Symbol

Variable

Definition

Unit

Dependent

variable

C

CO2 emissions

Total Carbon emission of each province

Kiloton

Explanatory

variable

UR

Urbanization

The share of urban population in the total population of each province

%

IS

Industry structure

Proportion of secondary industry

%

EI

Energy intensity

Energy consumption per gross domestic product

Tce per 104 RMB Yuan

pgdp

GDP per capita

Representing the level of economic development

104 yuan

P

Population

The total population of each province

104

TE

Technology

Total number of patents

unit