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Stationarity of South Asian real exchange rates under exponential star (estar) framework

Author

Listed:
  • Abdullah M. Noman
  • M. Zillur Rahman

    (American International University, Bangladesh
    Southeast University, Bangladesh)

Abstract

This paper investigates stationarity of four South Asian real exchange rates. In addition to the unit root tests that assume linearity in real exchange rate series, we apply tests to check stationarity that assume nonlinearity in a particular time series. Results from linear unit root tests (e.g. ADF and KPSS) unequivocally indicate that selected South Asian real exchange rates are all nonstationary. Different versions of a nonlinear unit root test, namely, the KSS tests, can only partially overturn these results. Overall, the real exchange rates of India, Pakistan and Sri Lanka seem to be conclusively nonstationary, while tests produce mixed results for Bangladesh. The findings have implications, among other, that PPP does not seem to characterize long run most real exchange rate movements in South Asia.

Suggested Citation

  • Abdullah M. Noman & M. Zillur Rahman, 2010. "Stationarity of South Asian real exchange rates under exponential star (estar) framework," Journal of Developing Areas, Tennessee State University, College of Business, vol. 43(2), pages 41-51, January-M.
    • Handle: RePEc:jda:journl:vol.43:year:2010:issue2:pp:41-51
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    Citations

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    Cited by:

    1. Raihan, Selim & Abdullah, S M & Barkat, Aroni & Siddiqua, Salina, 2017. "Mean Reversion of the Real Exchange Rate and the validity of PPP Hypothesis in the context of Bangladesh: A Holistic Approach," MPRA Paper 77172, University Library of Munich, Germany.
    2. Aviral Tiwari & Muhammad Shahbaz, 2014. "Revisiting Purchasing Power Parity for India using threshold cointegration and nonlinear unit root test," Economic Change and Restructuring, Springer, vol. 47(2), pages 117-133, May.

    More about this item

    Keywords

    Real Exchange Rates; Nonlinear unit root tests; PPP; South Asia;
    All these keywords.

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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