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Unemployment, Particiation and Market Size

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Author Info
Godfrey Keller
Kevin Roberts
Margaret Stevens

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Abstract

We construct an equilibrium random matching model of the labour market, with endogenous market participation and a general matching technology that allows for market size effects: the job-finding rate for workers and the incentives for participation change with the level of unemployment. In comparison to standard models with constant returns to scale in matching, agent behaviour is more complex - the model generates plausible joint dynamics of employment, unemployment and participation with heterogeneity in search behaviour for workers with different degrees of attachment to the labour market. Techniques are developed to reduce the dimensionality of the problem to establish local and global stability; a complicating factor is the possibility of multiple equilibria, welfare-ranked by market size. A Hosios-type condition internalises search externalities.

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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 362.

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Date of creation: 2007
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Handle: RePEc:oxf:wpaper:362

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Related research
Keywords: Unemployment Participation Job Search Matching Function Returns to Scale Multiple Equilibria Stability Coordination Search Externalities

Find related papers by JEL classification:
J41 - Labor and Demographic Economics - - Particular Labor Markets - - - Labor Contracts
J64 - Labor and Demographic Economics - - Mobility, Unemployment, and Vacancies - - - Unemployment: Models, Duration, Incidence, and Job Search

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  1. Acemoglu, Daron, 1997. "Technology, unemployment and efficiency," European Economic Review, Elsevier, vol. 41(3-5), pages 525-533, April. [Downloadable!] (restricted)
    Other versions:
  2. Drazen, Allan, 1988. "Self-fulfilling Optimism in a Trade-Friction Model of the Business Cycle," American Economic Review, American Economic Association, vol. 78(2), pages 369-72, May. [Downloadable!] (restricted)
  3. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March. [Downloadable!]
  4. repec:cup:macdyn:v:4:y:2000:i:3:p:289-323 is not listed on IDEAS
  5. Diamond, Peter & Fudenberg, Drew, 1989. "Rational Expectations Business Cycles in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 97(3), pages 606-19, June. [Downloadable!] (restricted)
    Other versions:
  6. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-94, October. [Downloadable!] (restricted)
    Other versions:
  7. Pissarides, Christopher A, 1984. "Search Intensity, Job Advertising, and Efficiency," Journal of Labor Economics, University of Chicago Press, vol. 2(1), pages 128-43, January. [Downloadable!] (restricted)
  8. Howitt, Peter & McAfee, R Preston, 1987. "Costly Search and Recruiting," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 28(1), pages 89-107, February. [Downloadable!] (restricted)
  9. Mortensen, Dale T & Pissarides, Christopher A, 1994. "Job Creation and Job Destruction in the Theory of Unemployment," Review of Economic Studies, Blackwell Publishing, vol. 61(3), pages 397-415, July. [Downloadable!] (restricted)
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  10. Hosios, Arthur J, 1990. "On the Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Blackwell Publishing, vol. 57(2), pages 279-98, April. [Downloadable!] (restricted)
  11. Coles, Melvyn G & Smith, Eric, 1996. "Cross-Section Estimation of the Matching Function: Evidence from England and Wales," Economica, London School of Economics and Political Science, vol. 63(252), pages 589-97, November. [Downloadable!] (restricted)
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  12. Merz, Monika, 1999. "Heterogeneous job-matches and the cyclical behavior of labor turnover," Journal of Monetary Economics, Elsevier, vol. 43(1), pages 91-124, February. [Downloadable!] (restricted)
  13. Aki Kangasharju & Jaakko Pehkonen & Sari Pekkala, 2005. "Returns to scale in a matching model: evidence from disaggregated panel data," Applied Economics, Taylor and Francis Journals, vol. 37(1), pages 115-118, January. [Downloadable!] (restricted)
  14. Cole, Harold L & Rogerson, Richard, 1999. "Can the Mortensen-Pissarides Matching Model Match the Business-Cycle Facts?," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 933-59, November.
  15. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November. [Downloadable!] (restricted)
  16. Robert Shimer & Lones Smith, 2001. "Matching, Search, and Heterogeneity," Advances in Macroeconomics, Berkeley Electronic Press, vol. 1(advances/), pages 1010-1010. [Downloadable!] (restricted)
  17. Mortensen, Dale T, 1999. "Equilibrium Unemployment Dynamics," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 889-914, November.
  18. Charles E. Hyde, 1997. "Multiple equilibria in bargaining models of decentralized trade (*)," Economic Theory, Springer, vol. 9(2), pages 283-307.
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