Research Article
An Empirical Estimation of the Underground Economy in Ghana
Table 6
Result of unit root test for currency demand model.
| Variable | ADF test -statistic | Probability | Durbin-Watson stat |
| LRGDP | −6.2475 | 0.0003 | 2.149 | LCPI | −4.2348 | 0.0060 | 1.626 | LINTRAT | −2.6552 | 0.0000 | 2.071 | LM2 | −3.6258 | 0.0153 | 1.819 |
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