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Time-inconsistent life-cycle consumption and retirement choice with mortality risk

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  • Luo, Shangzhen
  • Wang, Mingming
  • Zhu, Wei

Abstract

In this paper, we propose a general model to study life-cycle consumption and retirement choice of individuals with mortality risk and various forms of discounting preference. By solving the Euler-Lagrange equations, we obtain the optimal consumption strategy explicitly and provide an equation to solve for optimal retirement age. Two intuitive budget constraints are established to demonstrate the effects of precautionary saving and bequest motives on the optimal choices. We also explore the effects of interest rate, income and discounting preference on the optimization, where numerical examples are used to illustrate the role of these factors on the consumption behavior and retirement timing.

Suggested Citation

  • Luo, Shangzhen & Wang, Mingming & Zhu, Wei, 2022. "Time-inconsistent life-cycle consumption and retirement choice with mortality risk," Applied Mathematics and Computation, Elsevier, vol. 433(C).
    • Handle: RePEc:eee:apmaco:v:433:y:2022:i:c:s0096300322004702
    DOI: 10.1016/j.amc.2022.127396
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    More about this item

    Keywords

    Life-cycle consumption; Retirement; Euler-Lagrange equation; Mortality risk; Time-inconsistency;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • D15 - Microeconomics - - Household Behavior - - - Intertemporal Household Choice; Life Cycle Models and Saving
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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