Blackorby, Charles, 1937-, Bossert, Walter and Donaldson, David. (2007) Variable-population extensions of social aggregation theorems. Social Choice and Welfare, Vol.28 (No.4). pp. 567-589. ISSN 0176-1714

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Abstract

This paper examines principles for social evaluation under uncertainty in environments with a variable population. In contrast to most of the literature, we employ a model that is formulated in terms of prospects rather than lotteries. Starting from a fixed-population result, a multi-profile variant of Harsanyi's social aggregation theorem is extended to a variable-population environment. Two nested classes of population principles under uncertainty are characterized. Each is a variable-population extension of ex-ante utilitarianism. The results continue to apply if the probability distribution may vary, as long as probabilities are objectively known or agreed upon by all individuals and society.

Item Type:	Journal Article
Subjects:	H Social Sciences > HC Economic History and Conditions H Social Sciences
Divisions:	Faculty of Social Sciences > Economics
Journal or Publication Title:	Social Choice and Welfare
Publisher:	Springer
ISSN:	0176-1714
Date:	June 2007
Volume:	Vol.28
Number:	No.4
Number of Pages:	23
Page Range:	pp. 567-589
Identification Number:	10.1007/s00355-006-0188-x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
URI:	http://wrap.warwick.ac.uk/id/eprint/32005

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