Table 5 PSM-DID regression results of VSD, SO2 and EFD.
From: The impact of smart city construction (SCC) on pollution emissions (PE): evidence from China
(1) | (2) | (3) | |
|---|---|---|---|
\(VSD\) | \(SO2\) | \(EFD\) | |
\(SCCdid\) | − 1.0737*** | − 0.1629** | − 0.2737** |
(− 3.7708) | (− 2.6164) | (− 3.0112) | |
\(lngdp\) | 1.2971*** | − 2.9346*** | − 2.0700*** |
(5.9570) | (− 14.1920) | (− 6.3492) | |
\(lnpergdp\) | 0.9974*** | 2.4344*** | 1.7632*** |
(6.2393) | (11.3532) | (4.9973) | |
\(urban\) | − 0.0885*** | − 0.0133*** | − 0.0261*** |
(− 20.1885) | (− 4.7729) | (− 5.7743) | |
\(fdigdp\) | − 1.0591 | 5.1318*** | − 2.6654** |
(− 0.3974) | (6.0858) | (− 2.3965) | |
\(gardon\) | 1.3296*** | 0.3009*** | − 0.0318 |
(7.1662) | (6.9948) | (− 0.6015) | |
\(secagg\) | 17.3918*** | − 1.1458*** | − 0.5113*** |
(50.7185) | (− 9.3107) | (− 3.0904) | |
\(N\) | 4080 | 4064 | 4064 |
\({R}^{2}\) | 0.7628 | 0.9077 | 0.8700 |