Comparative Ross risk aversion in the presence of mean dependent risks

Georges Dionne () and Jingyuan Li

No 12-2, Working Papers from HEC Montreal, Canada Research Chair in Risk Management

Abstract: This paper studies comparative risk aversion between risk averse agents in the presence of a background risk. Our contribution differs from most of the literature in two respects. First, background risk does not need to be additive or multiplicative. Second, the two risks are not necessarily mean independent, and may be conditional expectation increasing or decreasing. We show that our order of cross Ross risk aversion is equivalent to the order of partial risk premium, while our index of decreasing cross Ross risk aversion is equivalent to decreasing partial risk premium. These results generalize the comparative risk aversion model developed by Ross for mean independent risks. Our theoretical results propose new insights into comparing the welfare costs of business cycles and are related to utility functions having the n-switch independence property. They can be applied to many other economic situations implying a background risk.

Keywords: Comparative cross Ross risk aversion; dependent background risk; partial risk premium; decreasing cross Ross risk aversion; n-switch independence property (search for similar items in EconPapers)
JEL-codes: D81 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2013-02-11
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Related works:
Journal Article: Comparative Ross risk aversion in the presence of mean dependent risks (2014)
Working Paper: Comparative Ross Risk Aversion in the Presence of Mean Dependent Risks (2012)
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Persistent link: https://EconPapers.repec.org/RePEc:ris:crcrmw:2012_002

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