Table 13.
Results for heterogeneity among cities in eastern, central, and western.
| variable | (1) full sample |
(2) hierarchical diffusion model |
(3) horizontal diffusion model |
|||
|---|---|---|---|---|---|---|
| Eastern cities | Central and western cities | Eastern cities | Central and western cities | Eastern cities | Central and western cities | |
| Policy |
0.016*** (4.03) |
0.005** (2.25) |
0.029*** (5.83) |
0.001 (0.51) |
0.002 (0.22) |
0.017*** (3.52) |
| Control variable | Yes | Yes | Yes | Yes | Yes | Yes |
| Time fixed | Yes | Yes | Yes | Yes | Yes | Yes |
| City fixed | Yes | Yes | Yes | Yes | Yes | Yes |
| N | 1548 | 3456 | 1152 | 2970 | 1098 | 2610 |