Table 10 Heterogeneity effects by the level of urban digital development.
From: Impact of computing infrastructure on carbon emissions in China
Variable | Low-level | Medium-level | High-level | |||
|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | |
CI | 0.1133** | 0.2115 | 1.2519*** | 3.0953** | 0.0871 | − 1.3198 |
(0.0541) | (0.2206) | (0.3949) | (1.2958) | (0.8848) | (3.2814) | |
CI2 | − 0.0322 | − 2.2869* | 4.8058 | |||
(0.0545) | (1.2640) | (9.4463) | ||||
Constant | 2.0787*** | 2.0841*** | 2.4278*** | 2.4907*** | 3.1098*** | 3.0863*** |
(0.2570) | (0.2591) | (0.2890) | (0.2930) | (0.4306) | (0.4284) | |
Control Variable | Yes | Yes | Yes | Yes | Yes | Yes |
City fixed effects | Yes | Yes | Yes | Yes | Yes | Yes |
Time fixed effects | Yes | Yes | Yes | Yes | Yes | Yes |
N | 1540 | 1540 | 1596 | 1596 | 770 | 770 |
R2 | 0.2053 | 0.2049 | 0.5179 | 0.5196 | 0.4524 | 0.4520 |