Are beliefs a matter of taste? A case for Objective Imprecise Information

Raphaël Giraud and Jean-Marc Tallon

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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 maker 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: Decision under uncertainy; Objective Information; Belief Formation; Methodology of Decision Theory (search for similar items in EconPapers)
Date: 2011
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00502781v1
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Citations: View citations in EconPapers (6)

Published in Theory and Decision, 2011, 71 (1), pp.23-32. ⟨10.1007/s11238-010-9197-4⟩

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Related works:
Journal Article: Are beliefs a matter of taste? A case for objective imprecise information (2011)
Working Paper: Are beliefs a matter of taste? A case for Objective Imprecise Information (2011)
Working Paper: Are beliefs a matter of taste? A case for Objective Imprecise Information (2011)
Working Paper: Are Beliefs a Matter of Taste ? A case for Objective Imprecise Information (2009)
Working Paper: Are Beliefs a Matter of Taste ? A case for Objective Imprecise Information (2009)
Working Paper: Are beliefs a matter of taste? A case for objective imprecise information (2009)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-00502781

DOI: 10.1007/s11238-010-9197-4

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