Group deliberation and the transformation of judgments: an impossibility result

List, Christian ORCID: 0000-0003-1627-800X (2007) Group deliberation and the transformation of judgments: an impossibility result. PSPE working papers (04-2007). Department of Government, London School of Economics and Political Science, London, UK.

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Abstract

While a large social-choice-theoretic literature discusses the aggregation of individual judgments into collective ones, there is relatively little formal work on the transformation of individual judgments in group deliberation. I develop a model of judgment transformation and prove a baseline impossibility result: Any judgment transformation function satisfying some initially plausible conditions is the identity function, under which no opinion change occurs. I identify escape routes from this impossibility result and argue that successful group deliberation must be 'holistic': individuals cannot generally revise their judgments on a proposition based on judgments on that proposition alone but must take other propositions into account too. I discuss the signi…cance of these …ndings for democratic theory.

Item Type:	Monograph (Working Paper)
Official URL:	http://www2.lse.ac.uk/government/PSPE/WorkingPaper...
Additional Information:	© 2007 The Author
Divisions:	Government Philosophy, Logic and Scientific Method CPNSS
Subjects:	J Political Science > JC Political theory
Date Deposited:	11 Sep 2009 15:29
Last Modified:	11 Dec 2024 18:49
URI:	http://eprints.lse.ac.uk/id/eprint/25178

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