Evaluating the Effect of China’s Carbon Emission Trading Policy on Energy Efficiency of the Construction Industry Based on a Difference-in-Differences Method
Table 1
Description of the variables.
Variables
Definition
Description
Source
Lnee
Energy efficiency of the construction industry
The natural logarithm of the ratio of gross output value to energy consumption in the construction industry
CSYC
CESY
Productivity
Labor productivity
The per capita labor productivity of construction enterprises from raw data
CSYC
Machinery
Mechanical power equipment
The per capita mechanical power equipment of construction enterprises from raw data
CSYC
Urbanratio
Urbanization
The urban population as a percentage of the total population from raw data
CSY
Lnesratio
Energy structure
The natural logarithm of electric consumption as a percentage of total energy consumption in the construction industry
CESY
Rdratio
Technological innovation
The ratio of R&D expenditure to GDP from raw data
CSY
Lneninratio
Environmental regulation level of the government
The natural logarithm of the ratio of environmental protection expenditure to total government expenditure
