两险种广义复合Poisson模型资金下降到初始盈余的贴现罚金函数

Jingbin LI,Xiulian WANG,Hua ZOU

Journal of Tianjin Normal University(Natural Science Edition)(2019)

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Abstract
考虑两险种广义复合Poisson模型,研究当资金下降到初始盈余时关于停时的贴现罚金函数.利用概率论方法及Laplace变换,推导出该模型贴现罚金函数满足的积分微分方程以及更新方程,进一步得出贴现罚金函数的具体表达式和资金下降到初始盈余时停时的矩,并对索赔额服从指数分布的情况给出了贴现罚金函数的显式表达式.
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