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Title:Strategic behavior and a notion of ex ante efficiency in a voting model / BEBR No. 544
Author(s):Postlewaite, A.; Schmeidler, David
Contributor(s):University of Illinois at Urbana-Champaign. College of Commerce and Business Administration
Subject(s):Distribution (Probability theory)
Social choice.
Issue Date:Feb 15 197
Publisher:[Urbana, Ill.] : College of Commerce and Business Administration, University of Illinois at Urbana-Champaign,
Series/Report:Faculty working papers ; no. 544
Type:Text
Language:English
Description:Includes bibliographical references (p. 24).
"A person is said to prefer in the stochastic dominance sense one lottery over outcomes over another lotter[y] over outcomes if the probability of his (at least) first choice being selected in the first lottery is greater than or equal to the analogous probability in the second lottery, the probability of his at least second choice being selected in the first lottery is greather than or equal to the analogous probability in the second lottery, and so on, with at least one strict inequality. This (partial) preference relation is used to define straightforwardness of a social choice function that maps profiles of ordinal preferences into lotteries over outcomes. Given a prior probability distribution on profiles this partial preference ordering (taking into account the additional randomness) is used to induce a partial preference ordering over social choice functions for each individual. These are used in turn to define ex ante Pareto undominated (efficient) social choice functions. The main result is that it is impossible for a social choice function to be both ex ante efficient and straightforward. We also extend the result to cardinal preferences and expected utility evaluations."
URI:http://hdl.handle.net/2142/27035
Rights Information:In copyright. Digitized with permission of the University of Illinois Board of Trustees. Contact digicc@library.illinois.edu for information.
Copyright Feb 15 1979 Board of Trustees University of Illinois.
Date Available in IDEALS:2011-09-15
Has Version(s):http://hdl.handle.net/10111/UIUCOCA:strategicbehavio544post
http://www.archive.org/details/strategicbehavio544post
Identifier in Online Catalog:116582
OCLC Identifier:(OCoLC)ocm05341810


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