| 变量 | 系数 |
| 常数 | 3.021*** (0.411) |
| INTjt | −3.136*** (0.608) |
| FTAijt | −0.498*** (0.072) |
| PSjt | −0.413*** (0.105) |
| BUSjt | −0.014* (0.008) |
| IFDjt | 0.013** (0.006) |
| σ2 | 0.288*** (0.061) |
| γ | 0.999*** (0.000) |
| 对数似然值 | −57.529 |
| LR检验 | 101.488 |