Optimal savings management for individuals with defined contribution pension plans

Agnieszka Karolina Konicz, John M. Mulvey

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The paper provides some guidelines to individuals with defined contribution (DC) pension plans on how to manage pension savings both before and after retirement. We argue that decisions regarding investment, annuity payments, and the size of death sum should not only depend on the individual’s age (or time left to retirement), nor should they solely depend on the risk preferences, but should also capture: (1) economical characteristics—such as current value on the pension savings account, expected pension contributions (mandatory and voluntary), and expected income after retirement (e.g. retirement state pension), and (2) personal characteristics—such as risk aversion, lifetime expectancy, preferable payout profile, bequest motive, and preferences on portfolio composition. Specifically, the decisions are optimal under the expected CRRA utility function and are subject to the constraints characterizing the individual. The problem is solved via a model that combines two optimization approaches: stochastic optimal control and multi-stage stochastic programming. The first method is common in financial and actuarial literature, but produces theoretical results. However, the latter, which is characteristic for operations research, has practical applications. We present the operations research methods which have potential to stimulate new thinking and add to actuarial practice.
    Original languageEnglish
    JournalEuropean Journal of Operational Research
    Volume243
    Issue number1
    Pages (from-to)233–247
    Number of pages15
    ISSN0377-2217
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Finance
    • Pensions
    • Utility theory
    • Stochastic programming
    • Stochastic optimal control

    Cite this

    Konicz, Agnieszka Karolina ; Mulvey, John M. / Optimal savings management for individuals with defined contribution pension plans. In: European Journal of Operational Research. 2015 ; Vol. 243, No. 1. pp. 233–247.
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    Optimal savings management for individuals with defined contribution pension plans. / Konicz, Agnieszka Karolina; Mulvey, John M.

    In: European Journal of Operational Research, Vol. 243, No. 1, 2015, p. 233–247.

    Research output: Contribution to journalJournal articleResearchpeer-review

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    AB - The paper provides some guidelines to individuals with defined contribution (DC) pension plans on how to manage pension savings both before and after retirement. We argue that decisions regarding investment, annuity payments, and the size of death sum should not only depend on the individual’s age (or time left to retirement), nor should they solely depend on the risk preferences, but should also capture: (1) economical characteristics—such as current value on the pension savings account, expected pension contributions (mandatory and voluntary), and expected income after retirement (e.g. retirement state pension), and (2) personal characteristics—such as risk aversion, lifetime expectancy, preferable payout profile, bequest motive, and preferences on portfolio composition. Specifically, the decisions are optimal under the expected CRRA utility function and are subject to the constraints characterizing the individual. The problem is solved via a model that combines two optimization approaches: stochastic optimal control and multi-stage stochastic programming. The first method is common in financial and actuarial literature, but produces theoretical results. However, the latter, which is characteristic for operations research, has practical applications. We present the operations research methods which have potential to stimulate new thinking and add to actuarial practice.

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    KW - Stochastic optimal control

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