| 变量名称 | 系数值 | 标准误 | t值 | p值 |
| lnEC | 0.032*** | 0.011 | 2.89 | 0.004 |
| lnK | −0.062*** | 0.021 | −2.97 | 0.003 |
| lnFis | 0.52*** | 0.047 | 11.12 | 0.000 |
| lnC | 0.239*** | 0.032 | 7.51 | 0.000 |
| lnIE | 0.040** | 0.016 | 2.48 | 0.014 |
| lnL | 0.071 | 0.050 | 1.43 | 0.153 |
| 常数项 | 3.872*** | 0.235 | 16.48 | 0.000 |
| 模型参数 | R-squared = 0.919;F = 340.44***;P = 0.000 | |||
| Hausman检验结果 | chi2(7) = (b-B)'[(V_b-V_B)^(−1)](b-B) = 84.71 Prob>chi2 = 0.0000 | |||