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Why not use standard panel unit root test for testing PPP

Author

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  • Lyhagen, Johan

    () (Dept. of Economic Statistics, Stockholm School of Economics)

Abstract

In this paper we show the consequences of applying a panel unit root test when testing for a purchasing power parity relationship. The distribution of the tests investigated, including the IPS test of Im et al (1997), are influenced by a common stochastic trend which is usually not accounted for. The result is that the size tends to one with the number of cross-sections.

Suggested Citation

  • Lyhagen, Johan, 2000. "Why not use standard panel unit root test for testing PPP," SSE/EFI Working Paper Series in Economics and Finance 413, Stockholm School of Economics.
  • Handle: RePEc:hhs:hastef:0413
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    Citations

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    Cited by:

    1. Christian Dreger & Hans-Eggert Reimers, 2006. "Hysteresis and Persistence in the Course of Unemployment: The EU and US Experience," Discussion Papers of DIW Berlin 572, DIW Berlin, German Institute for Economic Research.
    2. Matias Mednik & Cesar M. Rodriguez & Inder J. Ruprah, 2012. "Hysteresis in unemployment: Evidence from Latin America," Journal of International Development, John Wiley & Sons, Ltd., vol. 24(4), pages 448-466, May.
    3. Tor Jacobson & Johan Lyhagen & Rolf Larsson & Marianne Nessén, 2008. "Inflation, exchange rates and PPP in a multivariate panel cointegration model," Econometrics Journal, Royal Economic Society, vol. 11(1), pages 58-79, March.
    4. Christian Gengenbach & Franz C. Palm & Jean-Pierre Urbain, 2010. "Panel Unit Root Tests in the Presence of Cross-Sectional Dependencies: Comparison and Implications for Modelling," Econometric Reviews, Taylor & Francis Journals, vol. 29(2), pages 111-145, April.
    5. Breitung, Jörg & Pesaran, Mohammad Hashem, 2005. "Unit roots and cointegration in panels," Discussion Paper Series 1: Economic Studies 2005,42, Deutsche Bundesbank.
    6. António Afonso & Christophe Rault, 2007. "What We Really Know about Fiscal Sustainability in the EU? A Panel Data Diagnostic," Working Papers Department of Economics 2007/20, ISEG - Lisbon School of Economics and Management, Department of Economics, Universidade de Lisboa.
    7. Gengenbach Christian & Palm Franz C. & Urbain Jean-Pierre, 2005. "Panel Cointegration Testing in the Presence of Common Factors," Research Memorandum 050, Maastricht University, Maastricht Research School of Economics of Technology and Organization (METEOR).
    8. Castrén, Olli & Osbat, Chiara & Sydow, Matthias, 2006. "What drives investors' behaviour in different FX market segments? A VAR-based return decomposition analysis," Working Paper Series 706, European Central Bank.
    9. Piotr Krajewski & Michal Mackiewicz & Agata Szymańska, 2016. "Fiscal Sustainability in Central and Eastern European Countries - A Post-Crisis Assessment," Prague Economic Papers, University of Economics, Prague, vol. 2016(2), pages 175-188.
    10. Guglielmo Maria Caporale & Mario Cerrato, 2006. "Panel data tests of PPP: a critical overview," Applied Financial Economics, Taylor & Francis Journals, vol. 16(1-2), pages 73-91.
    11. António Afonso & Christophe Rault, 2010. "What do we really know about fiscal sustainability in the EU? A panel data diagnostic," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 145(4), pages 731-755, January.
    12. Imed Drine & Christophe Rault, 2008. "Purchasing Power Parity For Developing And Developed Countries. What Can We Learn From Non-Stationary Panel Data Models?," Journal of Economic Surveys, Wiley Blackwell, vol. 22(4), pages 752-773, September.
    13. Christian Dreger & Hans-Eggert Reimers, 2009. "Hysteresis in the development of unemployment: the EU and US experience," Spanish Economic Review, Springer;Spanish Economic Association, vol. 11(4), pages 267-276, December.
    14. António Afonso & Christophe Rault, 2010. "What do we really know about fiscal sustainability in the EU? A panel data diagnostic," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 145(4), pages 731-755, January.
    15. Mauro Costantini & Claudio Lupi, 2013. "A Simple Panel-CADF Test for Unit Roots," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 75(2), pages 276-296, April.
    16. Martin Berka, 2009. "Nonlinear Adjustment in Law of One Price Deviations and Physical Characteristics of Goods," Review of International Economics, Wiley Blackwell, vol. 17(1), pages 51-73, February.
    17. Richard G. Anderson & Hailong Qian & Robert H. Rasche, 2006. "Analysis of panel vector error correction models using maximum likelihood, the bootstrap, and canonical-correlation estimators," Working Papers 2006-050, Federal Reserve Bank of St. Louis.
    18. Chortareas, Georgios & Kapetanios, George, 2009. "Getting PPP right: Identifying mean-reverting real exchange rates in panels," Journal of Banking & Finance, Elsevier, vol. 33(2), pages 390-404, February.
    19. Christian Gengenbach & Franz C. Palm & Jean-Pierre Urbain, 2006. "Cointegration Testing in Panels with Common Factors," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 68(s1), pages 683-719, December.
    20. Martin Wagner, 2008. "On PPP, unit roots and panels," Empirical Economics, Springer, vol. 35(2), pages 229-249, September.
    21. Bottasso, Anna & Castagnetti, Carolina & Conti, Maurizio, 2013. "And yet they Co-move! Public capital and productivity in OECD," Journal of Policy Modeling, Elsevier, vol. 35(5), pages 713-729.
    22. Choi, Chi-Young, 2004. "Searching for evidence of long-run PPP from a post-Bretton Woods panel: separating the wheat from the chaff," Journal of International Money and Finance, Elsevier, vol. 23(7-8), pages 1159-1186.
    23. Romero-Avila, Diego, 2008. "Questioning the empirical basis of the environmental Kuznets curve for CO2: New evidence from a panel stationarity test robust to multiple breaks and cross-dependence," Ecological Economics, Elsevier, vol. 64(3), pages 559-574, January.

    More about this item

    Keywords

    Dynamic panels; Monte Carlo; Purchasing power parity;

    JEL classification:

    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models

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