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Consensus reaching in committees

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  • Agnieszka Rusinowska

    ()
    (GATE - Groupe d'analyse et de théorie économique - CNRS : UMR5824 - Université Lumière - Lyon II - Ecole Normale Supérieure Lettres et Sciences Humaines)

  • Patrik Eklund

    (Department of Computing Science - Umea University)

  • Harrie De Swart

    (Faculteit Wijsbegeerte-Logica en taalanalyse - Universiteit van Tilburg)

Abstract

In this paper, we apply a consensus model to decision-making in committees that have to choose one or more alternatives from a set of alternatives. The model does not use a voting rule nor a set of winning coalitions. Every decision maker evaluates each alternative with respect to given criteria. The criteria may be of unequal importance to a decision maker. Decision makers may be advised by a chairman to adjust their preferences, i.e., to change their evaluation of some alternative(s) or/and the importance of the criteria, in order to obtain a better consensus. The consensus result should satisfy constraints concerning the consensus degree and the ma jority degree. A simple example is presented.

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Bibliographic Info

Paper provided by HAL in its series Post-Print with number halshs-00159838.

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Date of creation: 2007
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Publication status: Published, European Journal of Operational Research, 2007, 178, 1, 185-193
Handle: RePEc:hal:journl:halshs-00159838

Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00159838/en/
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Keywords: constraints satisfaction; consensus; committees;

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  1. Brams, Steven J. & Fishburn, Peter C., 2002. "Voting procedures," Handbook of Social Choice and Welfare, Elsevier, in: K. J. Arrow & A. K. Sen & K. Suzumura (ed.), Handbook of Social Choice and Welfare, edition 1, volume 1, chapter 4, pages 173-236 Elsevier.
  2. Yoram Wind & Thomas L. Saaty, 1980. "Marketing Applications of the Analytic Hierarchy Process," Management Science, INFORMS, INFORMS, vol. 26(7), pages 641-658, July.
  3. Nurmi, Hannu, 2005. "Aggregation problems in policy evaluation: an overview," European Journal of Political Economy, Elsevier, vol. 21(2), pages 287-300, June.
  4. Steven J. Brams & Michael A. Jones & D.Marc Kilgour, 2003. "Forming Stable Coalitions: The Process Matters," Working Papers 2003.97, Fondazione Eni Enrico Mattei.
  5. Steven Brams & D. Kilgour & M. Sanver, 2007. "A minimax procedure for electing committees," Public Choice, Springer, Springer, vol. 132(3), pages 401-420, September.
  6. Carlsson, Christer & Ehrenberg, Dieter & Eklund, Patrik & Fedrizzi, Mario & Gustafsson, Patrik & Lindholm, Paul & Merkuryeva, Galina & Riissanen, Tony & G.S. Ventre, Aldo, 1992. "Consensus in distributed soft environments," European Journal of Operational Research, Elsevier, Elsevier, vol. 61(1-2), pages 165-185, August.
  7. Roubens, Marc & Rusinowska, Agnieszka & de Swart, Harrie, 2006. "Using MACBETH to determine utilities of governments to parties in coalition formation," European Journal of Operational Research, Elsevier, Elsevier, vol. 172(2), pages 588-603, July.
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Cited by:
  1. Fernandez, Eduardo & Olmedo, Rafael, 2013. "An outranking-based general approach to solving group multi-objective optimization problems," European Journal of Operational Research, Elsevier, Elsevier, vol. 225(3), pages 497-506.

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