The Effects of Knowledge Base Diversity on Cross-Industry Innovation Performance: The Moderating Role of Network Embeddedness

Table 3

Robustness test.

Variable	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6	Model 7
KS	−0.36	−0.16	−0.16	−0.25	−0.24	−0.29	−0.26
KB	0.77	0.20	0.18	0.44	0.49	0.45	0.50
RKBD		0.80	0.84	0.63		0.61
RKBD^2		−0.20	−0.19	0.29		0.35
NKBD		0.79	0.74		0.73		0.75
NKBD^2		0.35	0.34		0.36		0.33
SE			−0.08	−0.12	−0.06
RE			0.10			−0.06	−0.03
SERKBD				−0.07
SERKBD^2				0.30
SENKBD					0.04
SENKBD^2					0.27
RERKBD						−0.03
RERKBD^2						0.56
RENKVD							0.22
RENKBD^2							0.53
R^2	0.41	0.55	0.56	0.49	0.51	0.51	0.51
F	37.12	42.08	36.03	29.76	32.23	32.29	32.71

, , and suggest that the parameter estimates are significant at 1%, 5%, and 10%, respectively.