Table 1 Descriptive statistics for variables.
From: The impact of smart city construction (SCC) on pollution emissions (PE): evidence from China
Variables | Meanings of the variables | N | Mean | SD | Min | Max |
|---|---|---|---|---|---|---|
PE | ||||||
 \(VSD\) | Volume of sewage discharge | 3990 | 5.429 | 5.805 | 0.004 | 70.962 |
\( lnEFD\) | Emissions of fumes and dust | 3990 | 9.566 | 1.225 | 0.693 | 15.458 |
\(l nso2\) | Sulfur dioxide emissions | 3990 | 10.273 | 1.511 | 0.693 | 14.569 |
\(SCCdid\) | Smart city construction (SCC) | 3990 | 0.209 | 0.406 | 0.000 | 1.000 |
\(lngdp\) | GDP | 3990 | 6.809 | 0.960 | 3.718 | 9.782 |
\(lnpergdp\) | Per capita GDP | 3990 | 9.552 | 1.338 | 5.480 | 12.513 |
\(urban\) | Urbanization level | 3990 | 32.614 | 21.658 | 3.412 | 100.000 |
\(fdigdp\) | Openness | 3990 | 0.017 | 0.020 | 0.002 | 0.376 |
\(gardon\) | Green space area | 3990 | 6.469 | 0.914 | 2.773 | 9.693 |
\(secagg\) | Industrial structure | 3990 | 0.083 | 0.132 | 0.000 | 1.695 |
