Strategic manipulability of self-selective social choice rules

Mostapha Diss

No 1302, Working Papers from Groupe d'Analyse et de Théorie Economique Lyon St-Étienne (GATE Lyon St-Étienne), Université de Lyon

Abstract: We provide exact relations giving the probability of individual and coalitional manipulation of three specific social choice functions (Borda rule, Copeland rule, Plurality rule) in three-alternative elections when the notion of self-selectivity is imposed. The results suggest that the Borda rule is more vulnerable to coalitional manipulation than the Copeland rule and the Plurality rule. However, Plurality rule seems to be more vulnerable to individual manipulability when the number of voters is greater than a certain threshold value. In addition, the probability of individual and coalitional manipulation tends to vanish significantly when the notion of selfs-electivity is imposed.

Keywords: Voting rules; Self-selectivity; Stability; Manipulability; Probability (search for similar items in EconPapers)
JEL-codes: D72 (search for similar items in EconPapers)
Date: 2013
New Economics Papers: this item is included in nep-pol
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ftp://ftp.gate.cnrs.fr/RePEc/2013/1302.pdf (application/pdf)

Related works:
Journal Article: Strategic manipulability of self-selective social choice rules (2015)
Working Paper: Strategic manipulability of self-selective social choice rules (2015)
Working Paper: Strategic manipulability of self-­selective social choice rules (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:gat:wpaper:1302

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