Collectivised Pension Investment with Exponential Kihlstrom--Mirman Preferences

John Armstrong and Cristin Buescu

Papers from arXiv.org

Abstract: In a collectivised pension fund, investors agree that any money remaining in the fund when they die can be shared among the survivors. We give a numerical algorithm to compute the optimal investment-consumption strategy for an infinite collective of identical investors with exponential Kihlstrom--Mirman preferences, investing in the Black--Scholes market in continuous time but consuming in discrete time. Our algorithm can also be applied to an individual investor. We derive an analytic formula for the optimal consumption in the special case of an individual who chooses not to invest in the financial markets. We prove that our problem formulation for a fund with an infinite number of members is a good approximation to a fund with a large, but finite number of members.

Date: 2019-11, Revised 2019-11
New Economics Papers: this item is included in nep-age
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1911.02296

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