Variable | Index | Symbol | Unit |
---|---|---|---|
Explained variable | Energy consumption carbon footprint | EnerFP | hm2/person |
Explaining variable | Level of science popularization resources development | PCR | Â |
Control variable | Per capital GDP | PerGDP | Yuan/person |
 | Energy consumption per 10,000 yuan of added industrial value | IndEC | Tons of standard coal/ten thousand yuan |
 | Population density | PopD | Person/square km |