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The condorcet principle for multiwinner elections: from shortlisting to proportionality

Abstract:

We study two notions of stability in multiwinner elections that are based on the Condorcet criterion. The first notion was introduced by Gehrlein: A committee is stable if each committee member is preferred to each non-member by a (possibly weak) majority of voters. The second notion is called local stability (introduced in this paper): A size-$k$ committee is locally stable in an election with $n$ voters if there is no candidate $c$ and no group of more than $\frac{n}{k+1}$ voters such that ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.24963/ijcai.2017/13

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Department:
Balliol College
Faliszewski, P More by this author
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Department:
Oxford, MPLS, Computer Science
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Department:
Oxford, MPLS, Computer Science
Publisher:
IJCAI Publisher's website
Pages:
84-90
Publication date:
2017
DOI:
Pubs id:
pubs:679662
URN:
uri:f6e09764-dd5e-4485-9b39-4262a4e0d2de
UUID:
uuid:f6e09764-dd5e-4485-9b39-4262a4e0d2de
Local pid:
pubs:679662
ISBN:
978-0-9992411-0-3
Keywords:

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