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The dynamics of coalition formation - a multilateral bargaining experiment with free timing of moves

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  • Tremewan, James
  • Vanberg, Christoph

Abstract

We experimentally study behavior in a finitely repeated coalition formation game played in real time. Subjects interact in groups of three, bargaining over the distribution of payments which occur at regular time intervals. During a given interval, payments occur if and only if a majority is in agreement about their allocation. Aside from these rules, we purposefully impose little structure on the bargaining process. We investigate the frequency and stability of different types of agreements, as well as transitions between them. The most frequent agreement is an equal split between two players, leaving the third with nothing. The most stable is the three-way equal split. Transitions between agreements are frequent and generally consistent with myopic payoff maximization. We find evidence that both fairness concerns and risk aversion may explain the prevalence of the three-way equal split, and that loyalty can play a role in cementing coalitions.

Suggested Citation

  • Tremewan, James & Vanberg, Christoph, 2015. "The dynamics of coalition formation - a multilateral bargaining experiment with free timing of moves," Working Papers 0582, University of Heidelberg, Department of Economics.
  • Handle: RePEc:awi:wpaper:0582
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    References listed on IDEAS

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    Cited by:

    1. Wagner, Alexander K. & Granic, Dura-Georg, 2017. "Tie-Breaking Power in Committees," Annual Conference 2017 (Vienna): Alternative Structures for Money and Banking 168187, Verein für Socialpolitik / German Economic Association.
    2. Fehrler, Sebastian & Schneider, Maik T., 2019. "Buying Supermajorities in the Lab," IZA Discussion Papers 12477, Institute of Labor Economics (IZA).
    3. Li, Zhi & Zhang, Xin & Xu, Wenchao, 2018. "Water Transactions along a River: A Multilateral Bargaining Experiment with a Veto Player," 2018 Annual Meeting, August 5-7, Washington, D.C. 274048, Agricultural and Applied Economics Association.

    More about this item

    Keywords

    Bargaining; group choice; experiments; coalition formation;

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • C9 - Mathematical and Quantitative Methods - - Design of Experiments
    • D7 - Microeconomics - - Analysis of Collective Decision-Making

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