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Purchasing Power Disparity During the Floating Rate Period: Exchange Rate Volatility, Trade Barriers and Other Culprits

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  • Shang-Jin Wei
  • David C. Parsley

Abstract

Using a panel of 12 tradable sectors in 91 OECD country pairs (14 countries), we study the deviations from the purchasing power parity during the recent floating exchange rate period. (1) We find some evidence that the deviations are positively related to exchange rate volatility as well as to transportation costs. (2) Once we have controlled for these two factors, free trade areas such as the EC and the EFTA do not seem to reduce significantly the deviations from PPP relative to other OECD countries. (3) Although only using the post- 1973 data, we are able to find strong evidence of mean reversion towards PPP. The estimated half lives of the deviation from PPP are about four years and three quarters for the non-EMS countries in the sample, and four years and one quarter for the EMS countries. (4) We find evidence of non-linearity in the rate of mean reversion: the convergence occurs faster for country pairs with larger initial deviations.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 5032.

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Date of creation: Feb 1995
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Handle: RePEc:nbr:nberwo:5032

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  1. 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.
  2. De Gregorio, Jose & Giovannini, Alberto & Wolf, Holger C., 1994. "International evidence on tradables and nontradables inflation," European Economic Review, Elsevier, vol. 38(6), pages 1225-1244, June.
  3. Charles Engel & John H. Rogers, 1994. "How Wide is the Border?," NBER Working Papers 4829, National Bureau of Economic Research, Inc.
  4. Atish R. Ghosh & Holger C. Wolf, 1994. "Pricing in International Markets: Lessons from The Economist," Working Papers 94-21, New York University, Leonard N. Stern School of Business, Department of Economics.
  5. Bela Balassa, 1964. "The Purchasing-Power Parity Doctrine: A Reappraisal," Journal of Political Economy, University of Chicago Press, vol. 72, pages 584.
  6. Kenneth Rogoff, 1992. "Traded Goods Consumption Smoothing and the Random Walk Behavior of the Real Exchange Rate," Monetary and Economic Studies, Institute for Monetary and Economic Studies, Bank of Japan, vol. 10(2), pages 1-29, November.
  7. Papell, David H, 1994. "Exchange Rates and Prices: An Empirical Analysis," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 35(2), pages 397-410, May.
  8. Kenneth A. Froot & Kenneth Rogoff, 1991. "The EMS, the EMU, and the Transition to a Common Currency," NBER Working Papers 3684, National Bureau of Economic Research, Inc.
  9. Ken Froot & Kenneth Rogoff, . "Perspectives on PPP and Long-Run Real Exchange Rates," Working Paper 32027, Harvard University OpenScholar.
  10. Jeffrey A. Frankel, 1985. "International capital mobility and crowding-out in the U.S. economy: imperfect integration of financial markets or of goods markets?," Proceedings, Federal Reserve Bank of St. Louis, pages 33-74.
  11. Jeffrey A. Frankel & Ernesto Stein & Shang-Jin Wei, 1998. "Continental Trading Blocs: Are They Natural or Supernatural?," NBER Chapters, in: The Regionalization of the World Economy, pages 91-120 National Bureau of Economic Research, Inc.
  12. Jeffrey A. Frankel and Shang-Jin Wei., 1993. "Emerging Currency Blocs," Center for International and Development Economics Research (CIDER) Working Papers C93-026, University of California at Berkeley.
  13. Genberg, Hans, 1978. "Purchasing power parity under fixed and flexible exchange rates," Journal of International Economics, Elsevier, vol. 8(2), pages 247-276, May.
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