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Matching information

Author

Listed:
  • Chade, Hector

    () (Department of Economics, Arizona State University)

  • Eeckhout, Jan

    () (Department of Economics, University College London and GSE-UPF)

Abstract

We analyze the optimal allocation of experts to teams, where experts differ in the precision of their information, and study the assortative matching properties of the resulting assignment. The main insight is that in general it is optimal to diversify the composition of the teams, ruling out positive assortative matching. This diversification leads to negative assortative matching when teams consist of pairs of experts. And when experts' signals are conditionally independent, all teams have similar precision. We also show that if we allow experts to join multiple teams, then it is optimal to allocate them equally across all teams. Finally, we analyze how to endogenize the size of the teams, and we extend the model by introducing heterogeneous firms in which the teams operate.

Suggested Citation

  • Chade, Hector & Eeckhout, Jan, 2018. "Matching information," Theoretical Economics, Econometric Society, vol. 13(1), January.
  • Handle: RePEc:the:publsh:1820
    as

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    File URL: http://econtheory.org/ojs/index.php/te/article/viewFile/20180377/19825/588
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    References listed on IDEAS

    as
    1. Damiano, Ettore & Li, Hao & Suen, Wing, 2012. "Competing for talents," Journal of Economic Theory, Elsevier, vol. 147(6), pages 2190-2219.
    2. Börgers, Tilman & Hernando-Veciana, Angel & Krähmer, Daniel, 2013. "When are signals complements or substitutes?," Journal of Economic Theory, Elsevier, vol. 148(1), pages 165-195.
    3. Guler, Bulent & Guvenen, Fatih & Violante, Giovanni L., 2012. "Joint-search theory: New opportunities and new frictions," Journal of Monetary Economics, Elsevier, vol. 59(4), pages 352-369.
    4. Albrecht, James & Anderson, Axel & Vroman, Susan, 2010. "Search by committee," Journal of Economic Theory, Elsevier, vol. 145(4), pages 1386-1407, July.
    5. Ettore Damiano & Hao Li & Wing Suen, 2010. "First In Village Or Second In Rome?," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 51(1), pages 263-288, February.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Assortative matching; teams; diversification; correlation;

    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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