| VARIABLES | (1) | (2) | (3) | (4) |
| lnTS1 | lnTS1 | lnRIS1 | lnRIS1 | |
| treatpost2 | 0.0318 | 0.0311 | −0.0511 | −0.0521 |
| (0.0213) | (0.0214) | (0.0621) | (0.0638) | |
| lnPOP |
| 0.173 |
| −0.621 |
|
| (0.141) |
| (0.429) | |
| lnSC |
| 0.000235 |
| 0.0453 |
|
| (0.0158) |
| (0.0454) | |
| lnRD |
| −0.0403*** |
| 0.0427 |
|
| (0.0151) |
| (0.0458) | |
| lnedu |
| 0.0202 |
| 0.137* |
|
| (0.0251) |
| (0.0761) | |
| lnfinance |
| −0.106*** |
| −0.116 |
|
| (0.0331) |
| (0.0986) | |
| lnPGDP |
| −0.221*** |
| −0.00767 |
|
| (0.0278) |
| (0.0853) | |
| Constant | −0.516*** | 1.881* | 5.928*** | 9.301*** |
| (0.0506) | (1.078) | (0.141) | (3.184) | |
| 个体效应 | YES | YES | YES | YES |
| 时间效应 | YES | YES | YES | YES |
| Observations | 1526 | 1525 | 1521 | 1513 |
| R-squared | 0.903 | 0.909 | 0.904 | 0.907 |