Search Results - subject:"Judgment aggregation"

Claussen, Carl Andreas; Øistein Røisland. - Norges Bank - 2007

The typical judgment aggregation problem in economics and other fields is the following: A group of people has to judge …

Persistent link: https://www.econbiz.de/10005649739

Group deliberation and the transformation ofjudgments: an impossibility result

List, Christian - Suntory and Toyota International Centres for Economics … - 2007

While a large social-choice-theoretic literature discusses the aggregation ofindividual judgments into collective ones, there is relatively little formalwork on the transformation of individual judgments in group deliberation. Idevelop a model of judgment transformation and prove a...

Persistent link: https://www.econbiz.de/10005796073

Aggregation theory and the relevance of some issues to others

Dietrich, Franz - Volkswirtschaftliche Fakultät, … - 2006

simultaneously generalizes Arrow's Theorem (in its general and indifference-free versions) and the Arrow-type theorem in judgment … aggregation. …

Persistent link: https://www.econbiz.de/10011212220

“Aggregating judgments by the majority method”

García-Bermejo, Juan Carlos - Departamento de Análisis Económico: Teoría … - 2006

“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...

Persistent link: https://www.econbiz.de/10005600513

A GENERALIZED MODEL OF JUDGMENT AND PREFERENCE AGGREGATION

Beg, Ismat; Rashid, Tabasam - In: Fuzzy Economic Review XVIII (2013) 1, pp. 9-27

Some basic notions of fuzzy logic for trapezoidal fuzzy numbers are extended. Purpose of these extensions is to give a generalized model of judgment and preference aggregation by using trapezoidal fuzzy numbers. Examples are given to illustrate the proposed technique to optimize the problem by...

Persistent link: https://www.econbiz.de/10010816292

Many-valued judgment aggregation: Characterizing the possibility/impossibility boundary

Duddy, Conal; Piggins, Ashley - In: Journal of Economic Theory 148 (2013) 2, pp. 793-805

A model of judgment aggregation is presented in which judgments on propositions are not binary but come in degrees. The …

Persistent link: https://www.econbiz.de/10011042972

A generalized model of judgment and preference aggregation

Beg, Ismat; Rashid, Tabasam - In: Fuzzy economic review : the review of the International … 18 (2013) 1, pp. 9-27

Persistent link: https://www.econbiz.de/10010360167

Collective Economic Decisions and the Discursive Dilemma

Claussen, Carl Andreas; Røisland, Øistein - 2005

Most economic decisions involve judgments. When decisions are taken collectively, various judgment aggregation problems …

Persistent link: https://www.econbiz.de/10012143639

Strategy-proof judgment aggregation

Dietrich, Franz; List, Christian - London School of Economics (LSE) - 2005

In the theory of judgment aggregation on logically connected propositions, an important question remains open: Which …-theoretic considerations into judgment aggregation and have implications for debates on deliberative democracy. … aggregation rules are manipulable and which are strategy-proof? We define manipulability and strategy-proofness in judgment …

Persistent link: https://www.econbiz.de/10010745758

The (Im)Possibility of a Paretian Rational

Nehring, Klaus - School of Social Science, Institute for Advanced Study - 2005

We consider situations in which a group takes a collective decision by aggregating individual’s judgments on a set of criteria according to some agreed-upon decision functions. Assuming the criteria and the decision to be binary, we demonstrate that, except when the aggregation rule is...

Persistent link: https://www.econbiz.de/10005697963