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Efficient and strategy-proof voting over connected coalitions: A possibility result

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  • Block, Veronica

Abstract

We consider preferences over connected coalitions that are single-peaked with respect to an appropriate betweenness relation. We show that on this preference domain there exist non-dictatorial, strategy-proof and efficient social choice functions.

Suggested Citation

  • Block, Veronica, 2010. "Efficient and strategy-proof voting over connected coalitions: A possibility result," Economics Letters, Elsevier, vol. 108(1), pages 1-3, July.
    • Handle: RePEc:eee:ecolet:v:108:y:2010:i:1:p:1-3
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    References listed on IDEAS

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    1. Satterthwaite, Mark Allen, 1975. "Strategy-proofness and Arrow's conditions: Existence and correspondence theorems for voting procedures and social welfare functions," Journal of Economic Theory, Elsevier, vol. 10(2), pages 187-217, April.
    2. Barbera, Salvador & Sonnenschein, Hugo & Zhou, Lin, 1991. "Voting by Committees," Econometrica, Econometric Society, vol. 59(3), pages 595-609, May.
    3. Nehring, Klaus & Puppe, Clemens, 2007. "Efficient and strategy-proof voting rules: A characterization," Games and Economic Behavior, Elsevier, vol. 59(1), pages 132-153, April.
    4. Nehring, Klaus & Puppe, Clemens, 2007. "The structure of strategy-proof social choice -- Part I: General characterization and possibility results on median spaces," Journal of Economic Theory, Elsevier, vol. 135(1), pages 269-305, July.
    5. H. Moulin, 1980. "On strategy-proofness and single peakedness," Public Choice, Springer, vol. 35(4), pages 437-455, January.
    6. Gibbard, Allan, 1973. "Manipulation of Voting Schemes: A General Result," Econometrica, Econometric Society, vol. 41(4), pages 587-601, July.
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    Cited by:

    1. Tobias Rachidi, 2020. "Optimal Voting Mechanisms on Generalized Single-Peaked Domains," CRC TR 224 Discussion Paper Series crctr224_2020_214, University of Bonn and University of Mannheim, Germany.

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