Table 15 Whether it is Urban Scale heterogeneity analysis regression results.
From: The impact of smart city construction (SCC) on pollution emissions (PE): evidence from China
(1) Type ii cities | (2) Medium-scale cities | (3) Large-scale cities | (4) Super-large-scale cities | |
|---|---|---|---|---|
Panel A:\(VSD\) | ||||
\(SCCdid\) | − 0.300 | − 0.401 | − 1.617*** | − 2.546 |
(− 0.80) | (− 1.71) | (− 4.77) | (− 1.63) | |
\({R}^{2}\) | 0.7977 | 0.8672 | 0.9437 | 0.7374 |
Panel B:\(lnEFD\) | ||||
\(SCCdid\) | 0.407 | − 0.194*** | − 0.225** | 0.0227 |
(1.49) | (− 3.53) | (− 2.66) | (0.12) | |
\({R}^{2}\) | 0.8584 | 0.7032 | 0.6802 | 0.9211 |
Panel C:\(lnso2\) | ||||
\(SCCdid\) | 0.795 | 0.0221 | − 0.262** | − 0.0117 |
(1.72) | (0.38) | (− 2.80) | (− 0.04) | |
\(Control\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\( YearFE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\( City FE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) | \(TRUE\) |
\(N\) | 134 | 2618 | 1086 | 117 |
\( {R}^{2}\) | 0.8428 | 0.7935 | 0.7900 | 0.9007 |