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Unraveling of Dynamic Sorting

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  • Damiano, Ettore
  • Li, Hao
  • Suen, Wing

Abstract

We consider a two-sided, finite-horizon search and matching model with heterogeneous types and complementarity between types. The quality of the pool of potential partners deteriorates as agents who have found mutually agreeable matches exit the market. When search is costless and all agents participate in each matching round, the market performs a sorting function in that high types of agents have multiple chances to match with their peers. However, this sorting function is lost if agents incur an arbitrarily small cost in order to participate in each round. With a sufficiently rich type space, the market unravels as almost all agents rush to participate in the first round and match and exit with anyone they meet.

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Bibliographic Info

Paper provided by Microeconomics.ca Website in its series Micro Theory Working Papers with number damiano-04-08-11-03-02-02.

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Length: 0 pages
Date of creation: 11 Aug 2004
Date of revision: 11 Aug 2004
Handle: RePEc:ubc:pmicro:damiano-04-08-11-03-02-02

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  1. Shimer, R. & Smith, L., 1998. "Assortive Matching and Search," Papers 98-09, Michigan - Center for Research on Economic & Social Theory.
  2. Hosios, Arthur J, 1990. "On the Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Wiley Blackwell, vol. 57(2), pages 279-98, April.
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  8. An, Mark Yuying, 1998. "Logconcavity versus Logconvexity: A Complete Characterization," Journal of Economic Theory, Elsevier, vol. 80(2), pages 350-369, June.
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  10. Roth, Alvin E & Xing, Xiaolin, 1997. "Turnaround Time and Bottlenecks in Market Clearing: Decentralized Matching in the Market for Clinical Psychologists," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 284-329, April.
  11. Ricardo Lagos, 2000. "An Alternative Approach to Search Frictions," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 851-873, October.
  12. Burdett, Ken & Coles, Melvyn G, 1997. "Marriage and Class," The Quarterly Journal of Economics, MIT Press, vol. 112(1), pages 141-68, February.
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  14. Robert Shimer, 2001. "The Assignment of Workers to Jobs In an Economy with Coordination Frictions," NBER Working Papers 8501, National Bureau of Economic Research, Inc.
  15. Wing Suen, 2000. "A Competitive Theory of Equilibrium and Disequilibrium Unravelling in Two-Sided Matching," RAND Journal of Economics, The RAND Corporation, vol. 31(1), pages 101-120, Spring.
  16. Hao Li & Wing Suen, 2000. "Risk Sharing, Sorting, and Early Contracting," Journal of Political Economy, University of Chicago Press, vol. 108(5), pages 1058-1087, October.
  17. Montgomery, James D, 1991. "Equilibrium Wage Dispersion and Interindustry Wage Differentials," The Quarterly Journal of Economics, MIT Press, vol. 106(1), pages 163-79, February.
  18. Hao Li & Wing Suen, 2004. "Self-Fulfilling Early-Contracting Rush," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 45(1), pages 301-324, 02.
  19. Lones Smith, 1995. "Cross-Sectional Dynamics in a Two-Sided Matching Model," Working papers 95-14, Massachusetts Institute of Technology (MIT), Department of Economics.
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