网络权力、知识溢出对中国城市绿色经济效率的影响
盛科荣, 王丽萍, 孙威

Impacts of network power and knowledge spillovers on China’s urban green economic efficiency
SHENG Kerong, WANG Liping, SUN Wei
表4 知识溢出门槛模型分析结果
Table 4 Analysis of the threshold effects of knowledge spillovers
变量 (1) (2) (3) (4)
NG-1 0.4428***
(15.26)
0.4324***
(14.97)
0.4378***
(15.19)
0.4313***
(14.93)
NG-2 0.4876***
(15.64)
0.4774***
(15.35)
0.4813***
(15.57)
0.4761***
(15.31)
NG-3 0.6396***
(14.73)
0.5283***
(14.45)
0.5321***
(14.65)
0.5268***
(14.41)
NP 0.0924***
(4.04)
0.0011***
(3.08)
0.6354***
(3.92)
0.0200***
(2.92)
控制变量 引入 引入 引入 引入
NP测度指标 degree bpower coreness between
样本量 678 678 678 678