| Var | ADF | |||
| LEVEL | 1ST DIFFERNCE | |||
|
| cons | cons + t | cons | cons + t |
| LnHCD I(1) | 0.847889 | −2.589006 | −5.240346*** | −5.370820*** |
| LnAID I(1) | −0.844554 | −3.114078 | −5.085786*** | −4.977666*** |
| LnFDI I(1) | −2.592033 | −2.874847 | −5.912765*** | −4.684912*** |
| LnPOP I(0) | −2.287980*** | −1.293844 | - | - |
| LnTrade I(1) | −2.860908 | −3.065741 | −5.967420*** | −5.833651*** |