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An experimental investigation of imprecision attitude and its relation with risk attitude and impatience

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 is essentially no correlation. A non negligible fraction of the population behaves in an extremely cautions manner in the risk and ambiguity domain. When we drop this population from the sample, the correlation between our measures is also non significant. We also raise three questions linked to measurement of ambiguity attitudes that come out from our data sets

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Paper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 09029.

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Length: 26 pages
Date of creation: Mar 2009
Date of revision:
Handle: RePEc:mse:cesdoc:09029
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  10. Nicolas Roux, 2008. "The attitude toward probabilities of portfolio managers : an experimental study," Documents de travail du Centre d'Economie de la Sorbonne v08073, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
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  20. Sujoy Chakravarty & Jaideep Roy, 2009. "Recursive expected utility and the separation of attitudes towards risk and ambiguity: an experimental study," Theory and Decision, Springer, vol. 66(3), pages 199-228, March.
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  24. Nicolas Roux, 2008. "The Attitude Toward Probabilities of Portfolio Managers : an Experimental Study," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00344785, HAL.
  25. Tomomi Tanaka & Colin F. Camerer & Quang Nguyen, 2010. "Risk and Time Preferences: Linking Experimental and Household Survey Data from Vietnam," American Economic Review, American Economic Association, vol. 100(1), pages 557-71, March.
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