Table 10 Regression results of the mechanism test for the scale effect.
From: The impact of smart city construction (SCC) on pollution emissions (PE): evidence from China
(1) | (2) | (3) | (4) | |
|---|---|---|---|---|
\(lnpeo/gy1\) | \(VSD\) | \(lnEFD\) | \(lnso2\) | |
Panel A:\(lnpeo\) | ||||
\(lnpeo\) | 0.751** | 0.119 | 0.230*** | |
(2.76) | (1.91) | (3.56) | ||
\(SCCdid\) | 0.0261* | − 1.044*** | − 0.191*** | − 0.0932* |
(2.25) | (− 5.39) | (− 4.29) | (− 2.03) | |
\(cons\) | 12.59*** | − 3.811 | 8.101*** | 7.401*** |
(3325.90) | (− 1.11) | (10.29) | (9.12) | |
\({R}^{2}\) | 0.9270 | 0.7378 | 0.6885 | 0.7827 |
Panel B:\(gy1\) | ||||
\(gy1\) | − 0.534*** | − 0.0579*** | − 0.130*** | |
(− 16.55) | (− 7.09) | (− 11.38) | ||
\(SCCdid\) | 0.375*** | − 1.539*** | − 0.193*** | − 0.0642 |
(4.22) | (− 8.72) | (− 4.32) | (− 1.03) | |
\(Control\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\(YearFE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\(City FE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\(N\) | 3989 | 3989 | 3989 | 3988 |
\({R}^{2}\) | 0.8283 | 0.7407 | 0.6270 | 0.5184 |
