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A strong hysteretic model of Okun's Law: Theory and a preliminary investigation

Author

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  • Dany Lang
  • Christian de Peretti

    (EPEE - Centre d'Etudes des Politiques Economiques - UEVE - Université d'Évry-Val-d'Essonne)

Abstract

This paper presents a 'strong hysteretic' version of Okun's Law, that is, a version of the law in which 'history matters.' In this version of the link between fluctuations in unemployment and growth, the most important past growth shock exerts an influence on the current unemployment rate. A theoretical framework is proposed in order to lay the foundations of this version of Okun's Law. In this framework, the hysteresis property arises because a large number of heterogeneous firms discontinuously adjust their activity levels in response to fluctuations in the rate of growth. The foundations having been laid, a method for empirically testing our hysteretic Okun's Law is presented. An algorithm permits construction of a hysteresis operator, which synthesizes, for every moment, the growth shocks that have remained in the memory bank of the unemployment rate. Empirical tests are conducted to assess the empirical relevance of this version of Okun's Law, as compared to the more familiar linear relationship. Empirical results consistent with hysteresis are found for several of the countries in our sample. © 2009 Taylor & Francis.

Suggested Citation

  • Dany Lang & Christian de Peretti, 2009. "A strong hysteretic model of Okun's Law: Theory and a preliminary investigation," Post-Print hal-02877983, HAL.
    • Handle: RePEc:hal:journl:hal-02877983
    DOI: 10.1080/02692170902954775
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    References listed on IDEAS

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    1. Cross,Rod Preface by-Name:Blanchard,Olivier (ed.), 1995. "The Natural Rate of Unemployment," Cambridge Books, Cambridge University Press, number 9780521483308, September.
    2. Giovanni Urga & Christian de Peretti, 2004. "Stopping Tests in the Sequential Estimation for Multiple Structural Breaks," Econometric Society 2004 Latin American Meetings 320, Econometric Society.
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    Cited by:

    1. Koutroulis, Aristotelis & Panagopoulos, Yannis & Tsouma, Ekaterini, 2016. "Asymmetry in the response of unemployment to output changes in Greece: Evidence from hidden co-integration," The Journal of Economic Asymmetries, Elsevier, vol. 13(C), pages 81-88.
    2. Paulo R. Mota & Paulo B. Vasconcelos, 2018. "Does the Deregulation of the Labour Market Reduce Employment Hysteresis? An Analysis in a Low Interest Rate Environment," FEP Working Papers 611, Universidade do Porto, Faculdade de Economia do Porto.
    3. Roger Perman & Gaetan Stephan & Christophe Tavéra, 2015. "Okun's Law—a Meta-analysis," Manchester School, University of Manchester, vol. 83(1), pages 101-126, January.
    4. Kavese Kambale & Phiri Andrew, 2020. "A Provincial Perspective of Nonlinear Okun’s Law for Emerging Markets: The Case of South Africa," Studia Universitatis „Vasile Goldis” Arad – Economics Series, Sciendo, vol. 30(3), pages 59-76, September.
    5. Christian Peretti, 2007. "Long Memory and Hysteresis," Springer Books, in: Gilles Teyssière & Alan P. Kirman (ed.), Long Memory in Economics, pages 363-389, Springer.
    6. Federico Bassi, 2016. "Aggregate demand, sunk costs and discontinuous adjustments in an amended new consensus model," Review of Political Economy, Taylor & Francis Journals, vol. 28(3), pages 313-335, July.
    7. Andrew Phiri, 2019. "Fitting Okun's law for the Swazi Kingdom: Will a nonlinear specification do?," Economics Bulletin, AccessEcon, vol. 39(2), pages 1371-1383.
    8. Angel Asensio & Dany Lang & Sébastien Charles, 2012. "Post Keynesian modeling: where are we, and where are we going to?," Journal of Post Keynesian Economics, Taylor & Francis Journals, vol. 34(3), pages 393-412.
    9. Asensio, Angel & Charles, Sébastien & Lang, Dany & Le Heron, Edwin, 2011. "Les développements récents de la macroéconomie post-keynésienne," Revue de la Régulation - Capitalisme, institutions, pouvoirs, Association Recherche et Régulation, vol. 10.
    10. KARGI, Bilal, 2014. "Okun’s Law and Long Term Co-Integration Analysis for OECD Countries (1987-2012)," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 119, pages 77-85.
    11. Lal, Irfan & Mohammad, Sulaiman D. & Hussain, Adnan & Jalil, Anwar, 2012. "Test of Okun’s Law in Some Asian Countries Co-Integration Approach," MPRA Paper 106934, University Library of Munich, Germany.
    12. Roger, Perman & Gaetan, Stephan & Christophe, Tavéra, 2013. "Okun’s law – A meta analysis," SIRE Discussion Papers 2013-59, Scottish Institute for Research in Economics (SIRE).
    13. Clévenot, Mickaël, 2011. "Post-keynésianisme et théorie de la régulation : des perspectives communes," Revue de la Régulation - Capitalisme, institutions, pouvoirs, Association Recherche et Régulation, vol. 10.
    14. Bassi, Federico & Lang, Dany, 2016. "Investment hysteresis and potential output: A post-Keynesian–Kaleckian agent-based approach," Economic Modelling, Elsevier, vol. 52(PA), pages 35-49.
    15. Kargı, Bilal, 2014. "The Data of Labor Market in Turkey and Time Series Analysis on Economic Growth (2000:01-2013:03)," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 3(3), pages 98-102.
    16. Váry, Miklós, 2018. "A hiszterézis közgazdasági jelentőségéről posztkeynesi szemléletben [The economic relevance of hysteresis from a post-Keynesian perspective]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(10), pages 1006-1047.
    17. Paulo R. Mota & Abel L. C. Fernandes & Paulo B. Vasconcelos, 2018. "Employment Hysteresis: An Argument For Avoiding Front-Loaded Fiscal Consolidations In The Eurozone," FEP Working Papers 610, Universidade do Porto, Faculdade de Economia do Porto.
    18. Phiri, Andrew, 2014. "Re-evaluating Okun's law in South Africa: A nonlinear co-integration approach," MPRA Paper 57398, University Library of Munich, Germany.
    19. Giorgio Canarella & Stephen M. Miller, 2017. "Did Okun’s law die after the Great Recession?," Business Economics, Palgrave Macmillan;National Association for Business Economics, vol. 52(4), pages 216-226, October.
    20. Dany Lang & Mark Setterfield, 2012. "Faith-based Macroeconomics: A Critique of Recent Developments in NAIRU Estimation," Chapters, in: Claude Gnos & Louis-Philippe Rochon & Domenica Tropeano (ed.), Employment, Growth and Development, chapter 5, Edward Elgar Publishing.
    21. Mariam Camarero & Juan Sapena & Cecilio Tamarit, 2024. "Introducing sspaneltvp: a code to estimating state-space time varying parameter models in panels. An application to Okun’s law," Working Papers 2405, Department of Applied Economics II, Universidad de Valencia.
    22. Albers, Scott, 2013. "Okun’s Law as a Pi-to-1 ratio: A harmonic / trigonometric theory as to why Okun’s Law works," MPRA Paper 46633, University Library of Munich, Germany.

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