Ressource pédagogique : Group Deliberation and the Revision of Individual Judgments: A Social-Choice-Theoretic Perspective

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La sagesse collective : principes et mécanismes Colloque des 22-23 mai 2008, organisé par l'Institut du Monde Contemporain du Collège de France, sous la direction du Professeur Jon Elster. Intervention de Christian List. While a large social-choice-theoretic literature discusses the aggregation of individual judgments into collective ones, there is relatively little formal work on the revision of individual judgments in group deliberation. I develop a model of judgment revision and prove a baseline impossibility result: any judgment revision function satisfying some initially plausible conditions is the identity function, under which no opinion change occurs. I identify escape routes from this impossibility and argue that successful group deliberation must be holistic.: it cannot generally be restricted to one proposition at a time but must focus on larger webs of interconnected propositions. This echoes the Duhem-Quine .holism thesis.on scienti.c theory testing. My approach opens up a new way of analyzing deliberative processes axiomatically.

"Domaine(s)" et indice(s) Dewey

• Philosophie et psychologie (100)
• Interaction sociale, communication (302)
• Science politique (320)

Thème(s)