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Communication in bargaining games with unanimity

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  • Marina Agranov

    (California Institute of Technology)

  • Chloe Tergiman

    (The Pennsylvania State University)

Abstract

Communication has been shown to increase proposer power in multilateral bargaining settings that use majority voting rule via competition between non-proposers for a place in the coalition. In this paper we investigate whether communication affects bargaining outcomes and the bargaining process in settings in which the competition effect is not present. We study committees that use unanimity rule to pass allocations. We find that in these settings, communication has the complete opposite effect compared with the majority settings: under unanimity, communication eliminates the inefficiencies that are present in settings without communication and it shifts bargaining outcomes towards egalitarian allocations with no proposer power. Communication logs provide insights regarding the topics subjects discuss and communication content correlates with bargaining outcomes.

Suggested Citation

  • Marina Agranov & Chloe Tergiman, 2019. "Communication in bargaining games with unanimity," Experimental Economics, Springer;Economic Science Association, vol. 22(2), pages 350-368, June.
    • Handle: RePEc:kap:expeco:v:22:y:2019:i:2:d:10.1007_s10683-018-9571-6
    DOI: 10.1007/s10683-018-9571-6
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    7. Luis Miller & Christoph Vanberg, 2013. "Decision costs in legislative bargaining: an experimental analysis," Public Choice, Springer, vol. 155(3), pages 373-394, June.
    8. Agranov, Marina & Tergiman, Chloe, 2014. "Communication in multilateral bargaining," Journal of Public Economics, Elsevier, vol. 118(C), pages 75-85.
    9. Guillaume R. Fréchette & Emanuel Vespa, 2017. "The determinants of voting in multilateral bargaining games," Journal of the Economic Science Association, Springer;Economic Science Association, vol. 3(1), pages 26-43, July.
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    Cited by:

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    2. Nunnari, Salvatore, 2021. "Dynamic legislative bargaining with veto power: Theory and experiments," Games and Economic Behavior, Elsevier, vol. 126(C), pages 186-230.
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    4. Kira Pronin & Jonathan Woon, 2023. "Does allowing private communication lead to less prosocial collective choice?," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 60(4), pages 625-645, May.
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    6. Andrzej Baranski & Ernesto Reuben, 2023. "Competing for Proposal Rights: Theory and Experimental Evidence," Working Papers 20220085, New York University Abu Dhabi, Department of Social Science, revised Mar 2023.
    7. Werner, Peter, 2023. "Wage negotiations and strategic responses to transparency," Journal of Economic Behavior & Organization, Elsevier, vol. 209(C), pages 161-175.
    8. Kim, Chulyoung & Kim, Sang-Hyun & Lee, Jinhyuk & Lee, Joosung, 2022. "Strategic alliances in a veto game: An experimental study," European Journal of Political Economy, Elsevier, vol. 75(C).
    9. Andrzej Baranski & Caleb A. Cox, 2023. "Communication in multilateral bargaining with joint production," Experimental Economics, Springer;Economic Science Association, vol. 26(1), pages 55-77, March.
    10. Jan Sauermann, 2021. "The effects of communication on the occurrence of the tyranny of the majority under voting by veto," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 56(1), pages 1-20, January.
    11. Baranski, Andrzej & Haas, Nicholas, 2023. "The timing of communication and retaliation in bargaining: An experimental study," Journal of Economic Psychology, Elsevier, vol. 96(C).
    12. Merkel, Anna & Vanberg, Christoph, 2023. "Multilateral bargaining with subjective claims under majority vs. unanimity rule: An experiment," Journal of Economic Psychology, Elsevier, vol. 95(C).
    13. Bershadskyy, Dmitri & Sachs, Florian E. & Weimann, Joachim, 2023. "Collective bargaining in a shrinking group game: The role of information and communication," Journal of Economic Behavior & Organization, Elsevier, vol. 209(C), pages 391-410.

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