| 变量 | 系数 | P值 |
| UL | −0.181*** | 0.000 |
| ISL | 0.241*** | 0.000 |
| OPEN | −0.0204** | 0.015 |
| PCGDP | −0.0225*** | 0.004 |
| GOV | 0.00254** | 0.036 |
| lnindex_aggregate (ISL ≤ 0.7687) | 0.00161** | 0.038 |
| lnindex_aggregate (0.7687 < ISL ≤ 0.8262) | −0.0000619 | 0.929 |
| lnindex_aggregate (ISL > 0.8262) | −0.00251*** | 0.003 |
| Constant | 0.233*** | 0.001 |
| 样本量 | 310 |
|
| R-squared | 0.930 |
|