“Aggregating judgments by the majority method”
Abstract“Judgement aggregation has been receiving increasing attention over recent years. Some typical impossibility results have been proved, about majority and other similar aggregation methods. Those results depend essentially on certain logical constraints borrowed from standard two- valued deductive logic. Nevertheless, the adequacy of these constraints is doubtful. In this paper, we show that by weakening the consistency conditions in a plausible way, such impossibility theorems can be reversed. We also show that the formalism habitually employed in social choice theory may convey a richer setting for analysing this sort of aggregation.”
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Bibliographic InfoPaper provided by Universidad Autónoma de Madrid (Spain), Department of Economic Analysis (Economic Theory and Economic History) in its series Working Papers in Economic Theory with number 2006/10.
Length: 48 pages
Date of creation: Sep 2006
Date of revision:
Contact details of provider:
Postal: Francisco Tomás y Valiente, 5, 28049 Madrid
Web page: http://www.uam.es/departamentos/economicas/analecon/default.html
More information through EDIRC
Judgement aggregation; majority method; logical constraints on judgment aggregation; discursive dilemma;
Find related papers by JEL classification:
- D7 - Microeconomics - - Analysis of Collective Decision-Making
- D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General
- D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
This paper has been announced in the following NEP Reports:
- NEP-ALL-2007-01-14 (All new papers)
- NEP-CDM-2007-01-14 (Collective Decision-Making)
- NEP-DCM-2007-01-14 (Discrete Choice Models)
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