منابع مشابه
The Condorcet Jur(ies) Theorem
Two issues can be decided in a single election by a single committee or in two separate elections with separate committees, or two defendants can be tried together in a joint trial or tried separately in severed trials. If the issues are not separable, then the multiplicity of issues introduces new strategic considerations. As in the standard Condorcet Jury Theorem, we study these formats for s...
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Consider a committee of experts dealing with dichotomous choice problem, where the correctness probabilities are all greater than 1 2 . We prove that, if a random subcommittee of odd size m is selected randomly, and entrusted to make a decision by majority vote, its probability of deciding correctly increases with m. This includes a result of Ben-Yashar and Paroush (2000), who proved that a ran...
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We provide an extension of the Condorcet Theorem. Our model includes both the Nitzan-Paroush framework of “unequal competencies” and Ladha’s model of “correlated voting by the jurors”. We assume that the jurors behave “informatively”, that is, they do not make a strategic use of their information in voting. Formally, we consider a sequence of binary random variables X = (X1,X2, ...,Xn, ...) wit...
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We consider a committee, board, group or jury that faces a binary collective decision under uncertainty. Each member holds some private information and all members agree about what decision should be taken in each state of nature. However, the state is unknown and members may differ in their valuations of the two types of mistake that may occur, and/or in the prior they hold about the true stat...
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Classical debates, recently rejoined, rage over the question of whether we want our political outcomes to be right or whether we want them to be fair. Democracy can be (and has been) justified in either way, or both at once. For epistemic democrats, the aim of democracy is to "track the truth." 1 For them, democracy is more desirable than alternative forms of decision-making because, and insofa...
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ژورنال
عنوان ژورنال: Journal of Economic Theory
سال: 2014
ISSN: 0022-0531
DOI: 10.1016/j.jet.2013.12.009