Variable | Testing method | ADF statistic | critical value (5%) | P-Value | Conclusion |
LHP | (C,T,0) | −1.053286 | −3.51074 | 0.9259 | Unstable |
ΔLHP | (C,T,2) | −3.944931 | −2.926622 | 0.0037 | Stable |
LLP | (C,T,0) | −1.295094 | −3.51074 | 0.8768 | Unstable |
ΔLLP | (C,T,3) | −4.077859 | −2.925169 | 0.0025 | stable |