Variable

ADF unit root test

Order of integration

I()

Levels

1^st Difference

C

C&T

None

C

C&T

None

LGDP1

0.423

−2.010

3.024

−5.316*

−5.456*

−4.226*

I(1)

LSX

−1.152

−2.470

1.349

−5.548*

−5.463*

−5.121*

I(1)

LGOODX

−1.351

−2.277

1.160

−5.985*

−5.950*

−5.622*

I(1)

LTOT

−2.423

−3.691**

−0.305

−6.017*

−5.864*

−6.157*

I(1)