Null Hypothesis: D(PE) has a unit root

Exogenous: Constant

Lag Length: 0 (Automatic - based on SIC, maxlag = 0)

t-Statistic

Prob.*

Augmented Dickey-Fuller test statistic

−3.319069

0.0232

Test critical values:

1% level

−3.679322

5% level

−2.967767

10% level

−2.622989