variable

Test type

ADF test value

The critical value at the 1% level

The critical value at the 5% level

The critical value at the 10% level

conclusion

DLnSZ

(C, 0, 2)

−11.047

−3.550

−2.914

−2.595

stationary

DLnSC

(0, 0, 3)

−3.363

−2.607

−1.947

−1.613

stationary

DLnGDP

(C, 0, 1)

−8.529

−3.548

−2.913

−2.594

stationary

DLnCPI

(C, 0, 2)

−4.596

−3.550

−2.914

−2.595

stationary