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Representing collective reasons for group decisions: The judgment aggregation problem revisited

Author

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  • Andrew Knops

    (Department of Political Science and International Studies, University of Birmingham, UK, a.knops@bham.ac.uk)

Abstract

This article argues that the discursive dilemma and the judgement aggregation which causes it are based on a misconception of what it means for a group to give reasons for a democratic decision. Judgement aggregation analyses fail to distinguish between the procedure for determining such a decision, which should involve a vote of all group members, and the process for determining the reasons for such a decision, which should only take account of the views of the members that supported that decision. On the basis of this improved interpretation, the article advances a method for representing reasons for group decisions that is both democratic and rational, thus avoiding the choice between these apparently incompatible goals suggested by the discursive dilemma.

Suggested Citation

  • Andrew Knops, 2011. "Representing collective reasons for group decisions: The judgment aggregation problem revisited," Journal of Theoretical Politics, , vol. 23(4), pages 448-462, October.
  • Handle: RePEc:sae:jothpo:v:23:y:2011:i:4:p:448-462
    DOI: 10.1177/0951629811416321
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    References listed on IDEAS

    as
    1. Franz Dietrich, 2007. "A generalised model of judgment aggregation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 28(4), pages 529-565, June.
    2. List, Christian & Pettit, Philip, 2002. "Aggregating Sets of Judgments: An Impossibility Result," Economics and Philosophy, Cambridge University Press, vol. 18(1), pages 89-110, April.
    3. Anand, Paul & Pattanaik, Prasanta & Puppe, Clemens (ed.), 2009. "The Handbook of Rational and Social Choice," OUP Catalogue, Oxford University Press, number 9780199290420.
    4. Kornhauser, Lewis A, 1992. "Modeling Collegial Courts. II. Legal Doctrine," The Journal of Law, Economics, and Organization, Oxford University Press, vol. 8(3), pages 441-470, October.
    5. List, Christian, 2010. "The theory of judgment aggregation: an introductory review," LSE Research Online Documents on Economics 27596, London School of Economics and Political Science, LSE Library.
    Full references (including those not matched with items on IDEAS)

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