Table 7 CADF & CIPS unit root tests.

From: The key challenges and best alternatives to environmental sustainability: a comprehensive study

Variables

CADF unit root test

CIPS unit root test

Level

1st difference

Level

1st difference

\(lnCFP\)

-4.130***

-4.130***

\(lnUB\)

-2.379***

-2.379***

\(lnY\)

-3.475***

-3.475***

\(lnICT\)

-3.478***

-3.478***

\(lnNRs\)

-2.306***

-2.306***

\(lnRE\)

-2.474***

-2.474***

\(lnCE\)

-3.754***

-3.754***

  1. *** shows the significance level at 1%, respectively.