Effects of Exchange Rate Volatility on the Stock Market: A Case Study of South Africa

Authors

  • Courage Mlambo PhD, University of Fort Hare (Corresponding Author)
  • Andrew Maredza Department of Economics, North West University
  • Kin Sibanda PhD, University of Fort Hare Email: keith08.kin@gmail.com

Abstract

This study assessed the effects of currency volatility on the Johannesburg Stock Exchange. An evaluation of literature on exchange rate volatility and stock markets was conducted resulting into specification of an empirical model. The Generalised Autoregressive Conditional Heteroskedascity (1.1) (GARCH) model was used in establishing the relationship between exchange rate volatility and stock market performance. The study employed monthly South African data for the period 2000 – 2010. The data frequency selected ensured an adequate number of observations. A very weak relationship between currency volatility and the stock market was confirmed. The research finding is supported by previous studies. Prime overdraft rate and total mining production were found to have a negative impact on Market capitalisation. Surprisingly, US interest rates were found to have a positive impact on Market capitalisation. The study recommended that, since the South African stock market is not really exposed to the negative effects of currency volatility, government can use exchange rate as a policy tool to attract foreign portfolio investment. The weak relationship between currency volatility and the stock market suggests that the JSE can be marketed as a safe market for foreign investors. However, investors, bankers and portfolio managers still need to be vigilant in regard to the spillovers from the foreign exchange rate into the stock market. Although there is a weak relationship between rand volatility and the stock market in South Africa, this does not necessarily mean that investors and portfolio managers need not monitor the developments between these two variables.

DOI: 10.5901/mjss.2013.v4n14p561

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Published

2013-11-10

How to Cite

Mlambo, C., Maredza, A., & Sibanda, K. (2013). Effects of Exchange Rate Volatility on the Stock Market: A Case Study of South Africa. Mediterranean Journal of Social Sciences, 4(14), 561. Retrieved from https://www.richtmann.org/journal/index.php/mjss/article/view/1638

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