Research Article
The Impact of Urban-Rural Income Inequality on Environmental Quality in China
Table 1
Variables symbols and meanings.
| Variables | Meanings |
| Explained variable | EWater | Industrial wastewater discharge per capita | EGas | Industrial waste gas emissions per capita | EYF | Industrial smoke and dust emissions per capita | ESO2 | Industrial sulfur dioxide emissions per capita | ESoild | Industrial solid waste discharge per capita | E | Comprehensive index of environmental pollution | Core explanatory variables | G | Urban-rural income ratio | Control variables | EGDP | Real GDP per capita | EGDP2 | The square of real GDP per capita | PD | The population density | Urban | Urbanization level | EDU | Education level | Industry | Percentage of secondary industry | Trade | Trade openness |
|
|