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Storable Votes and Agenda Order Control. Theory and Experiments

Author

Listed:
  • Alessandra Casella

    (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique, Economics Department, Columbia University - Columbia University [New York])

Abstract
The paper studies a voting scheme where members of a committee voting sequentially on a known series of binary proposals are each granted a single extra bonus vote to cast as desired - a streamlined version of Storable Votes. When the order of the agenda is exogenous, a simple sufficient condition guarantees the existence of welfare gains, relative to simple majority voting. But if one of the voters controls the order of the agenda, does the scheme become less efficient? The endogeneity of the agenda gives rise to a cheap talk game, where the chair can use the order of proposals to transmit information about his priorities. The game has multiple equilibria, differing systematically in the precision of the information transmitted. The chair can indeed benefit, but the aggregate welfare effects are of ambiguous sign and very small in all parameterizations studied. The theoretical conclusions are tested through laboratory experiments. Subjects have difficulty identifying the informative strategies, and tend to cast the bonus vote on their highest intensity proposal. As a result, realized payoffs are effectively identical to what they would be if the agenda were exogenous. The bonus vote matters; the chair's control of the agenda does not.

Suggested Citation

  • Alessandra Casella, 2008. "Storable Votes and Agenda Order Control. Theory and Experiments," Working Papers halshs-00349292, HAL.
    • Handle: RePEc:hal:wpaper:halshs-00349292
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00349292
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    References listed on IDEAS

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    1. Casella, Alessandra & Gelman, Andrew & Palfrey, Thomas R., 2006. "An experimental study of storable votes," Games and Economic Behavior, Elsevier, vol. 57(1), pages 123-154, October.
    2. Alessandra Casella & Thomas Palfrey & Raymond Riezman, 2013. "Minorities and Storable Votes," World Scientific Book Chapters, in: Raymond Riezman (ed.), International Trade Agreements and Political Economy, chapter 15, pages 247-282, World Scientific Publishing Co. Pte. Ltd..
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    Cited by:

    1. Casella, Alessandra, 2011. "Agenda control as a cheap talk game: Theory and experiments with Storable Votes," Games and Economic Behavior, Elsevier, vol. 72(1), pages 46-76, May.

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    More about this item

    Keywords

    Storable Votes; Agenda Power; Cheap Talk; Experiments;
    All these keywords.

    JEL classification:

    • C9 - Mathematical and Quantitative Methods - - Design of Experiments
    • D02 - Microeconomics - - General - - - Institutions: Design, Formation, Operations, and Impact
    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty

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