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Testing For Fractional Integration In Southern African Development Community Real Exchange Rates

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  • Thabo M. Mokoena
  • Rangan Gupta
  • Reneé Van Eyden

Abstract

This paper utilises “a class test for fractional integration” associated with the seminal contribution of Hinich and Chong to appraise the possibility that Southern African Development Community (SADC) real exchange rates can be treated as long memory processes. The justification for considering fractional integration is that the general failure to reject the unit‐root hypothesis in real exchange rates is caused by the restrictiveness of standard unit‐root tests regarding admissible low‐frequency dynamic behaviour. The paper presents evidence that, except for South Africa, none of the SADC real exchange rates are fractionally integrated. However, the results are found to be sensitive to the size of the sample.

Suggested Citation

  • Thabo M. Mokoena & Rangan Gupta & Reneé Van Eyden, 2009. "Testing For Fractional Integration In Southern African Development Community Real Exchange Rates," South African Journal of Economics, Economic Society of South Africa, vol. 77(4), pages 531-537, December.
    • Handle: RePEc:bla:sajeco:v:77:y:2009:i:4:p:531-537
    DOI: 10.1111/j.1813-6982.2009.01224.x
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    References listed on IDEAS

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    7. Dufrénot, Gilles & Lardic, Sandrine & Mathieu, Laurent & Mignon, Valérie & Péguin-Feissolle, Anne, 2008. "Explaining the European exchange rates deviations: Long memory or non-linear adjustment?," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 18(3), pages 207-215, July.
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    9. Richard T. Baillie & George Kapetanios, 2006. "Nonlinear Models with Strongly Dependent Processes and Applications to Forward Premia and Real Exchange Rates," Working Papers 570, Queen Mary University of London, School of Economics and Finance.
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    Cited by:

    1. Hector Carcel & Luis A. Gil-Alana & Godfrey Madigu, 2015. "Inflation Convergence in the East African Community: A Fractional Integration and Cointegration Study," Global Economy Journal (GEJ), World Scientific Publishing Co. Pte. Ltd., vol. 15(4), pages 507-524, December.

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