Tail asymptotic for discounted aggregate claims with one-sided linear dependence and general investment return

Tail asymptotic for discounted aggregate claims with one-sided linear dependence and general investment return
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具有单边线性相关性和一般投资回报的贴现总索赔的尾部渐近

DOI:
10.1007/s11425-017-9167-0
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发表时间:
2018-12
期刊:
Science China Mathematics
影响因子:
--
通讯作者:
Dingcheng Wang
Dingcheng Wang
中科院分区:
其他
文献类型:
--
作者:
Fenglong Guo;Dingcheng Wang

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在本研究中,我们研究了一个依赖风险模型中贴现总索赔规模的尾部概率。在该模型中,我们观察到专利申请规模遵循一个片面的线性过程,具有独立和相同分布的创新。投资回报被描述为具有cádlág路径的一般随机过程。在重尾创新分布的情况下,我们能够推导出尾概率的渐近估计,并提供渐近上界,以提高我们研究的适用性。
In this study, we investigate the tail probability of the discounted aggregate claim sizes in a dependent risk model. In this model, the claim sizes are observed to follow a one-sided linear process with independent and identically distributed innovations. Investment return is described as a general stochastic process with cádlág paths. In the case of heavy-tailed innovation distributions, we are able to derive some asymptotic estimates for tail probability and to provide some asymptotic upper bounds to improve the applicability of our study.
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