Research on Green Innovation Efficiency of ListedChinese Energy Companies Based on Triple Bottom Line
Table 4
Panel SFA regression results of the second stage.
Relaxation variable coefficient
Manpower input (model 1)
Financial input (model 2)
Material input (model 3)
Constant term
32.32 (0.0001)
14.43 (0.0001)
21.25 (0.0001)
Level of economic development
−0.182 (0.0001)
0.132 (0.0001)
0.075 (0.019)
Openness
−2.439 (0.0001)
−3.274 (0.0001)
16.285 (0.838)
Government support
12.072 (0.007)
1.134 (0.035)
6.208 (0.021)
η
0
0.005 (0.0001)
0.009 (0.0001)
σ 2
88120.00
9835.00
24828.00
γ
0.574
0.393
0.999
LR unilateral error
71.32
48.35
54.35
TI or TVD
Constant coefficient model
Time-varying recession model
Time-varying recession model
,, and represent the significance of 1%, 5%, and 10%, respectively. The numbers in parentheses are the values of the estimated values of the corresponding parameters.