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Testing the Monetary Model for Exchange Rate Determination in South Africa: Evidence from 101 Years of Data

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Author Info

  • Riane de Bruyn

    ()
    (Department of Economics, University of Pretoria)

  • Rangan Gupta

    ()
    (Department of Economics, University of Pretoria)

  • Lardo stander

    ()
    (Department of Economics, University of Pretoria)

Abstract

Evidence in favour of the monetary model of exchange rate determination for the South African Rand is at best mixed. A co-integrating relationship between the nominal exchange rate and fundamentals forms the basis of the monetary model. With the econometric literature suggesting that it is the span of the data, and not the frequency, that determines the power of the co-integration tests, and all the studies on South Africa using short-span data of the post-Bretton Woods era, we decided to test the long-run monetary model of exchange rate determination for the South African Rand relative to the US Dollar, using annual data from 1910 – 2010. The results provide some support for the monetary model in the sense that long-run co-integration is found between the nominal exchange rate and the output and money supply deviations. However, the theoretical restrictions required by the monetary model are rejected. A vector errorcorrection model identifies both the nominal exchange rate and the monetary fundamentals as the channel for the adjustment process of deviations from the long-run equilibrium exchange rate. A subsequent comparison of nominal exchange rate forecasts based on the monetary model with those of the random walk model, suggests that the forecasting performance of the monetary model is superior.

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Bibliographic Info

Paper provided by University of Pretoria, Department of Economics in its series Working Papers with number 201134.

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Length: 22 pages
Date of creation: Dec 2011
Date of revision:
Handle: RePEc:pre:wpaper:201134

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Keywords: Nominal exchange rate; monetary model; long-span data; forecasting;

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References

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Cited by:
  1. Sonali Das & Rangan Gupta & Patrick Kanda & Monique Reid & Christian Tipoy & Mulatu Zerihun, 2014. "Real interest rate persistence in South Africa: evidence and implications," Economic Change and Restructuring, Springer, vol. 47(1), pages 41-62, February.
  2. Manoel Bittencourt & Rangan Gupta & Lardo Stander, 2013. "Tax evasion, financial development and inflation: theory and empirical evidence," Working Papers 201316, University of Pretoria, Department of Economics.
  3. Riane de Bruyn & Rangan Gupta & Renee van Eyden, 2013. "Forecasting The Rand-Dollar And Rand-Pound Exchange Rates Using Dynamic Model Averaging," Working Papers 201307, University of Pretoria, Department of Economics.

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