| 变量 | 观测值 | 平均值 | 标准误 | 最小值 | 最大值 |
| lnTS | 2637 | −0.241 | 0.451 | −2.361 | 1.677 |
| lnRIS | 2637 | −0.141 | 0.0821 | −0.641 | −0.00436 |
| year | 2637 | 2013 | 3.691 | 2006 | 2019 |
| treat | 2637 | 0.493 | 0.504 | 0 | 1 |
| post | 2637 | 0.381 | 0.489 | 0 | 1 |
| lnPOP | 2637 | 5.831 | 0.631 | 3.345 | 7.128 |
| rfinance | 2637 | 6359 | 4375 | 591.3 | 42582 |
| lnedu | 2637 | 12.69 | 0.831 | 9.866 | 14.99 |
| lnPGDP | 2637 | 10.83 | 0.721 | 7.921 | 12.53 |