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  1. An Experimental Investigation of Imprecision Attitude and its Relation with Risk Attitude and Impatience.Michèle Cohen, Jean-Marc Tallon & Jean-Christophe Vergnaud - 2011 - Theory and Decision 71 (1):81-110.
    We report in this paper the result of three experiments on risk, ambiguity and time attitude. The first two differed by the population considered (students vs. general population) while the third one used a different protocol and concerned students and portfolio managers. We find quite a lot of heterogeneity at the individual level. Of principal interest was the elicitation of risk, time and ambiguity attitudes and the relationship among these (model free) measures. We find that on the student population, there (...)
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  • Choice with Imprecise Information: An Experimental Approach. [REVIEW]Takashi Hayashi & Ryoko Wada - 2010 - Theory and Decision 69 (3):355-373.
    This article provides an experimental analysis of attitude toward imprecise and variable information. Imprecise information is provided in the form of a set of possible probability values, such that it is virtually impossible for the subjects to guess or estimate, which one in the set is true or more likely to be true. We investigate how geometric features of such information pieces affect choices. We find that the subjects care about more features than the pairs of best-case and worst-case, which (...)
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