Industry Development Tendency and Innovation Strategy Preference of Five Typical Industries under the Background of Low-Carbon Sustainable Development in China

Table 3

Results of mediating effect analyses of innovation strategy.

Variables	Dependent variable: technology innovation
	Model 1	Model 2	Model 3a	Model 3b
Control variables
Firm property	0.045	0.034	0.012	−0.005
Number of employees	−0.236	−0.224	−0.182	−0.185
Number of R&D researchers	0.513	0.470	0.38	0.338
Independent variable
Industry type		0.130	0.105	0.051
Mediating variable
Exploitative innovation (a)			0.287
Exploratory innovation (b)				0.557
R^2	0.137	0.152	0.230	0.461
F	17.562	14.902	19.748	56.726

N = 337 (two-tailed test). , , and .