How Does Knowledge Coupling Affect Firm’s Incremental Innovation? The Moderating Effects of Government Support Policies

Table 4

Moderating effect test of government support policies.

Variables	Incremental innovation
	Model 1	Model 2	Model 3
Controls
Firm age	0.010	0.108	0.106
Firm size	−0.006	−0.023	−0.004
Technology turbulence	0.543	0.335	0.313
Predictors
Complementary knowledge coupling		0.251	0.197
Substitutable knowledge coupling		0.217	0.178
Finance and tax policy support		−0.002	−0.010
Innovation environmental support		0.042	0.081
Complementary knowledge coupling finance and tax policy support			0.207
Substitutable knowledge coupling ^∗ finance and tax policy support			−0.353
Complementary knowledge coupling  innovation environmental support			−0.183
Substitutable knowledge coupling innovation environmental support			0.329
F	40.125	25.966	18.143
R^2	0.304	0.401	0.428
Adjusted R^2	0.297	0.386	0.404

Note. ^∗∗∗P < 0.001; ^∗∗P < 0.01.