| 替换估计模型 | 替换解释变量 | |||||
|---|---|---|---|---|---|---|
| （1） | （2） | （3） | （4） | （5） | ||
| Distance | -0.035** | 0.039 | ||||
| Distance·Dual | -0.064* | -0.078 | ||||
| Proximity_3 km | 0.111** | |||||
| Proximity_3 km·Dual | 0.435*** | |||||
| Proximity_5 km | 0.103*** | |||||
| Proximity_5 km·Dual | 0.268*** | |||||
| Proximity_6 km | 0.056 | |||||
| Proximity_6 km·Dual | 0.207*** | |||||
| Controls | Yes | Yes | Yes | Yes | Yes | |
| YearDum | Yes | Yes | Yes | Yes | Yes | |
| IndDum | Yes | Yes | Yes | Yes | Yes | |
| N | 5617 | 1786 | 7403 | 7403 | 7403 | |
