| Model 1 | Model2 | Model3 | ||||
| Tolerance | VIF | Tolerance | VIF | Tolerance | VIF | |
| AB | 0.391 | 20.558 | 0.393 | 20.546 | 0.393 | 20.545 |
| LN | 0.352 | 20.844 | 0.358 | 20.793 | 0.357 | 20.803 |
| AL | 0.462 | 20.165 | 0.466 | 20.148 | 0.465 | 20.149 |
| AGR | 0.146 | 60.871 | 0.146 | 60.848 | 0.146 | 60.851 |
| CPI | 0.688 | 10.454 | 0.691 | 10.447 | 0.690 | 10.448 |
| POP | 0.122 | 80.221 | 0.122 | 80.191 | 0.122 | 80.196 |
| TR | 0.234 | 40.276 | 0.235 | 40.249 | 0.236 | 40.238 |
| EDU | 0.169 | 50.921 | 0.175 | 50.725 | 0.174 | 50.742 |
| HE | 0.458 | 20.183 | 0.485 | 20.063 | 0.483 | 20.069 |
| FDI | 0.580 | 10.723 | 0.580 | 10.723 | 0.580 | 10.723 |
| RPOP | 0.164 | 60.091 | 0.165 | 60.060 | 0.165 | 60.068 |
| GDPPC | 0.026 | 380.762 | 0.970 | 10.031 | ||
| GDPG | 0.026 | 380.982 | 0.964 | 10.037 | ||