Null Hypothesis: D (INV) has a unit root

Exogenous: None

Lag Length: 1 (Automatic-based on SIC, maxlag = 2

Prod^*

t-Statistic

0.0081

−3.007270

Augmented Dickey-Fuller test statistic

−2.886101

−1.995865

−1.599088

1% level

5% level

10% level

Test critical values: