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How Puzzling is the PPP Puzzle? An Alternative Half-Life Measure of Convergence to PPP

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Author Info
Georgios Chortareas (University of Essex)
George Kapetanios () (Queen Mary, University of London)

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Abstract

The lengthy half-lives of real exchange rates in the presence of high degree of exchange rate volatility has been considered as one of the most puzzling empirical regularities in international macroeconomics. This paper suggests that the measure of half-life used in the literature might be problematic and suggests an alternative measure. Empirical analysis suggests that use of the new measure may shed light on the PPP puzzle.

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Paper provided by Queen Mary, University of London, Department of Economics in its series Working Papers with number 522.

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Date of creation: Oct 2004
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Handle: RePEc:qmw:qmwecw:wp522

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Related research
Keywords: PPP; Half life; Real exchange rates;

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Find related papers by JEL classification:
C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Hypothesis Testing
C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Statistical Simulation Methods
C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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  2. Cheung, Yin-Wong & Lai, Kon S., 2000. "On the purchasing power parity puzzle," Journal of International Economics, Elsevier, vol. 52(2), pages 321-330, December. [Downloadable!] (restricted)
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    Other versions:
  4. Kleijn, R.H. & Dijk, H.K. van, 2001. "A Bayesian analysis of the PPP puzzle using an unobserved components model," Econometric Institute Report EI 2001-35 Revision_Date:, Erasmus University Rotterdam, Econometric Institute. [Downloadable!]
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  7. Rossi, Barbara, 2002. "Confidence Intervals for Half-life Deviations from Purchasing Power Parity," Working Papers 02-08, Duke University, Department of Economics. [Downloadable!]
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  8. Manzur, Meher, 1990. "An international comparison of prices and exchange rates: a new test of purchasing power parity," Journal of International Money and Finance, Elsevier, vol. 9(1), pages 75-91, March. [Downloadable!] (restricted)
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  10. Abuaf, Niso & Jorion, Philippe, 1990. " Purchasing Power Parity in the Long Run," Journal of Finance, American Finance Association, vol. 45(1), pages 157-74, March. [Downloadable!] (restricted)
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  12. R.H. Kleijn & H.K. Van Dijk, 2001. "A Bayesian analysis of the PPP puzzle using an unobserved components model," Econometric Institute Report 236, Erasmus University Rotterdam, Econometric Institute. [Downloadable!]
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  15. Alan M. Taylor, 2000. "Potential Pitfalls for the Purchasing-Power-Parity Puzzle? Sampling and Specification Biases in Mean-Reversion Tests of the Law of One Price," NBER Working Papers 7577, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  16. Chang, Yoosoon, 2002. "Nonlinear IV Unit Root Tests in Panels with Cross-Sectional Dependency," Working Papers 2000-08, Rice University, Department of Economics. [Downloadable!]
  17. Jean Imbs & Haroon Mumtaz & Morten O. Ravn & Helene Rey, 2003. "PPP Strikes Back: Aggregation and the Real Exchange Rate," IMF Working Papers 03/68, International Monetary Fund. [Downloadable!]
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  18. Chi-Young Choi & Nelson Mark & Donggyu Sul, 2004. "Unbiased Estimation of the Half-Life to PPP Convergence in Panel Data," NBER Working Papers 10614, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  19. Fung, Hung-Gay & Lo, Wai-Chung, 1992. "Deviations from Purchasing Power Parity," The Financial Review, Eastern Finance Association, vol. 27(4), pages 553-70, November.
  20. Andrews, Donald W K & Chen, Hong-Yuan, 1994. "Approximately Median-Unbiased Estimation of Autoregressive Models," Journal of Business & Economic Statistics, American Statistical Association, vol. 12(2), pages 187-204, April.
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  24. Lothian, James R & Taylor, Mark P, 1996. "Real Exchange Rate Behavior: The Recent Float from the Perspective of the Past Two Centuries," Journal of Political Economy, University of Chicago Press, vol. 104(3), pages 488-509, June. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Qian Chen & David E. Giles, 2007. "A Saddlepoint Approximation to the Distribution of the Half-Life Estimator in an Autoregressive Model: New Insights Into the PPP Puzzle," Econometrics Working Papers 0703, Department of Economics, University of Victoria. [Downloadable!]
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