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The Role of Information in Social Welfare Judgements

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  • Kelsey, David

Abstract

This paper criticizes the claim that the Arrow Impossibility Theorem arises from an attempt to make social welfare judgments based on inadequate information. This paper shows how it is possible to modify conventio nal social choice to include those kinds of information the absence o f which is said to be responsible for the Arrow Theorem. However, a v ery similar impossibility theorem can be proved in the new framework. This suggests that there is a need to base welfare judgments on card inal utilities (or some similar kind of information). The author anal yzes the Liberal Paradox in terms of the framework proposed in the pa per. Copyright 1987 by Royal Economic Society.

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  • Kelsey, David, 1987. "The Role of Information in Social Welfare Judgements," Oxford Economic Papers, Oxford University Press, vol. 39(2), pages 301-317, June.
    • Handle: RePEc:oup:oxecpp:v:39:y:1987:i:2:p:301-17
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    Cited by:

    1. Charles Blackorby & Walter Bossert & David Donaldson, 2006. "Anonymous Single-profile Welfarism," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 27(2), pages 279-287, October.
    2. Susumu Cato, 2014. "Common preference, non-consequential features, and collective decision making," Review of Economic Design, Springer;Society for Economic Design, vol. 18(4), pages 265-287, December.
    3. Charles Blackorby & Walter Bossert & David Donaldson, 2007. "Intertemporal Social Evaluation," International Economic Association Series, in: John Roemer & Kotaro Suzumura (ed.), Intergenerational Equity and Sustainability, chapter 9, pages 131-154, Palgrave Macmillan.
    4. A. Baujard, 2006. "From moral welfarism to technical non-welfarism : A step back to Bentham’s felicific calculus of its members," Economics Working Paper Archive (University of Rennes & University of Caen) 200606, Center for Research in Economics and Management (CREM), University of Rennes, University of Caen and CNRS.
    5. Charles Blackorby & Walter Bossert & David Donaldson, 2005. "Multi_profile welfarism: a generalization," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 25(1), pages 227-228, October.
    6. d'Aspremont, Claude & Gevers, Louis, 2002. "Social welfare functionals and interpersonal comparability," Handbook of Social Choice and Welfare, in: K. J. Arrow & A. K. Sen & K. Suzumura (ed.), Handbook of Social Choice and Welfare, edition 1, volume 1, chapter 10, pages 459-541, Elsevier.
    7. BLACKORBY, Charles & BOSSERT, Walter & DONALDSON, David, 2002. "In Defense of Welfarism," Cahiers de recherche 2002-02, Universite de Montreal, Departement de sciences economiques.

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