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Island Matching

  • Dale T. Mortensen

    (Northwestern University and Aarhus University)

The purpose of this paper is to use Shimer's (2006) mismatch structure to create a synthesis of the Lucas-Prescott island model and the Diamond-Mortensen-Pissarides matching model of unemployment. The wage and employment are determined by an auction on each island. All unmatched agents are randomly assigned to another market at the beginning of each period. The number of unmatched jobs is determined by free entry. The model has a dynamic equilibrium solution which is unique and efficient in the limit as the number of workers and job per market become large. When calibrated to the recently observed unemployment and vacancy rates, the model fits the vacancy-unemployment relationship well and implies a log linear relationship between the job finding rate and the vacancy-unemployment relationship. Finally, the model's implied responses to productivity shocks that are much larger than the canonical equilibrium model of unemployment.

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Paper provided by Society for Economic Dynamics in its series 2007 Meeting Papers with number 142.

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Date of creation: 2007
Date of revision:
Handle: RePEc:red:sed007:142
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Society for Economic Dynamics Marina Azzimonti Department of Economics Stonybrook University 10 Nicolls Road Stonybrook NY 11790 USA

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  1. Julien, Benoit & Kennes, John & King, Ian, 2002. "The Mortensen Rule and Efficient Coordination Unemployment," Working Papers 214, Department of Economics, The University of Auckland.
  2. Robert E. Hall & Paul R. Milgrom, 2007. "The Limited Influence of Unemployment on the Wage Bargain," Levine's Bibliography 321307000000000135, UCLA Department of Economics.
  3. 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.
  4. Lucas, Robert Jr. & Prescott, Edward C., 1974. "Equilibrium search and unemployment," Journal of Economic Theory, Elsevier, vol. 7(2), pages 188-209, February.
  5. Dale T. Mortensen, 2005. "More on Unemployment and Vacancy Fluctuations," 2005 Meeting Papers 326, Society for Economic Dynamics.
  6. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, December.
  7. Marcus Hagedorn & Iourii Manovskii, 2007. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies Revisited," IEW - Working Papers 351, Institute for Empirical Research in Economics - University of Zurich.
  8. 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.
  9. Peter A. Diamond, 1982. "Wage Determination and Efficiency in Search Equilibrium," Review of Economic Studies, Oxford University Press, vol. 49(2), pages 217-227.
  10. 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.
  11. 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.
  12. 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.
  13. Dale T. Mortensen, 1988. "The Persistence and Indeterminacy of Unemployment in Search Equilibrium," Discussion Papers 810, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  14. Robert Shimer, 2005. "The Cyclical Behavior of Equilibrium Unemployment and Vacancies," American Economic Review, American Economic Association, vol. 95(1), pages 25-49, March.
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