ADF

PP

At Level

First Difference

At Level

First Difference

GDPG

t-Statistic

−2.685

−4.061

−1.807

−4.0623

Prob

0.1008

0.0304

0.3634

0.0304

CC

t-Statistic

−2.1767

−4.4572

−2.6052

−9.0891

Prob

0.2209

0.0157

0.1123

0.0000

GE

t-Statistic

−3.3221

−2.0968

−1.1638

−1.9037

Prob

0.1004

0.0384

0.8831

0.0566

PV

t-Statistic

−3.1889

−2.6840

−2.2523

−2.6579

Prob

0.1262

0.0110

0.4329

0.0117

RL

t-Statistic

−2.5010

−3.4913

−0.1931

−2.6038

Prob

0.3227

0.0251

0.9214

0.0131

RQ

t-Statistic

−2.1711

−2.4012

−2.3857

−2.3177

Prob

0.2231

0.0203

0.1605

0.0242

VA

t-Statistic

−1.6505

−2.0663

−1.6509

−1.9058

Prob

0.4356

0.0408

0.4354

0.0564