| Testing method | Cointegration relationship between DEBT and GDP | |
| Statistics | P value | |
| Panel v-Statistic | −2.083999 | 0.9814 |
| Panel rho-Statistic | 3.005311 | 0.9987 |
| Panel PP-Statistic | 2.858807 | 0.9979 |
| Panel ADF-Statistic | −4.686763 | 0.0000 |
| Group rho-Statistic | 3.979191 | 1.0000 |
| Group PP-Statistic | 3.473592 | 0.9997 |
| Group ADF-Statistic | −0.346406 | 0.3645 |