Commercial Opening Series

Null Hypothesis: Trade has a unit root

Exogenous: Constant, Linear Trend

Lag Length: 5 (Automatic—based on SIC, maxlag = 7)

t-Statistic

Prob.*

Augmented Dickey-Fuller test statistic

−5.452100

0.0002

Test critical values:

1% level

−3.469863

5% level

−3.986329

10% level

−3.853146