| 自变量 | 全国 | ||
| 模型1F | 模型2F | 模型3F | |
| LnGDP | 1.4884** | 1.4858*** | 1.6126*** |
| GL | 0.2653*** | 0.2626*** |
|
| TL | −0.0020 |
| 0.0049 |
| LnLDCB | −1.7148*** | −1.7077*** | −1.6057*** |
| LnZBCL | 1.0622*** | 1.0625*** | 1.0306*** |
| CZHL | −0.6880 | −0.6926** | −0.8202*** |
| CYZB | 2.1775*** | 2.1839*** | 2.4493*** |
| C | 10.2890*** | 10.2331*** | 8.1156*** |
| F值 | 165.9020 | 194.0434 | 188.9445 |
| R2值(修正后) | 0.7479 | 0.7486 | 0.7435 |
| Obs | 390 | 390 | 390 |