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Pouvoir mesuré et capacité d'un électeur à influencer le résultat du vote

The measured power and the elector’s capacity of influencing the voting outcome
Lawrence Diffo Lambo, Bertrand Tchantcho and Joël Moulen

Abstracts

We study the power relation ≥ P. This binary relation on the set of voters was used in [Diffo Lambo, Moulen, 2000] to show that the Taylor’s influence relation ≥ T appraises the voter’s capacity of influencing the voting outcome when individual preference relations are linear orders, if the classical dominance stands for the social outcome and the Kendal’s distance is the means of measuring a voter’s dissatisfaction. In this paper, the definition of ≥P is extended in two directions: on the one hand, dissatisfaction is measured by any distance (apart from the Kendal’s distance), and on the other hand, the domain of individual preference relations has no restriction (it may contain complete weak orders apart from complete linear orders). The above mentioned result on ≥ T now being at times wrong, we come out with a sufficient condition under which ≥ T actually appraises the voter’s capacity of influencing the voting outcome. Moreover we succeed, thanks to this highly unifying condition, in generalizing all the other results of [Diffo Lambo, Moulen, 2000].

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References

Electronic reference

Lawrence Diffo Lambo, Bertrand Tchantcho and Joël Moulen, “Pouvoir mesuré et capacité d'un électeur à influencer le résultat du vote”Mathématiques et sciences humaines [Online], 166 | Été 2004, Online since 05 March 2006, connection on 11 September 2026. URL: http://journals.openedition.org/msh/2896; DOI: https://doi.org/10.4000/msh.2896

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Lawrence Diffo Lambo

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Bertrand Tchantcho

Joël Moulen

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