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Optimal DC Pension Management Under Inflation Risk With Jump Diffusion Price Index and Cost of Living Process

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Abstract

This work deals with an optimal benefit distribution and asset allocation problem for a defined contribution (DC) pension plan during its decumulation phase. With the phenomenon of longevity, the time horizon of pension management during this phase might be long, thus the influence of inflation is considered in the context. The inflation index is subjected to a Poisson jump and a Brownian uncertainty. Motivated by the work of Wang et al. (2018), it is assumed that the scheme provides cost of living adjustment, which is extended to a jump diffusion process in this work. The plan aims to reduce fluctuations of benefit and terminal wealth by investing the fund in a financial market consisting of a bank account, an inflation indexed bond and a stock. The dynamics of two risky assets are also given by jump diffusion processes. The closed form decisions are derived by using the dynamic programming approach.

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Funding

This paper was supported by the High School Natural Science Foundation of Hebei Province with NO. QN2021215.

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Correspondence to Xiaoyi Zhang.

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Zhang, X. Optimal DC Pension Management Under Inflation Risk With Jump Diffusion Price Index and Cost of Living Process. Methodol Comput Appl Probab 24, 1253–1270 (2022). https://doi.org/10.1007/s11009-022-09930-9

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  • DOI: https://doi.org/10.1007/s11009-022-09930-9

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