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Agenda-Manipulation in Ranking, 1860-2020

Author

Listed:
  • Gregorio Curello
  • Ludvig Sinander

Abstract

We study the susceptibility of committee governance (e.g. by boards of directors), modelled as the collective determination of a ranking of a set of alternatives, to manipulation of the order in which pairs of alternatives are voted on—agenda-manipulation. We exhibit an agenda strategy called insertion sort that allows a self-interested committee chair with no knowledge of how votes will be cast to do as well as if she had complete knowledge. Strategies with this ‘regret-freeness’ property are characterised by their efficiency, and by their avoidance of two intuitive errors. What distinguishes regret-free strategies from each other is how they prioritise among alternatives; insertion sort prioritises lexicographically.

Suggested Citation

  • Gregorio Curello & Ludvig Sinander, 2022. "Agenda-Manipulation in Ranking, 1860-2020," CRC TR 224 Discussion Paper Series crctr224_2022_369, University of Bonn and University of Mannheim, Germany.
    • Handle: RePEc:bon:boncrc:crctr224_2022_369
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    File URL: https://www.crctr224.de/research/discussion-papers/archive/dp369
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    More about this item

    Keywords

    Voting; agenda; committee; ranking; sorting; regret; amendment;
    All these keywords.

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • 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
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty

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