Research Article
A Study of the Effect of Inflation and Exchange Rate on Stock Market Returns in Ghana
Table 2
Augmented Dickey-Fuller unit root test for the monthly rates of inflation and exchange rate (dollar rate) after first difference.
| Variable | Model type | Test statistic | Critical value | value |
| Inflation rate | Constant | −5.196 | −2.880 | 0.001 | Constant + trend | −5.281 | −3.439 | 0.001 | None | −5.096 | −1.943 | 0.001 |
| Exchange rate (dollar rate) | Constant | −5.508 | −2.879 | 0.001 | Constant + trend | −5.58 | −3.437 | 0.001 | None | −4.526 | −1.943 | 0.001 |
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