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Mean reversion and structural breaks in real exchange rates: South African evidence

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  • Oludele Akinloye Akinboade
  • Daniel Makina

Abstract

The paper tests for mean reversion, that is, purchasing power parity (PPP), in the bilateral real exchange rate series of the South African rand against those of the dollar, the pound sterling, the euro and the yen, these being the currencies of the country's main trading partners. The relevance of considering structural breaks in PPP tests is demonstrated. Using standard unit root tests without considering structural breaks, one is unable to reject the null hypothesis of a unit root in the exchange rate series. The additive outlier model clearly demonstrates the importance of multiple sudden structural breaks and supports the stationarity of the rand's bilateral real exchange rates. As expected the innovative outlier model, which seeks to suggest gradual shifts, only identifies a limited number of breaks and does not support mean reversion.

Suggested Citation

  • Oludele Akinloye Akinboade & Daniel Makina, 2006. "Mean reversion and structural breaks in real exchange rates: South African evidence," Applied Financial Economics, Taylor & Francis Journals, vol. 16(4), pages 347-358.
  • Handle: RePEc:taf:apfiec:v:16:y:2006:i:4:p:347-358
    DOI: 10.1080/09603100500401260
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    References listed on IDEAS

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    1. Kenneth A. Froot & Michael Kim & Kenneth Rogoff, 1995. "The Law of One Price Over 700 Years," NBER Working Papers 5132, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Shiba Shankar PATTAYAT, 2016. "Examining the determinants of FDI inflows in India," Theoretical and Applied Economics, Asociatia Generala a Economistilor din Romania - AGER, vol. 0(2(607), S), pages 225-238, Summer.
    2. Chang, Tsangyao & Tzeng, Han-Wen, 2011. "Long-run purchasing power parity with asymmetric adjustment: Further evidence from nine transition countries," Economic Modelling, Elsevier, vol. 28(3), pages 1383-1391, May.
    3. Jean-Francois Hoarau, 2010. "Does long-run purchasing power parity hold in Eastern and Southern African countries? Evidence from panel data stationary tests with multiple structural breaks," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 15(4), pages 307-315.
    4. Su, Chi-Wei & Tsangyao, Chang & Chang, Hsu-Ling, 2011. "Purchasing power parity for fifteen Latin American countries: Stationary test with a Fourier function," International Review of Economics & Finance, Elsevier, vol. 20(4), pages 839-845, October.
    5. Ntokozo Patrick Nzimande & Marcel Kohler, 2016. "On the Validity of Purchasing Power Parity: Evidence from Energy Exporting Sub-Saharan Africa Countries," SPOUDAI Journal of Economics and Business, SPOUDAI Journal of Economics and Business, University of Piraeus, vol. 66(3), pages 71-82, July-Sept.
    6. repec:eei:journl:v:60:y:2017:i:2:p:14-38 is not listed on IDEAS
    7. Shiba Shankar PATTAYAT, 2016. "Examining the determinants of FDI inflows in India," Theoretical and Applied Economics, Asociatia Generala a Economistilor din Romania - AGER, vol. 0(2(607), S), pages 225-238, Summer.
    8. Ahmad zubaidi Baharumshah & Evan Lau & Mudziviri t. Nziramasanga, 2010. "Purchasing Power Parity In African Countries: Evidence From Panel Suradf Test," South African Journal of Economics, Economic Society of South Africa, vol. 78(1), pages 40-56, March.
    9. Phiri, Andrew, 2014. "Purchasing power parity (PPP) between South Africa and her main currency exchange partners: Evidence from asymmetric unit root tests and threshold co-integration analysis," MPRA Paper 53659, University Library of Munich, Germany.
    10. Andrew Phiri, 2017. "Nonlinear adjustment effects in the purchasing power parity," Journal of Economics and Econometrics, Economics and Econometrics Society, vol. 60(2), pages 14-38.
    11. Lean Hooi Hooi & Russell Smyth, 2007. "Are Asian real exchange rates mean reverting? Evidence from univariate and panel LM unit root tests with one and two structural breaks," Applied Economics, Taylor & Francis Journals, vol. 39(16), pages 2109-2120.
    12. Maxym Chaban, 2010. "Cointegration analysis with structural breaks and deterministic trends: an application to the Canadian dollar," Applied Economics, Taylor & Francis Journals, vol. 42(23), pages 3023-3037.

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