Table 4.

Unit root test

VariablesADF-Fisher (level)p-value (level)Order of integration
ROA234.61<0.01I(0)
CR38.320.007I(0)
STDEBT32.060.005I(0)
LTDEBT49.01<0.01I(0)
CAP90.12<0.01I(0)
CAPEX96.17<0.01I(0)
LSIZE125.51<0.01I(0)
AGE106.28<0.01I(0)
Source(s): Authors’ own creation

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