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Optimal Excess-of-Loss Reinsurance and Investment Problem for Insurers with Loss Aversion

机译:具有损失规避的保险公司的最优损失超额再保险和投资问题

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This paper studies an optimal reinsurance and investment problem for a loss-averse insurer. The insurer ’ s goal is to choose the optimal strategy to maximize the expected S-shaped utility from the terminal wealth. The surplus process of the insurer is assumed to follow a classical Cramér-Lundberg (C-L) model and the insurer is allowed to purchase excess-of-loss reinsurance. Moreover, the insurer can invest in a risk-free asset and a risky asset. The dynamic problem is transformed into an equivalent static optimization problem via martingale approach and then we derive the optimal strategy in closed - form. Finally, we present some numerical simulation to illustrate the effects of market parameters on the optimal terminal wealth and the optimal strategy, and explain some economic phenomena from these results.
机译:本文研究了规避损失的保险公司的最优再保险和投资问题。保险公司的目标是选择最佳策略,以从终端财富中最大化预期的S型效用。假定保险人的盈余过程遵循经典的Cramér-Lundberg(C-L)模型,并且允许保险人购买超额亏损再保险。此外,保险公司可以投资无风险资产和风险资产。通过mar法将动态问题转化为等效的静态优化问题,然后得出封闭形式的最优策略。最后,我们提供一些数值模拟来说明市场参数对最优终端财富和最优策略的影响,并从这些结果中解释一些经济现象。

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