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Increasing returns in matching and labour market dynamics: Comments on indeterminacy and search theory

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  • Guerrazzi, Marco

Abstract

In this note I discuss the condition for indeterminacy in the context of search models with increasing returns in the matching technology. Building on the theoretical framework set forth by Giammarioli (2003), I argue that increasing returns with respect to vacancies at the aggregate level is only a necessary requirement for indeterminate equilibrium paths. Specifically, I show that sunspot equilibria can actually be obtained by imposing an additional condition between the private and the social elasticity of the matching function with respect to unemployment.

Suggested Citation

  • Guerrazzi, Marco, 2015. "Increasing returns in matching and labour market dynamics: Comments on indeterminacy and search theory," MPRA Paper 61947, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:61947
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    References listed on IDEAS

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    1. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, December.
    2. Michael U. Krause & Thomas A. Lubik, 2010. "Instability and indeterminacy in a simple search and matching model," Economic Quarterly, Federal Reserve Bank of Richmond, vol. 96(3Q), pages 259-272.
    3. Luca Benati & Thomas A. Lubik, 2014. "The Time-Varying Beveridge Curve," Dynamic Modeling and Econometrics in Economics and Finance, in: Frauke Schleer-van Gellecom (ed.), Advances in Non-linear Economic Modeling, edition 127, pages 167-204, Springer.
    4. Frauke Schleer-van Gellecom (ed.), 2014. "Advances in Non-linear Economic Modeling," Dynamic Modeling and Econometrics in Economics and Finance, Springer, edition 127, number 978-3-642-42039-9, March.
    5. Zanetti, Francesco, 2006. "Labor Market Frictions, Indeterminacy, and Interest Rate Rules," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(7), pages 1959-1970, October.
    6. Guerrazzi, Marco, 2012. "The animal spirits hypothesis and the Benhabib–Farmer condition for indeterminacy," Economic Modelling, Elsevier, vol. 29(4), pages 1489-1497.
    7. Benhabib Jess & Farmer Roger E. A., 1994. "Indeterminacy and Increasing Returns," Journal of Economic Theory, Elsevier, vol. 63(1), pages 19-41, June.
    8. Giammarioli, Nicola, 2003. "Indeterminacy and search theory," Working Paper Series 271, European Central Bank.
    9. Thomas A. Lubik & Karl Rhodes, 2014. "Putting the Beveridge Curve Back to Work," Richmond Fed Economic Brief, Federal Reserve Bank of Richmond, issue Sept.
    10. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 57(2), pages 279-298.
    11. Vanhala, Juuso & Bonthuis, Boele & Jarvis, Valerie, 2013. "What’s going on behind the euro area Beveridge curve(s)?," Working Paper Series 1586, European Central Bank.
    12. Farmer Roger E. A. & Guo Jang-Ting, 1994. "Real Business Cycles and the Animal Spirits Hypothesis," Journal of Economic Theory, Elsevier, vol. 63(1), pages 42-72, June.
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    Cited by:

    1. Marcin Wozniak, 2021. "Spatial matching on the urban labor market: estimates with unique micro data," Journal for Labour Market Research, Springer;Institute for Employment Research/ Institut für Arbeitsmarkt- und Berufsforschung (IAB), vol. 55(1), pages 1-17, December.

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    Keywords

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    JEL classification:

    • E10 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - General
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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