| Variable | AEM | ||
| Equation (1) | Equation (2) | Equation (3) | |
| UW | 1.11 | 1.12 | 1.16 |
| AUDIT | 1.11 | 1.11 | 1.12 |
| CASH | 1.85 | 1.85 | 1.9 |
| SIZE | 1.7 | 1.71 | 1.77 |
| LEV | 1.69 | 1.69 | 1.62 |
| GROWTH | 1.34 | 1.34 | 1.35 |
| VC | 1.12 |
|
|
| UNION |
| 1.22 | 1.16 |
| SINGLE |
| 1.18 |
|