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A Welfarist Proof of Arrow's Theorem

  • Charles BLACKORBY

    (University of British Columbia)


    (University of British Columbia)

  • John A. WEYMARK

    (University of British Columbia)

This article presents a proof of Arrow's Theorem which highlights the theorem's relationship to welfarism and which emphasizes its underlying geometric structure. In addition, this method of proof is adapted to provide a proof of a single-preference-profile version of Arrow's Theorem. The relationship between Arrovian social choice theory and Bergson-Samuelson welfare economics is also considered.

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Paper provided by Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES) in its series Discussion Papers (REL - Recherches Economiques de Louvain) with number 1990031.

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Length: 28
Date of creation: 01 Sep 1990
Date of revision:
Handle: RePEc:ctl:louvre:1990031
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