| 变量 | 政策提前一年 | 政策提前二年 |
| PU | PU | |
| didc1 | 6.0354 |
|
|
| (0.1568) |
|
| didc2 |
| 3.7930 |
|
|
| (0.4281) |
| industry | 177.0962** | 171.8768** |
|
| (0.0194) | (0.0236) |
| urban | −1.2e+02 | −1.3e+02 |
|
| (0.1927) | (0.1414) |
| fin | −2.2765 | −2.3981 |
|
| (0.7009) | (0.6855) |
| rjgdp | 0.0017*** | 0.0017 |
|
| (0.0000) | (0.0000) |