Variables | Tests | With tendency | With constant | Without constant | Decision |
TX_GDP | ADF | −5.307491*** | −5.061541*** | −3.412498*** | I (0) |
PP | −5.599280*** | −5.087552*** | −3.421796*** | I (0) | |
KPSS | 0.194328** | 0.602080** | I (0) | ||
GFCF | ADF | −6.228188*** | −6.163406*** | −6.164076*** | I (1) |
PP | −6.248040*** | −6.158177*** | −6.164242 | I (1) | |
KPSS | 0.104405** | 0.181943** |
| I (0) | |
TX_FDI | ADF | −5.307491*** | −5.061541*** | −3.412498*** | I (0) |
PP | −5.599280*** | −5.087552*** | −3.421796*** | I (0) | |
KPSS | 0.162693** | 0.612712** |
| I (1) | |
OUV | ADF | −5.378856*** | −5.499045*** | −5.512616*** | I (1) |
PP | −6.261624*** | −5.997852*** | −5.568413*** | I (1) | |
KPSS | 0.132110* | 0.531790** |
| I (0) | |
TX_SS | ADF | −6.101162*** | −5.683909*** | −8.703541*** | I (1) |
PP | −13.15814*** | −8.870695*** | −8.703541*** | I (1) | |
KPSS | 0.165106*** | 0.468343** |
| I (0) | |
PA | ADF | −4.738193*** | −2.172117*** | −1.040697*** | I (1) |
PP | −13.15814*** | −8.870695*** | −8.703541*** | I (1) | |
KPSS | 0.161693*** | 0.726438** |
| I (0) |