STRATEGY-PROOF JUDGMENT AGGREGATION
نویسندگان
چکیده
منابع مشابه
Strategy-proof Judgment Aggregation
Which rules for aggregating judgments on logically connected propositions are manipulable and which not? In this paper, we introduce a preference-free concept of non-manipulability and contrast it with a preference-theoretic concept of strategy-proofness. We characterize all non-manipulable and all strategy-proof judgment aggregation rules and prove an impossibility theorem similar to the Gibba...
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An aggregation rule maps each profile of individual strict preference orderings over a set of alternatives into a social ordering over that set. We call such a rule strategyproof if misreporting one’s preference never produces a different social ordering that is between the original ordering and one’s own preference. After describing two examples of manipulable rules, we study in some detail th...
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Judgment aggregation theory generalizes social choice theory by having the aggregation rule bear on judgments of all kinds instead of barely judgments of preference. The paper briefly sums it up, privileging the variant that formalizes judgment by a logical syntax. The theory derives from Kornhauser and Sager’s doctrinal paradox and Pettit’s discursive dilemma, which List and Pettit turned into...
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Parties who cause harm to others may sometimes turn out to be ‘judgment proof,’ that is, unable to pay fully the amount for which they have been found legally liable.’ This possibility is an important and realistic one. Certainly individuals may readily be imagined to cause personal injury or property damage resulting in judgments that exceed their assets plus any liability insurance coverage; ...
متن کاملJudgment aggregation under constraints
In solving judgment aggregation problems, groups often face constraints. Many decision problems can be modelled in terms the acceptance or rejection of certain propositions in a language, and constraints as propositions that the decisions should be consistent with. For example, court judgments in breach-of-contract cases should be consistent with the constraint that action and obligation are ne...
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ژورنال
عنوان ژورنال: Economics and Philosophy
سال: 2007
ISSN: 0266-2671,1474-0028
DOI: 10.1017/s0266267107001496