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Pré-Publication, Document De Travail Année : 2021

Pairwise consensus and Borda rule

Résumé

We say that a preference profile exhibits pairwise consensus around some fixed preference relation, if whenever a preference relation is closer to it than another one, the distance of the profile to the former is not greater than its distance to the latter. We say that a social choice rule satisfies the pairwise consensus property if it selects the top ranked alternative in the preference relation around which there is such a consensus. We show that the Borda rule is the unique scoring rule that satisfies this property.
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Dates et versions

halshs-03110302 , version 1 (14-01-2021)

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  • HAL Id : halshs-03110302 , version 1

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Muhammad Mahajne, Oscar Volij. Pairwise consensus and Borda rule. 2021. ⟨halshs-03110302⟩
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