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Ballot Richness and Information Aggregation

Author

Listed:
  • Bouton, Laurent
  • Llorente-Saguer, Aniol
  • Macé, Antonin
  • Xefteris, Dimitrios

Abstract

We study voting when voters have different information quality. In such environments, voting rules with richer ballot spaces can help voters better aggregate information by endogenously allocating more decision power to better-informed members. Using laboratory experiments, we compare two polar examples of voting rules in terms of ballot richness: majority voting (MV) and continuous voting (CV). Our results show that CV outperforms MV on average, although the difference is smaller than predicted, and that CV has more support than MV in treatments where it is expected to perform better. We also find that voters with intermediate information overestimate the importance of their votes under CV.

Suggested Citation

  • Bouton, Laurent & Llorente-Saguer, Aniol & Macé, Antonin & Xefteris, Dimitrios, 2025. "Ballot Richness and Information Aggregation," CEPR Discussion Papers 20173, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:20173
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    File URL: https://cepr.org/publications/DP20173
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    More about this item

    JEL classification:

    • P00 - Political Economy and Comparative Economic Systems - - General - - - General
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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