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Refining the Information Function Method: Instrument and Application

Author

Listed:
  • Dan Qin

    (Waseda University, Graduate School of Economics, Tokyo, Japan)

Abstract

Information function method is a powerful tool for analyzing the information requirements of social welfare functions. However, the original information function provides only a coarse description of information structure. In this article, we propose a refinement of this method by changing the range of the information function. We also analyze the role of partially relevant information in preference aggregation through an application of the refined version of the information function method.

Suggested Citation

  • Dan Qin, 2014. "Refining the Information Function Method: Instrument and Application," Czech Economic Review, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, vol. 8(2), pages 84-101, October.
    • Handle: RePEc:fau:aucocz:au2014_084
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    References listed on IDEAS

    as
    1. Fleurbaey, Marc & Suzumura, Kotaro & Tadenuma, Koichi, 2005. "Arrovian aggregation in economic environments: how much should we know about indifference surfaces?," Journal of Economic Theory, Elsevier, vol. 124(1), pages 22-44, September.
    2. Donald Campbell & Jerry Kelly, 2007. "Social welfare functions that satisfy Pareto, anonymity, and neutrality, but not independence of irrelevant alternatives," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 29(1), pages 69-82, July.
    3. Marc Fleurbaey & Kotaro Suzumura & Koichi Tadenuma, 2005. "The informational basis of the theory of fair allocation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 24(2), pages 311-341, April.
    4. Robert Powers, 2005. "Positional information and preference aggregation," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 24(3), pages 575-583, June.
    5. Donald Campbell & Jerry Kelly, 2007. "Pareto, anonymity, and independence: four alternatives," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 29(1), pages 83-104, July.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Preference aggregation; independence condition; information function; partially relevant information;
    All these keywords.

    JEL classification:

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

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