Carbon Emission Influencing Factors and Scenario Prediction for Construction Industry in Beijing–Tianjin–Hebei

Table 3

Ridge regression coefficients of the three models.

Variable	Basic model	Affluence EKC model	Energy intensity EKC model
Log of energy intensity ln F	0.51	0.51	−0.07
Log of industrial structure ln R	0.69	0.71	0.67
Log of affluence ln U	0.45	0.02	0.45
Diesel energy consumption share log ln B	0.43	0.44	0.45
Log of population ln P	1.84	1.85	1.72
Constant term	−13.04	−10.67	−12.95
Corrected discriminant coefficient	0.99	0.99	0.99

EKC, environmental Kuznets curve.