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On a preference analysis in a group decision making

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  • Mazurek, Jiří

Abstract

The aim of the paper is to provide several quantitative measures concerning preference structure in a group decision making setting. These measures enable to assess group and individual discord, core preferences and outliers, or to find a consensus, where a consensus is defined as a preference with a minimum sum of distances to other preferences. Also, it is shown that a distance of a consensus to a median preference is upper bounded, which might reduce a search for a consensus significantly.

Suggested Citation

  • Mazurek, Jiří, 2015. "On a preference analysis in a group decision making," MPRA Paper 64998, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:64998
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    References listed on IDEAS

    as
    1. Cook, Wade D., 2006. "Distance-based and ad hoc consensus models in ordinal preference ranking," European Journal of Operational Research, Elsevier, vol. 172(2), pages 369-385, July.
    2. Myerson, Roger B., 2013. "Fundamentals of Social Choice Theory," Quarterly Journal of Political Science, now publishers, vol. 8(3), pages 305-337, June.
    3. Wade D. Cook & Moshe Kress, 1985. "Ordinal Ranking with Intensity of Preference," Management Science, INFORMS, vol. 31(1), pages 26-32, January.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    consensus; decision making; distance; discord; geometric median; group decision making; group discord; preference; preference structure.;
    All these keywords.

    JEL classification:

    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General

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