Table 3 Outcomes of unit root tests.
Indicator | IPS test | ADF test | ||
|---|---|---|---|---|
I[0] | I[1] | I[0] | I[1] | |
LCF | 1.080 | −4.313*** | 1.120 | −4.288*** |
EG | 1.406 | −3.726*** | −0.922 | −3.529*** |
ATEC | −1.180 | −10.347*** | −1.023 | −7.920*** |
EPO | 0.513 | −2.947*** | 1.385 | −2.856*** |
FD | −0.926 | −3.918*** | −0.987 | −3.706*** |