NULL Hypothesis: D (INCOME) has a unit root

Exogenous: None

Lag length: 0 (Automatic-based on SIC, maxlag = 1)

t-Statistic

Prob.^*

Augmented Dickey-Fuller test statistic

−1.610358

0.0981

Test critical values:

1% level

−2.886101

5% level

−1.995865

10% level

−1.599088