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Optimal portfolio with vector expected utility

Eric André

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Abstract: We study the optimal portfolio selected by an investor who conforms to Siniscalchi (2009)'s Vector Expected Utility's (VEU) axioms and who is ambiguity averse. To this end, we derive a mean-variance preference generalised to ambiguity from the second-order Taylor-Young expansion of the VEU certainty equivalent. We apply this Mean-Variance Variability preference to the static two-assets portfolio problem and deduce asset allocation results which extend the mean-variance analysis to ambiguity in the VEU framework. Our criterion has attractive features: it is axiomatically well-founded and analytically tractable, it is therefore well suited for applications to asset pricing as proved by a novel analysis of the home-bias puzzle with two ambiguous assets.

Keywords: Economie; quantitative (search for similar items in EconPapers)
Date: 2014-05
Note: View the original document on HAL open archive server: https://hal-amu.archives-ouvertes.fr/hal-01474246
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Published in Mathematical Social Sciences, Elsevier, 2014, 69 (C), pp.50--62. ⟨10.1016/j.mathsocsci.2014.02.001⟩

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Journal Article: Optimal portfolio with vector expected utility (2014) Downloads
Working Paper: Optimal portfolio with vector expected utility (2014)
Working Paper: Optimal Portfolio with Vector Expected Utility (2013) Downloads
Working Paper: Optimal Portfolio with Vector Expected Utility (2013) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01474246

DOI: 10.1016/j.mathsocsci.2014.02.001

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