[Retracted] Regional Variation in the Carbon Dioxide Emission Efficiency of Construction Industry in China: Based on the Three-Stage DEA Model

Table 5

SFA regression results.

	Slack variable of labor force			Slack variable of capital			Slack variable of technical equipment
	Coefficient	Standard-error	T-ratio	Coefficient	Standard-error	T-ratio	Coefficient	Standard-error	T-ratio
Constant value	1.53E + 01	1.62E + 00	9.42E + 00	3.98E + 01	3.37E − 01	1.18E + 02	2.11E + 01	5.03E − 01	4.21E + 01
Per capita GDP	5.85E + 00	2.57E + 00	2.28E + 00	2.97E + 01	7.29E − 01	4.07E + 01	1.37E + 01	2.76E − 01	4.95E + 01
Industrial structure	2.14E + 01	1.03E + 00	2.09E + 01	−5.20E + 01	9.92E − 01	−5.24E + 01	−1.96E + 02	9.95E − 01	−1.97E + 02
Urbanization	−7.71E + 01	1.24E + 00	−6.20E + 01	−2.09E + 02	9.47E − 01	−2.21E + 02	−5.50E + 01	9.55E − 01	−5.76E + 01
Sigma squared	1.50E + 03	1.00E + 00	1.50E + 03	1.58E + 05	1.00E + 00	1.58E + 05	8.40E + 04	1.00E + 00	8.40E + 04
Gamma	1.00E + 00	8.69E − 06	1.15E + 05	1.00E + 00	2.68E − 07	3.74E + 06	1.00E + 00	3.65E − 07	2.74E + 06
Log likelihood function	−0.13014126E + 03			−0.19777372E + 03			−0.18850616E + 03
LR test of the one-sided error	0.16321106E + 02			0.20882593E + 02			0.20445934E + 02

Notes: significant at 1%, significant at 5%, significant at 10%.