Harsanyi’s Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions

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Cahier de recherche ; #2003-05
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Université de Montréal. Département de sciences économiques.
2003
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This paper provides new versions of Harsanyi’s social aggregation theorem that are formulated in terms of prospects rather than lotteries. Strengthening an earlier result, fixed-population ex-ante utilitarianism is characterized in a multi-profile setting with fixed probabilities. In addition, we extend the social aggregation theorem to social-evaluation problems under uncertainty with a variable population and generalize our approach to uncertain alternatives, which consist of compound vectors of probability distributions and prospects.
BLACKORBY, Charles, BOSSERT, Walter et DONALDSON, David, «Harsanyi’s Social Aggregation Theorem : A Multi-Profile Approach with Variable-Population Extensions», Cahier de recherche #2003-05, Département de sciences économiques, Université de Montréal, 2003, 33 pages.
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