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Purchasing power parity in OECD countries: nonlinear unit root tests revisited

  • Juan Carlos Cuestas
  • Paulo José Regis

The aim of this paper is to provide additional evidence on the purchasing power parity empirical fulfillment in a pool of OECD countries. We apply the Harvey et al. (2008) linearity test and the Kruse (2010) nonlinear unit root test. The results point to the fact that the purchasing power parity theory holds in a greater number of countries than has been reported in previous studies.

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Paper provided by Nottingham Trent University, Nottingham Business School, Economics Division in its series Working Papers with number 2010/3.

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Date of creation: Apr 2010
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Handle: RePEc:nbs:wpaper:2010/3
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  1. Obstfeld, Maurice & Rogoff, Kenneth, 1995. "Exchange Rate Dynamics Redux," CEPR Discussion Papers 1131, C.E.P.R. Discussion Papers.
  2. Pasaran, M.H. & Im, K.S. & Shin, Y., 1995. "Testing for Unit Roots in Heterogeneous Panels," Cambridge Working Papers in Economics 9526, Faculty of Economics, University of Cambridge.
  3. Juan Carlos Cuestas & Luís A. Gil-Alana, 2009. "Further evidence on the PPP analysis of the Australian dollar: non-linearities, fractional integration and structural changes," Working Papers 2009/3, Nottingham Trent University, Nottingham Business School, Economics Division.
  4. C. John McDermott & Paul Cashin, 2001. "An Unbiased Appraisal of Purchasing Power Parity," IMF Working Papers 01/196, International Monetary Fund.
  5. Choi, In, 2001. "Unit root tests for panel data," Journal of International Money and Finance, Elsevier, vol. 20(2), pages 249-272, April.
  6. 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.
  7. Maurice Obstfeld & Kenneth S. Rogoff, 1996. "Foundations of International Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262150476, June.
  8. Luis A. Gil-Alana & Guglielmo M. Caporale, 2006. "Nonlinearities and fractional integration in the US unemployment rate," Faculty Working Papers 18/06, School of Economics and Business Administration, University of Navarra.
  9. Abadir, Karim M. & Distaso, Walter, 2007. "Testing joint hypotheses when one of the alternatives is one-sided," Journal of Econometrics, Elsevier, vol. 140(2), pages 695-718, October.
  10. Serena Ng & Pierre Perron, 2001. "LAG Length Selection and the Construction of Unit Root Tests with Good Size and Power," Econometrica, Econometric Society, vol. 69(6), pages 1519-1554, November.
  11. Robinson Kruse, 2011. "A new unit root test against ESTAR based on a class of modified statistics," Statistical Papers, Springer, vol. 52(1), pages 71-85, February.
  12. Juan Carlos Cuestas & Luis A. Gil-Alana, 2013. "A non-linear approach with long range dependence based on Chebyshev polynomials," Working Papers 13-01, Asociación Española de Economía y Finanzas Internacionales.
  13. Taylor, Mark P. & Peel, David A., 2000. "Nonlinear adjustment, long-run equilibrium and exchange rate fundamentals," Journal of International Money and Finance, Elsevier, vol. 19(1), pages 33-53, February.
  14. Maddala, G S & Wu, Shaowen, 1999. " A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(0), pages 631-52, Special I.
  15. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
  16. Juan Carlos Cuestas & Estefania Mourelle, 2011. "Nonlinearities in real exchange rate determination: do African exchange rates follow a random walk?," Applied Economics, Taylor & Francis Journals, vol. 43(2), pages 243-258.
  17. Rudiger Dornbusch, 1980. "Exchange Rate Economics: Where Do We Stand?," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 11(1, Tenth ), pages 143-206.
  18. Froot, Kenneth A. & Rogoff, Kenneth, 1995. "Perspectives on PPP and long-run real exchange rates," Handbook of International Economics, in: G. M. Grossman & K. Rogoff (ed.), Handbook of International Economics, edition 1, volume 3, chapter 32, pages 1647-1688 Elsevier.
  19. 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.
  20. repec:ebl:ecbull:v:3:y:2008:i:27:p:1-8 is not listed on IDEAS
  21. Juan Carlos Cuestas & Paulo José Regis, 2008. "Testing for PPP in Australia: Evidence from unit root test against nonlinear trend stationarity alternatives," Economics Bulletin, AccessEcon, vol. 3(27), pages 1-8.
  22. Bahmani-Oskooee, Mohsen & Kutan, Ali M. & Zhou, Su, 2007. "Testing PPP in the non-linear STAR framework," Economics Letters, Elsevier, vol. 94(1), pages 104-110, January.
  23. Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002. "Unit root tests in panel data: asymptotic and finite-sample properties," Journal of Econometrics, Elsevier, vol. 108(1), pages 1-24, May.
  24. Hakkio, Craig S., 1984. "A re-examination of purchasing power parity : A multi-country and multi-period study," Journal of International Economics, Elsevier, vol. 17(3-4), pages 265-277, November.
  25. Rapach, David E. & Wohar, Mark E., 2006. "The out-of-sample forecasting performance of nonlinear models of real exchange rate behavior," International Journal of Forecasting, Elsevier, vol. 22(2), pages 341-361.
  26. Michael, Panos & Nobay, A Robert & Peel, David A, 1997. "Transactions Costs and Nonlinear Adjustment in Real Exchange Rates: An Empirical Investigation," Journal of Political Economy, University of Chicago Press, vol. 105(4), pages 862-79, August.
  27. Harvey David I & Leybourne Stephen J & Xiao Bin, 2008. "A Powerful Test for Linearity When the Order of Integration is Unknown," Studies in Nonlinear Dynamics & Econometrics, De Gruyter, vol. 12(3), pages 1-24, September.
  28. David I. Harvey & Stephen J. Leybourne, 2007. "Testing for time series linearity," Econometrics Journal, Royal Economic Society, vol. 10(1), pages 149-165, 03.
  29. Corbae, Dean & Ouliaris, Sam, 1991. "A Test of Long-Run Purchasing Power Parity Allowing for Structural Breaks," The Economic Record, The Economic Society of Australia, vol. 67(196), pages 26-33, March.
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