| Variable | VIF | 1/VIF |
| LPCGSDP | 2.41 | 0.41 |
| PELEC | 1.40 | 0.72 |
| HDENSITY | 2.09 | 0.48 |
| URBANDENSITY | 2.51 | 0.39 |
| NEARPORT | 1.53 | 0.65 |
| SEZPOLICY | 1.56 | 0.64 |