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Unit roots or nonlinear stationarity in Turkish real exchange rates

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  • Haluk Erlat
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    Abstract

    The objective of this paper is to test if Turkish real exchange rates have a linear unit root or are generated by an Exponential Smooth Transition Autoregressive Model for the post-1980 period. Using two real exchange rates, one with the USA and the other with Germany, strong evidence of nonlinear stationarity was found for the US CPI-based series but no such evidence for the DM CPI-based series. When compared with earlier results in a previous paper where the alternative of the linear unit root test was stationarity with multiple shifts in the deterministic terms, it was found that similar results were obtained for the US CPI-based series but not for the DM CPI-based one, possibly implying that the multiple shifts approach may be more appropriate for the Turkish series.

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    File URL: http://www.informaworld.com/openurl?genre=article&doi=10.1080/1350485042000238870&magic=repec&7C&7C8674ECAB8BB840C6AD35DC6213A474B5
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    Bibliographic Info

    Article provided by Taylor & Francis Journals in its journal Applied Economics Letters.

    Volume (Year): 11 (2004)
    Issue (Month): 10 ()
    Pages: 645-650

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    Handle: RePEc:taf:apeclt:v:11:y:2004:i:10:p:645-650

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    References

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    1. Robin L. Lumsdaine & David H. Papell, 1997. "Multiple Trend Breaks And The Unit-Root Hypothesis," The Review of Economics and Statistics, MIT Press, vol. 79(2), pages 212-218, May.
    2. George Kapetanios & Yongcheol Shin, 2002. "GLS Detrending for Nonlinear Unit Root Tests," Working Papers 472, Queen Mary, University of London, School of Economics and Finance.
    3. Cheung, Yin-Wong & Lai, Kon S, 1995. "Lag Order and Critical Values of a Modified Dickey-Fuller Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 57(3), pages 411-19, August.
    4. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
    5. n/a, 2001. "Balance of payments prospects in EMU," NIESR Discussion Papers 164, National Institute of Economic and Social Research.
    6. Cheung, Yin-Wong & Lai, Kon S, 1995. "Lag Order and Critical Values of the Augmented Dickey-Fuller Test," Journal of Business & Economic Statistics, American Statistical Association, vol. 13(3), pages 277-80, July.
    7. Schmidt, Peter & Phillips, C B Peter, 1992. "LM Tests for a Unit Root in the Presence of Deterministic Trends," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 54(3), pages 257-87, August.
    8. Sercu, Piet & Uppal, Raman & Van Hulle, Cynthia, 1995. " The Exchange Rate in the Presence of Transaction Costs: Implications for Tests of Purchasing Power Parity," Journal of Finance, American Finance Association, vol. 50(4), pages 1309-19, September.
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    Cited by:
    1. Mohsen Bahmani-Oskooee & Ali Kutan & Su Zhou, 2009. "Towards solving the PPP puzzle: evidence from 113 countries," Applied Economics, Taylor & Francis Journals, vol. 41(24), pages 3057-3066.
    2. Mohsen Bahmani-Oskooee & Abera Gelan, 2006. "Testing the PPP in the non-linear STAR Framework: Evidence from Africa," Economics Bulletin, AccessEcon, vol. 6(17), pages 1-15.
    3. Haluk Erlat, 2009. "Persistence in Turkish Real Exchange Rates: Panel Approaches," FIW Working Paper series 029, FIW.
    4. repec:ebl:ecbull:v:6:y:2006:i:17:p:1-15 is not listed on IDEAS

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