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Assortative matching through signals

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  • Poeschel, Friedrich
Abstract
When agents do not know where to find a match, they search. However, agents could direct their search to agents who strategically choose a certain signal. Introducing cheap talk to a model of sequential search with bargaining, we find that signals will be truthful if there are mild complementarities in match production: supermodularity of the match production function is a necessary and sufficient condition. It simultaneously ensures perfect positive assortative matching, so that single-crossing property and sorting condition coincide. As the information from signals allows agents to avoid all unnecessary search, this search model exhibits nearly unconstrained efficiency.

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  • Poeschel, Friedrich, 2013. "Assortative matching through signals," SFB 649 Discussion Papers 2013-044, Humboldt University Berlin, Collaborative Research Center 649: Economic Risk.
    • Handle: RePEc:zbw:sfb649:sfb649dp2013-044
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    1. Assortative matching through signals
      by Christian Zimmermann in NEP-DGE blog on 2013-01-20 05:06:20

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    Cited by:

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    2. Dauth, Wolfgang & Südekum, Jens, 2012. "Profiles of local growth and industrial change : facts and an explanation," IAB-Discussion Paper 201220, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany].
    3. Michael Stops, 2014. "Job matching across occupational labour markets," Oxford Economic Papers, Oxford University Press, vol. 66(4), pages 940-958.
    4. Uwe Blien & Susanne Messmann & Mark Trappmann, 2012. "Do reservation wages react to regional unemployment?," ERSA conference papers ersa12p662, European Regional Science Association.
    5. Antoni, Manfred & Heineck, Guido, 2012. "Do literacy and numeracy pay off? : on the relationship between basic skills and earnings," IAB-Discussion Paper 201221, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany].
    6. Carlos Canon, 2011. "Matching & Information Provision by One-Sided and Two-Sided Platforms," Working Papers 11-20, NET Institute, revised Oct 2011.
    7. Scholz, Theresa, 2012. "Employers' selection behavior during short-time work," IAB-Discussion Paper 201218, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany].
    8. Münich, Daniel & Srholec, Martin & Moritz, Michael & Schäffler, Johannes, 2012. "Mothers and Daughters: Heterogeneity of German direct investments in the Czech Republic. Evidence from the IAB-ReLOC survey," IAB-Discussion Paper 201217, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany].

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    More about this item

    Keywords

    assortative matching; sorting; search; signals; information;
    All these keywords.

    JEL classification:

    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory

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