Decisions with conflicting and imprecise information | Zendy

Thibault Gajdos | Zendy; Jean-Christophe Vergnaud | Zendy

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Decisions with conflicting and imprecise information

Author(s) -

Thibault Gajdos,

Jean-Christophe Vergnaud

Publication year - 2012

Publication title -

social choice and welfare

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.504

H-Index - 52

eISSN - 1432-217X

pISSN - 0176-1714

DOI - 10.1007/s00355-012-0691-1

Subject(s) - decision maker , axiom , argument (complex analysis) , decision analysis , computer science , decision theory , management science , foundation (evidence) , optimal decision , operations research , artificial intelligence , mathematical economics , mathematics , economics , decision tree , biochemistry , chemistry , geometry , statistics , archaeology , history

The most usual procedure when facing decisions in complex settings consists in consulting experts, aggregating the information they provide, and deciding on the basis of this aggregated information. We argue that such a procedure entails a substantial loss, insofar as it precludes the possibility to take into account simultaneously the decision maker's attitude towards conflict among experts and her attitude towards imprecision of information. We propose to consider directly how a decision maker behaves when using information coming from several sources. We give an axiomatic foundation for a decision criterion that allows to distinguish on a behavioral basis the decision maker's attitude towards imprecision and towards conflict

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