| 变量 | 系数估计值 | 标准误差 | t值 | P > t |
| EDU | 2.063 | 0.240 | 8.610 | 0.000 |
| TECH | 1.059 | 0.494 | 2.140 | 0.001 |
| GS | 13.842 | 4.762 | 2.910 | 0.007 |
| GF | −13.207 | 3.510 | −3.760 | 0.001 |
| GC | 8.582 | 3.847 | 2.230 | 0.004 |
| FIN | 0.972 | 0.571 | 1.700 | 0.000 |
| lnCP (lnGDP ≤ 4.674) | −0.075 | 0.039 | −1.910 | 0.001 |
| lnCP (lnGDP > 4.674) | −0.020 | 0.034 | −0.580 | 0.000 |
| _cons | −15.811 | 1.782 | −8.870 | 0.000 |
| BS | 600 | 600 | 600 | 600 |