*** 0.297*** 0.270***
(0.138) (0.041) (0.037) (0.052)
常数项 -14.635*** 15.265*** 41.341*** 187.841*** -11.778*** 3.441** 17.083*** 161.310***
(4.053) (2.412) (3.409) (38.007) (2.960) (1.635) (3.480) (42.198)
样本数 120 120 120 120 90 90 90 90
IV过度识别检验 0.029 0.178 0.738 0.951