| （1） | （2） | （3） | （4） | （5） | |
|---|---|---|---|---|---|
| Entry | Entry | Entry | Entry | Entry | |
| Density | 16.12*** | 16.15*** | 16.12*** | 16.23*** | 16.17*** |
| Ee | 12.26** | 12.18** | 12.28** | 11.85** | 11.32** |
| Op | 0.0141 | 0.0143 | 0.0144 | 0.0166 | 0.0172 |
| Gov | 0.983*** | 0.981*** | 0.983*** | 0.982*** | 0.960*** |
| Tp | -0.645 | -0.650 | -0.645 | -0.536 | -0.702 |
| Tec | 0.0220 | 0.0233 | 0.0221 | 0.0467 | 0.00670 |
| Lar | 0.0436 | 0.0417 | 0.0417 | 0.0375 | 0.0254 |
| At | -0.549** | -0.545** | -0.549** | -0.499* | -0.569** |
| Ep1 | -0.214** | ||||
| Ep2 | -0.0837 | ||||
| Er1 | -0.781*** | ||||
| Er2 | -0.364*** | ||||
| 常数项 | -6.688*** | -6.361** | -6.614*** | -7.420*** | -5.766** |
| Log likelihood | -44845.564 | -44842.861 | -44845.375 | -44835.363 | -44347.211 |
| Pseudo R2 | 0.216 | 0.216 | 0.216 | 0.216 | 0.214 |
| 产业固定效应 | Included | Included | Included | Included | Included |
| 城市固定效应 | Included | Included | Included | Included | Included |
| 年份固定效应 | Included | Included | Included | Included | Included |
| 两控区政策固定效应 | Included | Included | Included | Included | Included |
| N | 347931 | 347931 | 347931 | 347931 | 347931 |
