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Do we agree? Measuring the cohesiveness of preferences

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  • Jorge Alcalde-Unzu
  • Marc Vorsatz

Abstract

In this paper, we suggest new ways of how to measure the similarity of preferences in a group of individuals. For simplicity, we refer to this as the cohesiveness (of preferences). We propose axioms a cohesiveness measure should satisfy and show that these properties fully characterize a family of measures. According to it, the similarities between each pair of objects in a preference profile -calculated as the proportion margin by which one objects wins against the other in a pairwise comparison- are aggregated by a weighted mean. The weight of each pair of objects depends on their importance at the social level

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  • Jorge Alcalde-Unzu & Marc Vorsatz, 2010. "Do we agree? Measuring the cohesiveness of preferences," Working Papers 2010-23, FEDEA.
    • Handle: RePEc:fda:fdaddt:2010-23
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    Cited by:

    1. José Carlos R., Alcantud & Rocío, de Andrés & José Manuel, Cascón, 2011. "Measurement of consensus with a reference," MPRA Paper 32155, University Library of Munich, Germany.
    2. Alexander Karpov, 2017. "Preference Diversity Orderings," Group Decision and Negotiation, Springer, vol. 26(4), pages 753-774, July.
    3. J.C.R. Alcantud & R. de Andrés Calle & J.M. Cascón, 2013. "Consensus and the Act of Voting," Studies in Microeconomics, , vol. 1(1), pages 1-22, June.

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