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Are Beliefs a Matter of Taste ? A case for Objective Imprecise Information

Raphaël Giraud () and Jean-Marc Tallon ()

Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) from HAL

Abstract: We argue, in the spirit of some of Jean-Yves Jaffray's work, that explicitly incorporating the information, however imprecise, available to the decision marker is relevant, feasible and fruitful. In particular, we show that it can lead us to know whether the decision maker has wrong beliefs and whether it matters or not, that it makes it possible to better model and analyze how the decision maker takes into account new information, even when this information is not an event and finally that it is crucial when attempting to identify and measure the decision maker's attitude toward imprecise information.

Keywords: information; Beliefs; imprecision; information.; Croyances (search for similar items in EconPapers)
Date: 2009-12
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00442869
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Published in 2009

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Related works:
Journal Article: Are beliefs a matter of taste? A case for objective imprecise information (2011) Downloads
Working Paper: Are beliefs a matter of taste? A case for Objective Imprecise Information (2011) Downloads
Working Paper: Are beliefs a matter of taste? A case for objective imprecise information (2009) Downloads
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