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Island matching

  • Mortensen, Dale T.

A plausible micro foundation for the matching function, postulated in models of equilibrium unemployment, is proposed. The flow of matches formed is an increasing and concave function of the number of jobs and workers to be matched holding the other constant, but exhibits increasing to scale. Nevertheless, the function is consistent with the observed Beveridge curve and the log linear relationship between the job finding rate and the vacancy-unemployment ratio. Although a market equilibrium in which wages are determined by ex post auctions is not constrained efficient, a modified auction exists that decentralizes the solution to the social planner's problem.

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Article provided by Elsevier in its journal Journal of Economic Theory.

Volume (Year): 144 (2009)
Issue (Month): 6 (November)
Pages: 2336-2353

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Handle: RePEc:eee:jetheo:v:144:y:2009:i:6:p:2336-2353
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622869

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  1. Barbara Petrongolo & Christopher Pissarides, 2000. "Looking into the black box: a survey of the matching function," LSE Research Online Documents on Economics 2122, London School of Economics and Political Science, LSE Library.
  2. Dale Mortensen & Eva Nagypal, 2007. "More on Unemployment and Vacancy Fluctuations," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 10(3), pages 327-347, July.
  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.
  4. Dale T. Mortensen & Randall Wright, 2002. "Competitive Pricing and Efficiency in Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(1), pages 1-20, February.
  5. Robert E. Hall & Paul R. Milgrom, 2008. "The Limited Influence of Unemployment on the Wage Bargain," American Economic Review, American Economic Association, vol. 98(4), pages 1653-74, September.
  6. Mortensen, Dale T, 1982. "Property Rights and Efficiency in Mating, Racing, and Related Games," American Economic Review, American Economic Association, vol. 72(5), pages 968-79, December.
  7. Diamond, Peter A, 1982. "Wage Determination and Efficiency in Search Equilibrium," Review of Economic Studies, Wiley Blackwell, vol. 49(2), pages 217-27, April.
  8. Lucas, Robert Jr. & Prescott, Edward C., 1974. "Equilibrium search and unemployment," Journal of Economic Theory, Elsevier, vol. 7(2), pages 188-209, February.
  9. Fudenberg, Drew & Diamond, Peter, 1989. "Rational Expectations Business Cycles in Search Equilibrium," Scholarly Articles 3374509, Harvard University Department of Economics.
  10. Julien, Benoit & Kennes, John & King, Ian, 2006. "The Mortensen rule and efficient coordination unemployment," Economics Letters, Elsevier, vol. 90(2), pages 149-155, February.
  11. Marcus Hagedorn & Iourii Manovskii, 2008. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," American Economic Review, American Economic Association, vol. 98(4), pages 1692-1706, September.
  12. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, June.
  13. 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.
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