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The Swing Voter's Curse in the Laboratory

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  • Battaglini, Marco
  • Palfrey, Thomas R
  • Morton, Rebecca

Abstract

This paper reports the first laboratory study of the swing voter?s curse and provides insights on the larger theoretical and empirical literature on 'pivotal voter' models. Our experiment controls for different information levels of voters, as well as the size of the electorate, the distribution of preferences, and other theoretically relevant parameters. The design varies the share of partisan voters and the prior belief about a payoff relevant state of the world. Our results support the equilibrium predictions of the Feddersen-Pesendorfer model, and clearly reject the notion that voters in the laboratory use naïve decision-theoretic strategies. The voters act as if they are aware of the swing voter?s curse and adjust their behaviour to compensate. While the compensation is not complete and there is some heterogeneity in individual behaviour, we find that aggregate outcomes, such as efficiency, turnout, and margin of victory, closely track the theoretical predictions.

Suggested Citation

  • Battaglini, Marco & Palfrey, Thomas R & Morton, Rebecca, 2006. "The Swing Voter's Curse in the Laboratory," CEPR Discussion Papers 5458, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:5458
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    References listed on IDEAS

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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Swing voter's curse; Voting behaviour; Information aggregation;
    All these keywords.

    JEL classification:

    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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