The Effect of Innovation Investment on Environmental Total Factor Productivity

Table 7

Estimation results of decomposition effect of Durbin model in double fixed effect space.

Direct effect			Indirect effect			Total effect
Variable	Geographic distance matrix	Economic distance matrix	Variable	Geographic distance matrix	Economic distance matrix	Variable	Geographic distance matrix	Economic distance matrix
I	0.096	0.174	I	1.453	0.364	I	1.549	0.381
	(2.747)	(2.541)		(1.076)	(9.061)		(1.150)	(9.161)
E	0.517	0.276	E	0.624	0.449	E	1.141	0.725
	(7.817)	(8.171)		(2.986)	(2.331)		(2.950)	(2.321)
S	−0.068	−0.140	S	−0.388	−0.257	S	−0.320	0.117
	(0.075)	(0.073)		(0.362)	(0.245)		(0.366)	(0.281)
H	−0.147	0.113	H	0.169	0.041	H	−0.021	−0.154
	(5.506)	(5.901)		(−0.001)	(0.001)		(−0.001)	(0.001)
F	0.043	0.062	F	0.149	0.006	F	0.192	0.069
	(−0.023)	(−0.023)		(0.107)	(−0.071)		(0.101)	(0.075)