Table 7 Robustness test Ⅱ.
Air flow coefficient | Average precipitation | River density | ||||
|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | |
CCC | ULGUE | CCC | ULGUE | CCC | ULGUE | |
CCC | 0.047*** | 0.042* | 0.117*** | |||
(0.017) | (0.022) | (0.037) | ||||
Time × lnVC | 0.143*** | |||||
(0.000) | ||||||
Time × rain | 0.565*** | |||||
(0.009) | ||||||
Time × stream | 1.693*** | |||||
(0.038) | ||||||
_cons | Yes | Yes | Yes | Yes | Yes | Yes |
Year/City fixed effect | Yes | Yes | Yes | Yes | Yes | Yes |
N | 3408 | 3408 | 3408 | 3408 | 3408 | 3408 |