基于公共产品视角的水资源利用效率提升路径研究
李俊鹏, 郑冯忆, 冯中朝

Study on the improvement path of water resource utilization efficiency from the perspective of public products
Junpeng LI, Fengyi ZHENG, Zhongchao FENG
表9 空间杜宾模型回归结果
Table 9 Results of SDM
变量 传统Tobit SDM SDM SDM(0-1矩阵) SEM SAR
infra2(t-2) -0.002
(-0.11)		 - -0.072***
(-3.28)		 -0.039**
(-2.17)		 -0.126**
(-2.14)		 -0.127***
(-3.14)
infra(t-2) 0.086*
(1.71)		 0.324***
(5.10)		 0.731***
(5.57)		 0.399**
(2.34)		 0.170***
(2.61)		 0.171***
(3.82)
inex 0.200***
(3.83)		 0.227***
(3.18)		 0.448***
(6.82)		 0.203***
(3.17)		 0.111***
(3.54)		 0.108***
(6.37)
stru -0.033
(-0.48)		 -0.390***
(-5.24)		 -0.113**
(-2.04)		 -0.063
(-0.86)		 0.022
(0.76)		 0.025
(1.01)
regu 0.118
(2.14)		 -0.031
(-0.72)		 -0.001
(-0.02)		 -0.042
(-1.05)		 0.086***
(2.97)		 0.088***
(3.34)
tech -0.292***
(-3.80)		 -0.207***
(-4.30)		 -0.036
(-0.46)		 0.015
(0.35)		 -0.059
(-1.20)		 -0.052
(-1.50)
W×infra2(t-2) - - -0.053
(-1.04)		 0.031
(0.68)		 - -
W×infra(t-2) - 0.229
(1.34)		 1.109***
(3.54)		 0.582*
(1.51)		 - -
W×inex - -0.257
(-1.09)		 -1.013***
(-4.08)		 -0.284**
(-2.22)		 - -
W×stru - -0.462***
(-3.51)		 -0.613***
(-5.58)		 0.103
(0.77)		 - -
W×regu - 0.082
(1.03)		 -0.202
(-1.55)		 -0.036
(-0.54)		 - -
W×tech - -0.099
(-0.65)		 -0.237
(-1.06)		 -0.009
(-0.09)		 - -
相关系数平方corr2 - 0.175 0.632 0.484 - -
R2 0.535 0.900 0.922 0.920 0.144 0.142
对数似然值 -332.80 -91.51 -333.38 -115.31 -35.02 -34.76
LR-test - 42.93(0.000) - - -
Wald内生变量空间滞后统计检验量 - 28.816*** 16.904*** 30.966*** - -
Wald误差项空间自回归统计检验量 - 26.877*** 16.918*** 30.802*** - -