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A Nonparametric Study of Real Exchange Rate Persistence over a Century

  • Hyeongwoo Kim
  • Deockhyun Ryu

This paper estimates the degree of persistence of 16 long-horizon real exchange rates relative to the US dollar. We use nonparametric operational algorithms by El-Gamal and Ryu (2006) for general nonlinear models based on two statistical notions: the short memory in mean (SMM) and the short memory in distribution (SMD). We found substantially shorter maximum half-life (MHL) estimates than the counterpart from linear models, which is robust to the choice of bandwidth with exceptions of Canada and Japan.

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Paper provided by Department of Economics, Auburn University in its series Auburn Economics Working Paper Series with number auwp2013-08.

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Date of creation: Jul 2013
Date of revision:
Handle: RePEc:abn:wpaper:auwp2013-08
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  6. Taylor, Alan M, 2001. "Potential Pitfalls for the Purchasing-Power-Parity Puzzle? Sampling and Specification Biases in Mean-Reversion Tests of the Law of One Price," Econometrica, Econometric Society, vol. 69(2), pages 473-98, March.
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  17. Kim, Hyeongwoo & Moh, Young-Kyu, 2009. "A Century of Purchasing Power Parity Confirmed: The Role of Nonlinearity," MPRA Paper 17488, University Library of Munich, Germany.
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  25. Rossi, Barbara, 2005. "Confidence Intervals for Half-Life Deviations From Purchasing Power Parity," Journal of Business & Economic Statistics, American Statistical Association, vol. 23, pages 432-442, October.
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