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A Nonparametric Measure of Convergence Toward Purchasing Power Parity

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  • Mototsugu Shintani

    ()
    (Department of Economics, Vanderbilt University)

Abstract

It has been claimed that the deviations from purchasing power parity are highly persistent and have quite long half-lives under the assumption of a linear adjustment of real exchange rates. However, inspired by trade cost models, nonlinear adjustment has been widely employed in recent empirical studies. This paper proposes a simple nonparametric procedure for evaluating the speed of adjustment in the presence of nonlinearity, using the largest Lyapunov exponent of the time series. The empirical result suggests that the speed of convergence to a long-run price level is indeed faster than what was found in previous studies with linear restrictions.

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File URL: http://www.accessecon.com/pubs/VUECON/vu02-w19R.pdf
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Bibliographic Info

Paper provided by Vanderbilt University Department of Economics in its series Vanderbilt University Department of Economics Working Papers with number 0219.

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Date of creation: Aug 2002
Date of revision: Jul 2004
Handle: RePEc:van:wpaper:0219

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Web page: http://www.vanderbilt.edu/econ/wparchive/index.html

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Keywords: Mean reversion; nonlinear time series; nonparametric regression; purchasing power parity puzzle; Real exchange rates;

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Citations

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Cited by:
  1. Bask, Mikael, 2007. "Measuring potential market risk," Research Discussion Papers 20/2007, Bank of Finland.
  2. Bask, Mikael & Widerberg, Anna, 2008. "Market Structure and the Stability and Volatility of Electricity Prices," Working Papers in Economics 327, University of Gothenburg, Department of Economics.
  3. Dimitrios Malliaropulos & Ekaterini Panopoulou & Theologos Pantelidis & Nikitas Pittis, 2013. "Decomposing the persistence of real exchange rates," Empirical Economics, Springer, Springer, vol. 44(3), pages 1217-1242, June.
  4. Choi, Chi-Young & Matsubara, Kiyoshi, 2007. "Heterogeneity in the persistence of relative prices: What do the Japanese cities tell us?," Journal of the Japanese and International Economies, Elsevier, vol. 21(2), pages 260-286, June.
  5. Hyeongwoo Kim & Deockhyun Ryu, 2013. "Measuring the Speed of Convergence of Stock Prices: A Nonparametric and Nonlinear Approach," Auburn Economics Working Paper Series auwp2013-06, Department of Economics, Auburn University.
  6. Bask, Mikael & Widerberg, Anna, 2007. "The Stability and Volatility of Electricity Prices: An Illustration of (lambda, sigma-2) Analysis," Working Papers in Economics 267, University of Gothenburg, Department of Economics.
  7. David E. Giles & Chad N. Stroomer, 2005. "Does Trade Openness Affect the Speed of Output Convergence? Some Empirical Evidence," Econometrics Working Papers 0509, Department of Economics, University of Victoria.
  8. Parhi, Mamata & Diebolt, Claude & Mishra, Tapas & Gupta, Prashant, 2013. "Convergence dynamics of output: Do stochastic shocks and social polarization matter?," Economic Modelling, Elsevier, vol. 30(C), pages 42-51.
  9. Baharumshah, Ahmad Zubaidi & Chan, Tze-Haw & Aggarwal, Raj, 2006. "The Changing Dynamics of the East Asian Real Exchange Rates after the Financial Crisis: Further Evidence on Mean Reversion," MPRA Paper 6090, University Library of Munich, Germany, revised 22 Nov 2007.
  10. Hyeongwoo Kim & Deockhyun Ryu, 2013. "A Nonparametric Study of Real Exchange Rate Persistence over a Century," Auburn Economics Working Paper Series auwp2013-08, Department of Economics, Auburn University.
  11. Ahmad Zubaidi Baharumshah & Raj Aggarwal & Chan Tze Haw, 2007. "East Asian Real Exchange Rates and PPP: New Evidence from Panel-data Tests," Global Economic Review, Taylor & Francis Journals, Taylor & Francis Journals, vol. 36(2), pages 103-119.
  12. Chan, Tze-Haw & Chong, Lee Lee & Khong, Wye Leong Roy, 2008. "Real Exchange Rate Behavior: New Evidence with Linear and Non-linear Endogenous Break(s)," MPRA Paper 3406, University Library of Munich, Germany.
  13. Deockhyun Ryu & Mahmoud A. El-Gamal, 2004. "Short Memory and the PPP-puzzle," Econometric Society 2004 Far Eastern Meetings, Econometric Society 577, Econometric Society.
  14. El-Gamal, Mahmoud A. & Ryu, Deockhyun, 2006. "Short-memory and the PPP hypothesis," Journal of Economic Dynamics and Control, Elsevier, Elsevier, vol. 30(3), pages 361-391, March.

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