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Small numbers matching markets: Unstable and inefficient due to over-competition?

Author

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  • Otto, Philipp E.
  • Bolle, Friedel

Abstract

The extant literature on matching markets assumes ordinal preferences for matches, while bargaining within matches is mostly excluded. Central for this paper, however, is the bargaining over joint profits from potential matches. We investigate, both theoretically and experimentally, a seemingly simple allocation task in a 2x2 market with repeated negotiations. More than 75% of the experimental allocations are unstable, and 40% of the matches are inefficient (in cases where inefficiency is possible). By defining the novel concept 'altruistic core', we can explain the occurrence of inefficient matches as well as the significant behavioral differences among our six treatments.

Suggested Citation

  • Otto, Philipp E. & Bolle, Friedel, 2009. "Small numbers matching markets: Unstable and inefficient due to over-competition?," Discussion Papers 270, European University Viadrina Frankfurt (Oder), Department of Business Administration and Economics.
  • Handle: RePEc:zbw:euvwdp:270
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    References listed on IDEAS

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    6. Fujita, Shigeru & Ramey, Garey, 2007. "Job matching and propagation," Journal of Economic Dynamics and Control, Elsevier, vol. 31(11), pages 3671-3698, November.
    7. Ehlers, Lars, 2007. "Von Neumann-Morgenstern stable sets in matching problems," Journal of Economic Theory, Elsevier, vol. 134(1), pages 537-547, May.
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    9. Huck, Steffen & Normann, Hans-Theo & Oechssler, Jorg, 2004. "Two are few and four are many: number effects in experimental oligopolies," Journal of Economic Behavior & Organization, Elsevier, vol. 53(4), pages 435-446, April.
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