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Real Exchange Rates In Latin America: The Ppp Hypothesis And Fractional Integration

  • Guglielmo Maria Caporale

    ()

    (Centre for Empirical Finance, Brunel University)

  • Luis A. Gil-Alana

    (University of Navarra)

This paper tests for PPP in a group of seventeen Latin American (LA) countries by applying fractional integration techniques to real exchange rate series. Compared to earlier studies on these economies, this approach has the advantage of allowing for non-integer values for the degree of integration, and thus for the possibility of PPP not holding continuously but as a long-run equilibrium condition. Further, breaks in the series are endogenously determined using a procedure based on the least-squares principle. This is particularly crucial in the Latin American countries, which have been affected by several exchange rate crises and policy regime changes. The results, based on different assumptions about the underlying disturbances, are in the majority of cases inconsistent with PPP, even more so when breaks are incorporated: Argentina is the only country for which clear evidence of mean reversion is found in the model including a break, albeit only in the second subsample.

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Article provided by Chung-Ang Unviersity, Department of Economics in its journal Journal Of Economic Development.

Volume (Year): 35 (2010)
Issue (Month): 2 (June)
Pages: 1-21

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Handle: RePEc:jed:journl:v:35:y:2010:i:2:p:1-21
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  1. César Calderón & Roberto Duncan, 2003. "Purchasing power parity in an emerging market economy: a long- span study for Chile," Estudios de Economia, University of Chile, Department of Economics, vol. 30(1 Year 20), pages 103-132, June.
  2. Jushan Bai & Pierre Perron, 1998. "Estimating and Testing Linear Models with Multiple Structural Changes," Econometrica, Econometric Society, vol. 66(1), pages 47-78, January.
  3. Banerjee, Anindya & Lumsdaine, Robin L & Stock, James H, 1992. "Recursive and Sequential Tests of the Unit-Root and Trend-Break Hypotheses: Theory and International Evidence," Journal of Business & Economic Statistics, American Statistical Association, vol. 10(3), pages 271-87, July.
  4. Baillie, Richard T., 1996. "Long memory processes and fractional integration in econometrics," Journal of Econometrics, Elsevier, vol. 73(1), pages 5-59, July.
  5. Campbell, J.Y. & Perron, P., 1991. "Pitfalls and Opportunities: What Macroeconomics should know about unit roots," Papers 360, Princeton, Department of Economics - Econometric Research Program.
  6. Denisard Alves & Regina Celia Cati & Vera Lucia Fava, 2001. "Purchasing power parity in Brazil: a test for fractional cointegration," Applied Economics, Taylor & Francis Journals, vol. 33(9), pages 1175-1185.
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