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一类干扰模型下的破产估计

Estimation of ruin probability in a perturbed model
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摘要 目的研究S(γ)族索赔分布在一般干扰模型中的破产概率。方法利用分布的相关性质及拉普拉斯变换。结果得到与分布及干扰过程有关的破产概率定理。结论揭示了初始准备金趋于无限时,破产概率受干扰强度的规律,推广了已有干扰模型的破产概率估计。 Aim To study the ruin probability in a perturbed model in which the claim distribution belongs to S (γ). Methods Using the nature of S(γ) and the Laplace transform. Results A theorem of the perturbationruin probability about the claim distribution and the perturbation process is obtained. Conclusion The perturbation law is provided when the initial reserve tends to + ∞ ,and the results of the perturbation ruin probability are extended.
作者 焦圣华
出处 《西北大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第6期925-927,935,共4页 Journal of Northwest University(Natural Science Edition)
基金 国家自然科学基金资助项目(10771169)
关键词 破产概率 干扰模型 轻尾分布 Lěvy过程 the ruin probability the perturbed model the lighter-tailed distribution LEvy motion
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参考文献5

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