| The explanatory variables | model with outstanding public debt (D) | model with the Public debt service (DS) |
| Gross domestic product per capita lagged (GDPC) | −0.17*** | −0.23*** |
| Public debt (d) | −0.04** | 0.02*** |
| Population growth rate (POP) | −0.35*** | −0.38*** |
| The degree of trade openness (EXPORT) | −0.0078 | −0.02 |
| Investment rate (INVEST) | 0.09*** | 0.085*** |
| The Seigniorage (MM) | −0.13** | −0.13*** |
| Inflation (INFL) | 0.002*** | 0.002*** |
| The real interest rate (TIR) | 0.00015*** | 0.001*** |
| AR (1) | 1.2*** | 1.19*** |
| AR (2) | −0.59*** | −0.69*** |
| R2 | 00.84 | 0.87 |
| Durbin Watson | 2.02 | 1.89 |
| J-statistic (Sargan test) | 6.82 | 7.22 |
| Prob (J-statistic) | 0.96 | 0.95 |
| Number of Instruments | 26 | 26 |