An analysis of the impact of the exchange rate on unemployment in South Africa

Abstract

A volatile real exchange rate and high unemployment rate is a growing concern in South Africa, therefore the right macroeconomic policy is required. The challenge is to find stability in the real exchange rate paired with a low inflation rate, both of which are necessary to promote long term economic growth, which in turn creates more job opportunities. This study analyses the impact of the exchange rate on unemployment in South Africa by considering quarterly data for the period 2003 to 2013. In this study, the macroeconomic transmission channel is divided into two transmission paths, imports and exports. These find their roots in the Phillips curve and the Keynesian theory on unemployment respectively. The vector error correction model (VECM), together with an analysis of the impulse response functions and variance decompositions, are implemented to determine the short and long run impacts of the exchange rate on unemployment. After the completion of a variety of specifications, estimations and tests, both macroeconomic transmission paths revealed in the empirical analysis that the real exchange rate has a significant impact on unemployment. In the imports transmission path, the real exchange rate, imports and the CPI have significant long term relationships with unemployment. Furthermore, the exports transmission path found significant short term relations with unemployment in considering the real exchange rate, exports and economic growth. The impulse responses in both transmission paths indicated that a shock in the exchange rate will have a significant effect on unemployment in the short run. Similar results were found with the variance decomposition. In the import transmission path, movements in the real exchange rate explained an increasing portion of the variance in unemployment. Alternatively, in the export transmission path the real exchange rate and exports explained an increasing portion of the variance. The evidence therefore suggests that South Africa should focus more on stabilising the exchange rate, since fluctuations in unemployment are a result of shocks in the real exchange rate, following the macroeconomic transmission channels discussed.