Portfolio choice and mental accounts: A comparison with traditional approaches

Georges Hübner and Thomas Lejeune

Finance, 2022, vol. 43, issue 1, 95-121

Abstract: This paper analyses the ability of a realistic mental accounting model for portfolio choice to compete with traditional utility alternatives. The model is the horizon-asymmetry mental accounting (HAMA) setup presented in Hübner and Lejeune (2021). Das, Markowitz, Scheid, and Statman (2010) and Hübner and Lejeune (2021) have shown that the mental accounting framework embeds optimal allocations derived from quadratic utility optimization and/or the Gaussian distribution assumption. We complement their work by demonstrating here the flexibility and numerical superiority of the optimization outputs that a non-Gaussian version of HAMA generates with respect to two traditional expected utility maximization rules that produce a wide and relevant spectrum of portfolio allocation rules for a variety of realistic investor types: the decay rate approach proposed by Stutzer (2003), which is analogous to maximizing expected utility, and the class of flexible three-parameter utility functions (FTP) introduced by Conniffe (2007) that encompasses a wide set of popular utility functions. JEL Classification: G02, G11, D14.

Keywords: mental accounts; portfolio choice; horizon; upside potential; risk aversion (search for similar items in EconPapers)
JEL-codes: D14 G02 G11 (search for similar items in EconPapers)
Date: 2022
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