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Purchasing power parity in OECD countries: Evidence from panel unit root

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  • Kalyoncu, Huseyin
  • Kalyoncu, Kahraman

Abstract

This paper investigates the validity of purchasing power parity (PPP) for 25 OECD countries by using a panel unit-root methodology. The procedure used here is to examine stationarity of real exchange rate. Using ADF unit-root test on single time-series, it is found that real exchange rate of all OECD countries have unit root. This outcome, however, might be due to the generally low power of this test. The aim of this paper is to reconsider this issue by exploiting the extra information provided by the combination of the time-series and cross-sectional data and the subsequent power advantages of panel data unit-root tests. We apply the test advocated by Im et al. [Im, K.S., Pesaran, M.H., Shin, Y., 1997. Testing for unit roots in heterogenous panels. University of Cambridge, Department of Applied Economics]. According to estimation results real exchange rate in OECD countries are stationary and support long-run purchasing power parity.

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  • Kalyoncu, Huseyin & Kalyoncu, Kahraman, 2008. "Purchasing power parity in OECD countries: Evidence from panel unit root," Economic Modelling, Elsevier, vol. 25(3), pages 440-445, May.
    • Handle: RePEc:eee:ecmode:v:25:y:2008:i:3:p:440-445
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    Cited by:

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    3. Gozgor, Giray, 2011. "Panel unit root tests of purchasing power parity hypothesis: Evidence from Turkey," MPRA Paper 34370, University Library of Munich, Germany.
    4. 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.
    5. Mehmet DINÇ & Mustafa GÖMLEKSIZ2 & Özlem Gül DINÇ, 2022. "What Is New About the PPP Theory in the Nordic Countries? Evidence from Panel Unit Root Tests with Sharp Breaks and Gradual Shifts," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(2), pages 165-186, April.
    6. Axel Grossmann & Marc Simpson & Teofilo Ozuna, 2014. "Investigating the PPP hypothesis using constructed U.S. dollar equilibrium exchange rate misalignments over the post-bretton woods period," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 38(2), pages 235-268, April.
    7. Thomas L Bradley & Paul B Eberle, 2023. "Purchasing Power Parity In Russia And The Transitioning Economy 1990-1995," Review of Economic and Business Studies, Alexandru Ioan Cuza University, Faculty of Economics and Business Administration, issue 31, pages 85-111, June.
    8. Raihan, Selim & Abdullah, S M & Barkat, Aroni & Siddiqua, Salina, 2017. "Mean Reversion of the Real Exchange Rate and the validity of PPP Hypothesis in the context of Bangladesh: A Holistic Approach," MPRA Paper 77172, University Library of Munich, Germany.
    9. Ozdemir, Zeynel Abidin & Cakan, Esin, 2010. "The persistence in real exchange rate: Evidence from East Asian countries," Economic Modelling, Elsevier, vol. 27(5), pages 891-895, September.
    10. Ritesh Kumar Mishra & Sanjay Sehgal, 2011. "Exchange rates and prices in purchasing power parity framework: Are bilateral real exchange rates stationary?," International Journal of Economic Policy in Emerging Economies, Inderscience Enterprises Ltd, vol. 4(3), pages 274-286.
    11. Nikolaos Giannellis & Minoas Koukouritakis, 2018. "Currency Misalignments in the BRIICS Countries: Fixed Vs. Floating Exchange Rates," Open Economies Review, Springer, vol. 29(5), pages 1123-1151, November.
    12. Ahmad Zubaidi Baharumshah & Darja Borsic, 2008. "Purchasing power parity in Central and Eastern European countries," Economics Bulletin, AccessEcon, vol. 6(32), pages 1-8.
    13. Emirmahmutoglu, Furkan & Omay, Tolga, 2014. "Reexamining the PPP hypothesis: A nonlinear asymmetric heterogeneous panel unit root test," Economic Modelling, Elsevier, vol. 40(C), pages 184-190.
    14. Mario Gómez Aguirre & José Carlos A. Rodríguez Chávez, 2012. "Análisis de la paridad del poder de compra: evidencia empírica entre México y Estados Unidos," Estudios Económicos, El Colegio de México, Centro de Estudios Económicos, vol. 27(1), pages 169-207.
    15. Ahmad Zubaidi Baharumshah & Evan Lau & Mudziviri T. Nziramasanga, 2010. "Purchasing Power Parity In African Countries: Evidence From Panel Suradf Test," South African Journal of Economics, Economic Society of South Africa, vol. 78(1), pages 40-56, March.
    16. Ali Acaravci & Ilhan Ozturk, 2010. "Testing Purchasing Power Parity in Transition Countries: Evidence from Structural Breaks," The AMFITEATRU ECONOMIC journal, Academy of Economic Studies - Bucharest, Romania, vol. 12(27), pages 190-198, February.
    17. Sulistiadi Dono Iskandar, 2016. "The Existence of Long-Run PPP: A Comparison between Developed and Developing Countries," Economics and Finance in Indonesia, Faculty of Economics and Business, University of Indonesia, vol. 62, pages 88-97, August.
    18. Nilgün Çil Yavuz, 2009. "Purchasing power parıty with multiple structural breaks: evidence from Turkey," Economics Bulletin, AccessEcon, vol. 29(2), pages 1201-1210.
    19. A. Oznur Umit, 2016. "Stationarity of Real Exchange Rates in the ¡°Fragile Five¡±: Analysis with Structural Breaks," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 8(4), pages 254-270, April.
    20. S. M. Woahid Murad, 2016. "Is the Exchange Rate of Bangladesh Mean Reverting? A Panel Unit Root Approach," Asian Economic and Financial Review, Asian Economic and Social Society, vol. 6(2), pages 100-108, February.

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