Variables | ADF Test Statistics | Critical Values @ 5% | P-value | Order of Integration |
D(HDI) | −4.107560 | −3.580623 | 0.0163 | I(0) |
D(SMC) | −5.798528 | −2.976263 | 0.0001 | I(1) |
D(TR) | −5.484560 | −2.976263 | 0.0001 | I(1) |
D(VST) | −4.805514 | −2.976263 | 0.0007 | I(1) |