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- W4311191935 abstract "The paper investigates optimal reinsurance-investment strategies with the assumption that the insurers can purchase proportional reinsurance contracts and invest their wealth in a financial market consisting of one risk-free asset and one risky asset whose price process obeys the rough Heston model. The problem is formulated as a utility maximization problem with a minimum guarantee under an S-shaped utility. Since the rough Heston model is non-Markovian and non-semimartingale, the utility maximization problem cannot be solved by the classical dynamical programming principle and related approaches. This paper uses semi-martingale approximation techniques to approximate the utility maximization problem and proves the rates of convergence for the optimal strategies. The approximate problem is a kind of classical stochastic control problem under multi-factor stochastic volatility models. As the approximate control problem still cannot be solved analytically, a dual-control Monte-Carlo method is developed to solve it. Numerical examples and implementations are provided." @default.
- W4311191935 created "2022-12-24" @default.
- W4311191935 creator A5004621668 @default.
- W4311191935 creator A5059265942 @default.
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- W4311191935 date "2022-12-02" @default.
- W4311191935 modified "2023-09-27" @default.
- W4311191935 title "Optimal reinsurance-investment with loss aversion under rough Heston model" @default.
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- W4311191935 doi "https://doi.org/10.1080/14697688.2022.2140308" @default.
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