Variables | OLS | OLS | FE | FE | |
(1) | (2) | (3) | (4) | ||
distance | 0.9458*** | −0.1373*** | 1.8952*** | 1.4991*** | |
(0.073) | (0.033) | (0.236) | (0.210) | ||
l_lnrgdp |
| 0.8464*** |
| 0.4468*** | |
| (0.015) |
| (0.085) | ||
l_lninv |
| 0.1571*** |
| 0.1587*** | |
| (0.030) |
| (0.038) | ||
l_lnpop |
| −0.8041*** |
| −0.4491*** | |
| (0.025) |
| (0.070) | ||
l_ln(n + γ + δ) |
| −0.7008*** |
| 0.5808 | |
| (0.251) |
| (0.381) | ||
City FE | N | N | Y | Y | |
Year FE | N | N | Y | Y | |
N | 655 | 600 | 655 | 600 | |
R2 | 0.174 | 0.927 | 0.951 | 0.963 | |