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On the Segmentation of Markets

  • Nicolas L. Jacquet

    (SMU)

  • Serene Tan

This paper endogenizes the market structure of an economy with heterogeneous agents who want to form bilateral matches in the presence of search frictions and when utility is non-transferable. We depart from standard matching models where all agents are assumed to be in a unique meeting place by assuming the existence of infinitely many meeting places and allowing each agent to choose which meeting place to be in. The market is thus allowed to be segmented into dierent meeting places, and agents not only get to choose who to match with, but also who they meet with. We show that in equilibrium all market structures feature perfect segmentation where agents match with the rst person they meet. All these market structures have the same matching pattern, implying that the value of search to each agent is the same. Although perfect assortative matching cannot be obtained in equilibrium, the degree of assortativeness is nevertheless greater than in standard models.

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File URL: http://www.eaber.org/node/22449
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Paper provided by East Asian Bureau of Economic Research in its series Labor Economics Working Papers with number 22449.

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Date of creation: Jan 2007
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Handle: RePEc:eab:laborw:22449
Contact details of provider: Postal: JG Crawford Building #13, Asia Pacific School of Economics and Government, Australian National University, ACT 0200
Web page: http://www.eaber.org

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  1. 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.
  2. Kevin Lang & Michael Manove & William T. Dickens, 2005. "Racial Discrimination in Labor Markets with Posted Wage Offers," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-145, Boston University - Department of Economics.
  3. Davidson, Carl & Martin, Lawrence & Matusz, Steven, 1988. "The Structure of Simple General Equilibrium Models with Frictional Unemployment," Journal of Political Economy, University of Chicago Press, vol. 96(6), pages 1267-93, December.
  4. Coen N. Teulings & Pieter A. Gautier, 2004. "The Right Man for the Job," Review of Economic Studies, Wiley Blackwell, vol. 71(2), pages 553-580, 04.
  5. Eeckhout, Jan, 1999. "Bilateral Search and Vertical Heterogeneity," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 869-87, November.
  6. Hosios, Arthur J, 1990. "Factor Market Search and the Structure of Simple General Equilibrium Models," Journal of Political Economy, University of Chicago Press, vol. 98(2), pages 325-55, April.
  7. Damiano, Ettore & Li, Hao, 2005. "Price Discrimination and Efficient Matching," Microeconomics.ca working papers damiano-05-03-21-12-21-58, Vancouver School of Economics, revised 22 Mar 2005.
  8. Gautam Bose, 2003. "Endogenous market segmentation with heterogeneous agents," Economic Theory, Springer, vol. 22(2), pages 457-467, 09.
  9. Uren Lawrence, 2006. "The Allocation of Labor and Endogenous Search Decisions," The B.E. Journal of Macroeconomics, De Gruyter, vol. 6(1), pages 1-31, June.
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