| Independent variables | Dependent variables | |||
| dr | ||||
| model 4-1 | model 4-2 | model 4-3 | model 4-4 | |
| Ln_large (p) | 0.0026312 (0.859) | |||
| Ln_mid (p) | 0.0293714(0.608) | |||
| Ln_small (p) | 0.0128874*** (0.000) | |||
| Ln_micro (p) | 0.0015285 (0.806) | |||
| Model F (p) | 0.03 (0.8591) | 0.26 (0.6081) | 12.74*** (0.000) | 0.8056*** (0.000) |
| R2 | 0.0001 | 0.0008 | 0.0034 | 0 |