Analysis on Logistics Efficiency Measurement of New Western Land-Sea Corridor under the Background of “Double Carbon” and Ecological Environment Protection
Table 6
Second stage for SFA regression results.
Variable
Capital stock slack variable
Employee slack variable
Energy consumption slack variable
Coefficient
t value
Coefficient
t value
Coefficient
t value
Constant term
−550.08
−1.58
12.75
0.90
8.63
0.50
Economic condition
−15.18
−1.74
−6.70
Informatization development
177.01
−2.74
5.13
Industry market scale
−4.29
−415.43
−0.71
4.95
Import and export
296.32
0.34
6.41
231.79
3.01
Sigma-squared
2627652.00
66.78
6556.07
Gamma
7.65
10.71
20.83
Log likelihood function
−1076.76
−717.98
−740.05
One-sided likelihood ratio test
Note.,, and are significant at 10%, 5%, and 1%, respectively.