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Manipulable outcomes within the class of scoring voting rules

Mostapha Diss and Boris Tsvelikhovskiy ()
Additional contact information
Boris Tsvelikhovskiy: Department of Mathematics, Northeastern University, Boston, MA, 02115, USA

No 2020-08, Working Papers from CRESE

Abstract: Coalitional manipulation in voting is considered to be any scenario in which a group of voters decide to misrepresent their vote in order to secure an outcome they all prefer to the first outcome of the election when they vote honestly. The present paper is devoted to study coalitional manipulability within the class of scoring voting rules. For any such rule and any number of alternatives, we introduce a new approach allowing to characterize all the outcomes that can be manipulable by a coalition of voters. This gives us the possibility to find the probability of manipulable outcomes for some well-studied scoring voting rules in the case of small number of alternatives and large electorates under a well-known assumption on individual preference profiles.

JEL-codes: D71 D72 (search for similar items in EconPapers)
Pages: 23 pages
Date: 2020-11
New Economics Papers: this item is included in nep-cdm, nep-des, nep-ore and nep-pol
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Journal Article: Manipulable outcomes within the class of scoring voting rules (2021) Downloads
Working Paper: Manipulable outcomes within the class of scoring voting rules (2020) Downloads
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