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Nonlinear Trend Stationarity in Real Exchange Rates: Evidence from Nonlinear ADF tests

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  • Ata Assaf

    (Odette School of Business University of Windsor Windsor)

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    Abstract

    In this article we test for unit root in real exchange rates during the recent floating exchange rate period. In doing so, we use the unit root tests proposed by Bierens (1997a) and Bierens (1997b) that have drift hypothesis against a very general trend stationarity hypothesis, namely the alternative that the time series is stationarity about an almost arbitrary deterministic function of time. Bierens approach employs the fact that any function of time can be approximately arbitrary close by a linear function of Chebishev polynomials. The application of the tests to real exchange rate series indicate that these series are nonlinear trend stationary, and therefore, we conclude that the real exchange rate behavior may not be so different after all but simply perceived to be so because of the use of previously different unit root tests.

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    Bibliographic Info

    Article provided by Society for AEF in its journal Annals of Economics and Finance.

    Volume (Year): 7 (2006)
    Issue (Month): 2 (November)
    Pages: 283-294

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    Handle: RePEc:cuf:journl:y:2006:v:7:i:2:p:283-294

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    Related research

    Keywords: Real exchange rates; PPP; Nonlinear ADF; Nonlinear trend stationary;

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    References

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    Cited by:
    1. repec:ebl:ecbull:v:3:y:2008:i:27:p:1-8 is not listed on IDEAS
    2. HOLMES, Mark J, 2008. "Non-Linear Trend Stationarity And Co-Trending In Latin American Real Exchange Rates," Applied Econometrics and International Development, Euro-American Association of Economic Development, vol. 8(1), pages 107-118.
    3. Juan Carlos Cuestas & Paulo José Regis, 2008. "Testing for PPP in Australia: Evidence from unit root test against nonlinear trend stationarity alternatives," Economics Bulletin, AccessEcon, vol. 3(27), pages 1-8.
    4. Juan Carlos Cuestas & Estefania Mourelle, 2011. "Nonlinearities in real exchange rate determination: do African exchange rates follow a random walk?," Applied Economics, Taylor & Francis Journals, vol. 43(2), pages 243-258.

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