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.