Disappointment aversion premium principle

Ka Chun Cheung, Wing Fung Chong, Robert Elliott, Sheung Chi Phillip Yam

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

In recent years, the determination of premium principle under various non-expected utility frameworks has become popular, such as the pioneer works by Tsanakas and Desli (2003) and Kaluszka and Krzeszowiec (2012). We here revisit the problem under another prevalent behavioral economic theory, namely the Disappointment Aversion (DA) Theory proposed by Gul (1991). In this article, we define and study the properties of the DA premium principle, which builds on the equivalent utility premium principle. We derive various properties of this premium principle, such as non-negative and no unjustified risk loading, translation invariance, monotonicity, convexity, positive (non-)homogeneity, independent (non-)additivity, comonotonic (non-)additivity and monotonicity with respect to the extent of disappointment. A generalized Arrow–Pratt approximation is also established. Explicit representations of the premium principle are obtained for linear and exponential utilities, and they reveal that the premium principle proposed echoes the capital reserve regulatory requirement in practice.
Original languageEnglish
Pages (from-to)679-702
Number of pages24
JournalASTIN Bulletin: The Journal of the IAA
Volume45
Issue number3
DOIs
Publication statusPublished - Sep 2015

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