From individual social capital to collective social capital: empirical evidence from inter-firm financing trust network

The Journal of Chinese Sociology

Table 6 KHB analysis of mediating effect N = 218

Independent variable	Dependent variables: network type, mediating variable, trust radius of firm
	Model 15	Model 16	Model 17
	No endogeneity control	Grouping endogeneity	Category endogeneity
Social relation
Total effect	− 3.271*** (.921)	− 4.883*** (1.072)	− 3.550*** (.982)
Direct effect	− 1.514 (.959)	− 3.684*** (1.107)	− 2.404** (1.016)
Indirect effect	− 1.758** (.633)	− 1.200** (.521)	− 1.145** (.504)
Social prestige
Total effect	1.910*** (.534)	1.171** (.602)	1.111** (.569)
Direct effect	.350 (.547)	.310 (.632)	.183 (.599)
Indirect effect	1.560** (.639)	.861** (.445)	.928** (.461)
Adjusted R²	.320	.460	.420

The regression model is ologit, other variables include company history, company size, business diversification, public listing, kinship proximity, geographic proximity, industrial proximity, and classification homogeneity. Group controlling variables are added to Model 16 and classification control variables are added to Model 17