Abstract
Users of expected utility based decision models frequently find it useful or necessary to specify a functional form that represents the risk preferences of a decision maker. Having additional functional forms from which to choose would be helpful. The literature so far has provided several such functional forms for the utility function itself. The discussion presented here indicates that providing a functional form for the marginal utility function is an alternate and equally useful way to represent risk preferences. Furthermore, functional forms for marginal utility are easier to provide, and there exist functional forms for marginal utility that represent simple risk preferences for which there is no associated functional form for the utility function. Several functional forms for marginal utility are suggested, and the class of isoelastic risk preferences is identified and discussed.
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Comments from Denis Conniffe and from seminar participants at SCC-76, Economics and Management of Risk in Agriculture and Natural Resources, Gulf Shores, AL, March 15–17, 2007 are greatly appreciated.
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Meyer, J. Representing risk preferences in expected utility based decision models. Ann Oper Res 176, 179–190 (2010). https://doi.org/10.1007/s10479-008-0381-7
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DOI: https://doi.org/10.1007/s10479-008-0381-7