| Regression OLS | ||||
| Variable | Coefficient | Std. error | t-value | p-value |
| Constant | 0.391 | 2.477 | 0.158 | 0.8805 |
| Va | 28.887 | 5.745 | 5.027 | 0.004 |
| Ps | 2.311 | 0.947 | 2.440 | 0.058 |
| Ge | 1.368 | 2.888 | 0.473 | 0.655 |
| Rol | 4.043 | 1.306 | 3.095 | 0.027 |
| CC | 11.282 | 2.709 | 4.163 | 0.008 |
| Instrate | 0.079 | 0.069 | U43 | 0.304 |
| ER | 0.017 | 0.054 | 0.324 | 0.758 |
| GDP | 0.242 | 0.063 | 3.827 | 0.012 |
| RQ | 4.276 | 1.467 | 2.914 | 0.033 |
| INF | 0.356 | 0.084 | 4.223 | 0.008 |