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Journal Articles Journal of Mathematical Economics Year : 2020

Intensity of preferences for bivariate risk apportionment

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David Crainich
Louis Eeckhoudt
  • Function : Author
Olivier Le Courtois
  • Function : Author

Abstract

Bivariate risk apportionment is the preference for dispersing risks associated with two aspects of individuals’ well-being into different states of the world. In this paper, we propose an intensity measure of this preference by extending to the bivariate case the concept of marginal rate of substitution between risks of different orders introduced in the univariate case by Liu and Meyer (2013). We show that the intensity measure of the preference for bivariate risk apportionment is characterized by bivariate risk attitudes in the sense of Ross. The usefulness of our measures to understand economic choices is illustrated by the analysis of two specific decisions: savings under environmental risk and medical treatment in the presence of diagnostic risks.
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Dates and versions

hal-03133126 , version 1 (06-10-2021)

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David Crainich, Louis Eeckhoudt, Olivier Le Courtois. Intensity of preferences for bivariate risk apportionment. Journal of Mathematical Economics, 2020, 88, pp.153-160. ⟨10.1016/j.jmateco.2020.03.007⟩. ⟨hal-03133126⟩
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