基于创新企业的中国城市网络联系特征

基于创新企业的中国城市网络联系特征

黄晓东, 马海涛, 苗长虹

Connectivity characteristics for city networks in China based on innovative enterprises

HUANG Xiaodong, MA Haitao, MIAO Changhong

表5 基于创新企业的中国城市网络影响因素的估计结果

Tab. 5 Regression results for the factors influencing city networks in China based on innovative enterprises

	模型1	模型2	模型3	模型4	模型5
流发出城市属性指标
UAD	0.096^**	0.162^***			0.243^***
	(0.04)	(0.04)			(0.031)
PGDP	0.275^***	0.311^***			0.386^***
	(0.044)	(0.043)			(0.034)
PCH	0.028^***	0.022^***			0.026^***
	(0.008)	(0.008)			(0.006)
STE	0.062^***	0.061^***			0.065^***
	(0.004)	(0.004)			(0.003)
TIZ	0.055^*	0.069^**			0.009
	(0.029)	(0.029)			(0.024)
AUFDI	-0.022^***	-0.024^***			-0.025^***
	(0.005)	(0.005)			(0.004)
流接收城市属性指标
UAD			0.135^***	0.180^***	0.284^***
			(0.041)	(-0.042)	(0.031)
PGDP			0.402^***	0.409^***	0.379^***
			(0.048)	(0.048)	(0.036)
PCH			0.074^***	0.086^***	0.055^***
			(0.009)	(0.009)	(0.006)
STE			0.019^***	0.013^***	0.036^***
			(0.005)	(-0.004)	(0.003)
TIZ			0.144^***	0.192^***	0.113^***
			(0.032)	(-0.032)	(0.025)
AUFDI			0.013^**	0.014^**	-0.006
			(0.006)	(0.006)	(0.005)
城市关系邻近性指标
GEOPRO		-0.161^***		-0.129^***	-0.114^***
		(0.025)		(0.026)	(0.02)
TECPRO		0.312^**		-1.617^***	1.241^***
		(0.135)		(0.137)	(0.121)
INSTPRO		0.380^***		0.366^***	0.811^***
		(0.047)		(0.049)	(0.037)
常数项	1.174^***	0.875^***	1.051^***	2.377^***	-1.450^***
	(0.058)	(0.131)	(0.055)	(0.131)	(0.127)
lnα	-0.162^***	-0.202^***	-0.072^***	-0.110^***	-0.888^***
	(0.021)	(0.021)	(0.02)	(0.02)	(0.026)
样本量	5124	5124	5124	5124	5124