| Variable | Parameter | Pr > χ2 | Parameter | Pr > χ2 | Parameter | Pr > χ2 |
| Intercept | 9.176 | 0.158 | −7.870 | 0.009 | 4.343 | 0.481 |
| Eco_stage | −2.351 | 0.046 | −2.606 | 0.018 | ||
| GDP_PPP |
|
| 0.000 | 0.027 | 0.000 | 0.003 |
| Institutions | −0.044 | 0.194 | −0.074 | 0.026 | −0.062 | 0.056 |
| Press_freedom | −0.037 | 0.046 | −0.044 | 0.016 | −0.031 | 0.068 |
| ELF | 9.636 | 0.000 | 5.429 | 0.050 | 7.469 | 0.003 |
| HDI | −0.016 | 0.640 | −0.082 | 0.002 | −0.044 | 0.183 |
| R-squared | 0.3309 | 0.3393 | 0.462 | |||
| N | 132 | 155 | 132 |