| Variables | Traditional Unit Root Tests | Break Point Unit Root Tests | Decision | ||
| ADF | PP | Innovative Outlier | Additive Outlier | I(d) | |
| LBCS | I(1) | I(1) | I(1) | I(0) | I(0) |
| LNCS | I(1) | I(1) | I(1) | I(0) | I(0) |
| NERD | I(0) | I(0) | I(0) | I(0) | I(0) |
| LGIRS | I(1) | I(1) | I(1) | I(1) | I(1) |
| LCPI | I(1) | I(1) | I(1) | I(1) | I(1) |