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Is there a rule of thumb for absolute purchasing power parity to hold?

  • Zhang, Zhibai

We find an example where real exchange rate (RER) is stationary and the nominal exchange rate and the price levels are cointegrated but purchasing power parity (PPP) does not hold, which reveals a fault of the unit root and cointegration tests in this use. We argue that the distribution of an RER misalignment can be used in testing absolute PPP. Then we apply this new test and the coefficient restriction test to study the validity of absolute PPP in 40 main countries and areas (versus the US) in light of the Harrod-Balassa-Samuelson effect. The econometric proofs show that absolute PPP holds or closely holds in most countries when their averaged relative GDP per capita (GDPPs, against the US with the US = 1) are greater than 0.7. And it does not hold in almost all countries when their averaged GDPPs are smaller than 0.7. Thus, a rule of thumb for the theory to hold is that the GDPP should be above 0.7.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 55338.

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Date of creation: 14 Apr 2014
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Handle: RePEc:pra:mprapa:55338
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  1. Yin-Wong Cheung & Antonio Garcia Pascual & Menzie David Chinn, 2004. "Empirical Exchange Rate Models of the Nineties; Are Any Fit to Survive?," IMF Working Papers 04/73, International Monetary Fund.
  2. 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.
  3. Engel, C., 1996. "Long-Run PPP May Not Hold After All," Discussion Papers in Economics at the University of Washington 96-05, Department of Economics at the University of Washington.
  4. Edison, Hali J. & Gagnon, Joseph E. & Melick, William R., 1997. "Understanding the empirical literature on purchasing power parity: the post-Bretton Woods era," Journal of International Money and Finance, Elsevier, vol. 16(1), pages 1-17, February.
  5. Pablo Astorga, 2010. "Mean Reversion in Long-Horizon Real Exchange Rates: Evidence from Latin America," Economics Series Working Papers Number 80, University of Oxford, Department of Economics.
  6. Alan M. Taylor & Mark P. Taylor, 2004. "The Purchasing Power Parity Debate," Journal of Economic Perspectives, American Economic Association, vol. 18(4), pages 135-158, Fall.
  7. Frenkel, Jacob A., 1981. "The collapse of purchasing power parities during the 1970's," European Economic Review, Elsevier, vol. 16(1), pages 145-165.
  8. Peel, David & Sarno, Lucio & Taylor, Mark P, 2001. "Nonlinear Mean-Reversion in Real Exchange Rates: Towards a Solution to the Purchasing Power Parity Puzzles," CEPR Discussion Papers 2658, C.E.P.R. Discussion Papers.
  9. Chang, Tsangyao & Tzeng, Han-Wen, 2011. "Long-run purchasing power parity with asymmetric adjustment: Further evidence from nine transition countries," Economic Modelling, Elsevier, vol. 28(3), pages 1383-1391, May.
  10. Peter Pedroni, 2004. "Panel Cointegration: Asymptotic and Finite Sample Properties of Pooled Time Series Tests with an Application to the PPP Hypothesis," Department of Economics Working Papers 2004-15, Department of Economics, Williams College.
  11. Peter Isard, 2007. "Equilibrium Exchange Rates; Assessment Methodologies," IMF Working Papers 07/296, International Monetary Fund.
  12. Ito, Takatoshi, 1997. "The Long-Run Purchasing Power Parity for the Yen: Historical Overview," Journal of the Japanese and International Economies, Elsevier, vol. 11(4), pages 502-521, December.
  13. Kenneth Rogoff, 1996. "The Purchasing Power Parity Puzzle," Journal of Economic Literature, American Economic Association, vol. 34(2), pages 647-668, June.
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