Consistent Approval-Based Multi-Winner Rules

@article{Lackner2018ConsistentAM,
  title={Consistent Approval-Based Multi-Winner Rules},
  author={M. Lackner and P. Skowron},
  journal={Proceedings of the 2018 ACM Conference on Economics and Computation},
  year={2018}
}
  • M. Lackner, P. Skowron
  • Published 2018
  • Computer Science, Economics
  • Proceedings of the 2018 ACM Conference on Economics and Computation
This paper is an axiomatic study of consistent approval-based multi-winner rules, i.e., voting rules that select a fixed-size group of candidates based on approval ballots. We introduce the class of counting rules, provide an axiomatic characterization of this class and, in particular, show that counting rules are consistent. Building upon this result, we axiomatically characterize three important consistent multi-winner rules: Proportional Approval Voting, Multi-Winner Approval Voting and the… Expand
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