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Efficiency in a matching model with heterogeneous agents: too many good or bad jobs?

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  • Blázquez, Maite
  • Jansen, Marcel

Abstract

This paper analyzes the efficiency of the equilibrium allocation in a matching model with two types of workers and jobs. The technology is such that high-skill workers can perform all jobs, while low-skill workers can only perform unskilled jobs. In this setup two types equilibria may occur. A cross-skill matching equilibrium in which high-skill workers accept all jobs and an ex-post segmentation equilibrium in which they accept only skilled jobs. Our first result shows that the equilibrium with ex-post bargaining is never efficient. Second, under Hosios'(1990) condition we show that low-skill workers are overvalued, while the opposite holds for high-skill workers. In equilibrium, firms therefore create too few unskilled jobs and too many skilled jobs. In addition, high-skill workers may decide to accept unskilled jobs while the efficient allocation features ex-post segmentation. Finally, in an extension we show that efficiency can be restored through taxation and we analyze how workers bargaining strength affects unemployment and the degree of skill-mismatch.

Suggested Citation

  • Blázquez, Maite & Jansen, Marcel, 2003. "Efficiency in a matching model with heterogeneous agents: too many good or bad jobs?," UC3M Working papers. Economics we035019, Universidad Carlos III de Madrid. Departamento de Economía.
  • Handle: RePEc:cte:werepe:we035019
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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, January.
    2. Juan J. Dolado & Marcel Jansen & Juan F. Jimeno, "undated". "A Matching Model of Crowding-Out and On-the-Job Search (with an application to Spain)," Working Papers 2002-16, FEDEA.
    3. Robert Shimer & Lones Smith, 2000. "Assortative Matching and Search," Econometrica, Econometric Society, vol. 68(2), pages 343-370, March.
    4. Acemoglu, Daron & Shimer, Robert, 1999. "Holdups and Efficiency with Search Frictions," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 827-849, November.
    5. Mortensen, Dale & Pissarides, Christopher, 2011. "Job Creation and Job Destruction in the Theory of Unemployment," Economic Policy, Russian Presidential Academy of National Economy and Public Administration, vol. 1, pages 1-19.
    6. JuanJ. Dolado & Marcel Jansen & JuanF. Jimeno, 2009. "On-the-Job Search in a Matching Model with Heterogeneous Jobs and Workers," Economic Journal, Royal Economic Society, vol. 119(534), pages 200-228, January.
    7. James Albrecht & Susan Vroman, 2002. "A Matching Model with Endogenous Skill Requirements," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(1), pages 283-305, February.
    8. Mortensen, Dale T, 1982. "Property Rights and Efficiency in Mating, Racing, and Related Games," American Economic Review, American Economic Association, vol. 72(5), pages 968-979, December.
    9. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-894, October.
    10. Moen, Espen R, 1997. "Competitive Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 385-411, April.
    11. Burdett, Kenneth & Coles, Melvyn G, 1999. "Long-Term Partnership Formation: Marriage and Employment," Economic Journal, Royal Economic Society, vol. 109(456), pages 307-334, June.
    12. Shimer Robert & Smith Lones, 2001. "Matching, Search, and Heterogeneity," The B.E. Journal of Macroeconomics, De Gruyter, vol. 1(1), pages 1-18, April.
    13. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 279-298.
    14. Sattinger, Michael, 1995. "Search and the Efficient Assignment of Workers to Jobs," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 36(2), pages 283-302, May.
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    Citations

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    Cited by:

    1. Olivier Pierrard & Henri Sneessens, 2004. "Biased Technological Shocks, Wage Rigidities and Low-Skilled Unemployment," DNB Working Papers 020, Netherlands Central Bank, Research Department.
    2. Blázquez, Maite & Jansen, Marcel, 2008. "Search, mismatch and unemployment," European Economic Review, Elsevier, vol. 52(3), pages 498-526, April.
    3. repec:aia:aiaswp:wp37 is not listed on IDEAS
    4. Batyra, Anna & Sneessens, Henri R., 2010. "Selective reductions in labor taxation: Labor market adjustments and macroeconomic performance," Journal of Policy Modeling, Elsevier, vol. 32(4), pages 531-543, July.

    More about this item

    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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