Monotone Stochastic Choice Models: The Case of Risk and Time Preferences

Miguel Ballester and Jose Apesteguia

No 859, Working Papers from Barcelona School of Economics

Abstract: Suppose that, when evaluating two alternatives x and y by means of a parametric utility function, low values of the parameter indicate a preference for x and high values indicate a preference for y. We say that a stochastic choice model is monotone whenever the probability of choosing x is decreasing in the preference parameter. We show that the standard use of random utility models in the context of risk and time preferences may sharply violate this monotonicity property, and argue that their use in preference estimation may be problematic. In particular, they may pose identi cation problems and yield biased estimations. We then establish that the alternative random parameter models, in contrast, are always monotone. We show in an empirical application that standard risk-aversion assessments may be severely biased.

Keywords: Risk Aversion; random utility models; stochastic choice; preference parameters; random parameter models; delay aversion (search for similar items in EconPapers)
JEL-codes: C25 D81 (search for similar items in EconPapers)
Date: 2016-01
New Economics Papers: this item is included in nep-dcm, nep-ore and nep-upt
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Citations: View citations in EconPapers (6)

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Related works:
Journal Article: Monotone Stochastic Choice Models: The Case of Risk and Time Preferences (2018)
Working Paper: Monotone stochastic choice models: The case of risk and time preferences (2015)
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