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Strategy-proof partitioning

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  • Mishra, Debasis
  • Roy, Souvik

Abstract

We consider the problem of choosing a partition of a set of objects by a set of agents. The private information of each agent is a strict ordering over the set of partitions of the objects. A social choice function chooses a partition given the reported preferences of the agents. We impose a natural restriction on the allowable set of strict orderings over the set of partitions, which we call an intermediate domain. Our main result is a complete characterization of strategy-proof and tops-only social choice functions in the intermediate domain. We also show that a social choice function is strategy-proof and unanimous if and only if it is a meet social choice function.

Suggested Citation

  • Mishra, Debasis & Roy, Souvik, 2012. "Strategy-proof partitioning," Games and Economic Behavior, Elsevier, vol. 76(1), pages 285-300.
  • Handle: RePEc:eee:gamebe:v:76:y:2012:i:1:p:285-300
    DOI: 10.1016/j.geb.2012.05.004
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    More about this item

    Keywords

    Strategy-proof partitioning; Meet social choice function; Intermediate domain;

    JEL classification:

    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations

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