Microeconometric treatments of discrete choice under risk are typically homoscedastic latent variable models. Specifically, choice probabilities are given by preference functional differences (given by expected utility, rank-dependent utility, etc.) embedded in cumulative distribution functions. This approach has a problem: Estimated utility function parameters meant to represent agents’ degree of risk aversion in the sense of Pratt (1964) do not imply a suggested “stochastically more risk averse” relation within such models. A new heteroscedastic model called “contextual utility” remedies this, and estimates in one data set suggest it explains (and especially predicts) as well or better than other stochastic models.
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number
11851.
Find related papers by JEL classification: D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
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Steffen Andersen & Glenn W. Harrison & Morten I. Lau & E. Elisabet Rutström, 2008.
"Eliciting Risk and Time Preferences,"
Econometrica,
Econometric Society, vol. 76(3), pages 583-618, 05.
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