Table 11 Regional heterogeneity test.
From: The spatial spillover effect of ICT development level on regional CO2 emissions
Variables | (1) | (2) | (3) | (4) |
|---|---|---|---|---|
Eastern Cities | Midwestern Cities | Southern Cities | Northern Cities | |
ICT | 0.4576*** (5.78) | − 0.5276*** (− 4.84) | 0.2807*** (3.16) | 0.3668*** (4.24) |
W × ICT | 0.9229*** (3.31) | 1.3786*** (3.86) | − 1.2195*** (− 6.38) | 2.2841*** (5.79) |
ρ | − 0.4414** (− 2.14) | 0.3143*** (3.38) | − 0.0017 (− 0.01) | − 0.6544*** (− 3.63) |
Control variables | Yes | Yes | Yes | Yes |
N | 1298 | 1661 | 1144 | 1815 |
R2 | 0.51 | 0.04 | 0.57 | 0.29 |
