| 指标 | 全样本 | 国有组 | 非国有组 | |||
| VIF | 1/VIF | VIF | 1/VIF | VIF | 1/VIF | |
| RDE | 1.07 | 0.93 | 1.21 | 0.87 | 1.08 | 0.93 |
| SIZE | 1.32 | 0.76 | 1.40 | 0.71 | 1.31 | 0.76 |
| IDR | 1.06 | 0.94 | 1.17 | 0.85 | 1.05 | 0.95 |
| DUAL | 1.05 | 0.95 | 1.12 | 0.89 | 1.04 | 0.96 |
| TOP10 | 1.03 | 0.97 | 1.21 | 0.83 | 1.03 | 0.97 |
| LEV | 1.16 | 0.86 | 1.41 | 0.71 | 1.01 | 0.99 |
| AGE | 1.08 | 0.93 | 1.33 | 0.75 | 1.61 | 0.62 |
| YEAR | 控制 | |||||
| IND | ||||||
| Mean VIF | 1.11 | 1.26 | 1.16 | |||