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Black and official exchange rates in Morocco: an analysis of their long-run behaviour and short-run dynamics (1974-1992)

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Using Vector Error-Correction (VEC) model estimation on monthly data from Morocco for the period January 1974 to December 1992, this article tests the hypothesis that there is a long-run stable relationship between the official and the black-market exchange rates for US dollars. We also examine the short-run dynamics in the relationship between the two markets. The econometric results indicate that the two exchange rates are cointegrated. Furthermore, we reject weak exogeneity in the case of the official exchange rate, but fail to reject it in the case of the black-market rate. Granger causality tests show that the black-market rate causes the official exchange rate. The results seem to support the efficiency hypothesis, suggesting that participants in the black-market are able to anticipate changes in the official exchange rate. The findings also suggest that Morocco's decision (in January 1993) to introduce only current account convertibility and keep controls on capital accounts was wise.

Document Type: Research Article


Affiliations: Department of Economics and Geography, University of North Florida and Research Fellow, Turin, Italy

Publication date: 2010-11-01

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