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On the Segmentation of Markets

  • Nicolas L. Jacquet

    ()

    (School of Economics, Singapore Management University)

  • Serene Tan

    ()

    (Department of Economics, National University of Singapore)

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 in?nitely many meeting places and allowing each agent to choose which meeting place to be in. The market is thus allowed to be segmented into di¤erent 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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Paper provided by Singapore Management University, School of Economics in its series Working Papers with number 18-2007.

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Length: 25 pages
Date of creation: Apr 2007
Date of revision:
Publication status: Published in SMU Economics and Statistics Working Paper Series
Handle: RePEc:siu:wpaper:18-2007
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  1. Gautam Bose, 2003. "Endogenous market segmentation with heterogeneous agents," Economic Theory, Springer, vol. 22(2), pages 457-467, 09.
  2. Pieter A. Gautier, 2001. "The Right Man for the Job," CESifo Working Paper Series 540, CESifo Group Munich.
  3. Kevin Lang & Michael Manove & William T. Dickens, 2005. "Racial Discrimination in Labor Markets with Posted Wage Offers," American Economic Review, American Economic Association, vol. 95(4), pages 1327-1340, September.
  4. Jan Eeckhout, 1996. "Bilateral Search and Vertical Heterogeneity," STICERD - Theoretical Economics Paper Series /1996/315, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
  5. Ettore Damiano & Hao Li, 2007. "Price discrimination and efficient matching," Economic Theory, Springer, vol. 30(2), pages 243-263, February.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
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