The aim of this paper is to assess, for Morocco, the relationship between economic growth and exchange rate. The already-deployed results, especially for the Moroccan case, have been controversial and inconsistent. To deal with this research issue, a positivist iterative approach was implemented. This approach has led to determinate the appropriate model governing this relationship as well as explanatory variables contributing to Moroccan economic growth over the period 1983–2019. The results are robust and remarkably in conformity with the Moroccan economic context. They reveal that exchange rate negatively influences economic growth in the short run, while in the long run the effect is nonsignificant.