中国城市知识合作网络结构演化的影响机制

戴靓, 曹湛, 马海涛, 纪宇凡

The influencing mechanisms of evolving structures of China's intercity knowledge collaboration networks

DAI Liang, CAO Zhan, MA Haitao, JI Yufan

表4 加权指数随机图模型拟合结果

Tab. 4 Simulation results of exponential random graph models

变量类型	自变量		模型1	模型2	模型3	模型4	模型5	模型6	模型7	模型8	模型9	模型10	模型11	模型12
网络结构变量	网络构型	Edges	-1.660^***	-1.656^***	-1.544^***	-1.384^***	-1.836^***	-1.007^***	-1.070^***	-1.053^***	-1.073^***	-1.059^***	-1.067^***	-1.078^***
			(0.021)	(0.032)	(0.003)	(0.057)	(0.013)	(0.054)	(0.060)	(0.057)	(0.069)	(0.072)	(0.061)	(0.062)
		K-star	0.478^***	0.475^***	0.519^***	0.560^***	0.527^***	0.585^***	0.594^***	0.628^***	0.622^***	0.634^***	0.631^***	0.626^***
			(0.011)	(0.014)	(0.002)	(0.020)	(0.003)	(0.019)	(0.023)	(0.021)	(0.028)	(0.024)	(0.024)	(0.021)
城市属性变量	行政等级	capital		0.017
(节点协变量)				(0.064)
	知识规模	R&D			0.000^***
					(0.000)
		university				0.050^***	0.048^***	0.046^***	0.047^**	0.047^**	0.047^**	0.048^***	0.048^***	0.047^***
						(0.002)	(0.001)	(0.002)	(0.002)	(0.002)	(0.003)	(0.003)	(0.003)	(0.002)
		PGDP					0.000^***
							(0.000)
	知识邻近	HHI						-2.256^***	-2.229^***	-2.785^***	-2.501^***	-2.581^***	-2.635^***	-2.629^***
								(0.347)	(0.369)	(0.303)	(0.302)	(0.256)	(0.285)	(0.378)
	文化邻近	dialect							0.245^***	0.146^**	0.145^**	0.135^**	0.140^**	0.135^**
									(0.041)	(0.047)	(0.044)	(0.050)	(0.046)	(0.044)
	制度邻近	province								1.817^***	1.490^***	1.525^***	1.482^***	1.514^***
										(0.088)	(0.153)	(0.140)	(0.164)	(0.157)
		region									0.380^**	0.314^**	0.375^**	0.359^**
											(0.140)	(0.102)	(0.129)	(0.124)
城际关系变量	地理邻近	distance										-0.067
(边协变量)												(0.055)
		HSR											0.048^**
													(0.043)
	社会邻近	path												1.133^***
	路径依赖													(0.030)
Akaike Inf. Crit. (AIC)			-20627	-20747	-20649	-20808	-20774	-21204	-21183	-21407	-21472	-21660	-21461	-22547
Bayesian Inf. Crit. (BIC)			-20611	-20724	-20625	-20785	-20743	-21173	-21145	-21360	-21417	-21598	-21399	-22485