Results of the Adjusted Dickey Fuller (ADF) test
| Dickey-Fuller test (ADF(stationary)/k: 4/N(r = 0.8)) | Dickey-Fuller test (ADF(stationary)/k: 4/N(r = 1)) | Dickey-Fuller test (ADF(stationary)/k: 4/N-0.1*t) | |
|---|---|---|---|
| Tau (Observed value) | −3.587 | −2.779 | −4.960 |
| Tau (Critical value) | −0.791 | −0.791 | −0.791 |
| p-value (one-tailed) | 0.032 | 0.196 | 0.000 |
| Alpha | 0.05 | 0.05 | 0.05 |
| Dickey-Fuller test (ADF(stationary)/k: 4/ | Dickey-Fuller test (ADF(stationary)/k: 4/ | Dickey-Fuller test (ADF(stationary)/k: 4/ | |
|---|---|---|---|
| Tau (Observed value) | −3.587 | −2.779 | −4.960 |
| Tau (Critical value) | −0.791 | −0.791 | −0.791 |
| 0.032 | 0.196 | 0.000 | |
| Alpha | 0.05 | 0.05 | 0.05 |
Note(s): Test interpretation
H0: There is a unit root for the series
Ha: There is no unit root for the series. The series is stationary
Source(s): Table by author
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