| Main | LR_Direct | LR_Indirect | |
|---|---|---|---|
| 模型1 | 模型2 | 模型3 | |
| Eti | -0.0010*** | -0.0011*** | -0.0024*** |
| (0.0003) | (0.0003) | (0.0005) | |
| W×Eti | -0.0020*** | ||
| (0.0005) | |||
| ρ | 0.1406*** | ||
| (0.0224) | |||
| Sigma2_e | 0.0031*** | ||
| (0.0001) | |||
| 控制变量/常数项 | Yes | Yes | Yes |
| 城市/时间固定 | Yes | Yes | Yes |
| N | 3934 | 3934 | 3934 |
| R2 | 0.0494 | 0.0494 | 0.0494 |
