The Logic of Group Decisions: Judgment Aggregation
Pigozzi, Gabriella (2015), The Logic of Group Decisions: Judgment Aggregation, Journal of Philosophical Logic, 44, 6, p. 755-769. 10.1007/s10992-015-9357-7
TypeArticle accepté pour publication ou publié
Journal nameJournal of Philosophical Logic
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Laboratoire d'analyse et modélisation de systèmes pour l'aide à la décision [LAMSADE]
Abstract (EN)Judgment aggregation studies how individual opinions on a given set of propositions can be aggregated to form a consistent group judgment on the same propositions. Despite the simplicity of the problem, seemingly natural aggregation procedures fail to return consistent collective outcomes, leading to what is now known as the doctrinal paradox. The first occurrences of the paradox were discovered in the legal realm. However, the interest of judgment aggregation is much broader and extends to political philosophy, epistemology, social choice theory, and computer science. The aim of this paper is to provide a concise survey of the discipline and to outline some of the most pressing questions and future lines of research.
Subjects / KeywordsJudgment aggregation; Aggregation rules; Social choice theory; Group decisions; Voting paradoxes; Logic
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Lang, Jérôme; Pigozzi, Gabriella; Slavkovik, Marija; van der Torre, Leendert; Vesic, Srdjan (2017) Article accepté pour publication ou publié