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The Perturbed Compound Poisson Risk Process with Investment and Debit Interest

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Abstract

In this paper, we study absolute ruin questions for the perturbed compound Poisson risk process with investment and debit interests by the expected discounted penalty function at absolute ruin, which provides a unified means of studying the joint distribution of the absolute ruin time, the surplus immediately prior to absolute ruin time and the deficit at absolute ruin time. We first consider the stochastic Dirichlet problem and from which we derive a system of integro-differential equations and the boundary conditions satisfied by the function. Second, we derive the integral equations and a defective renewal equation under some special cases, then based on the defective renewal equation we give two asymptotic results for the expected discounted penalty function when the initial surplus tends to infinity for the light-tailed claims and heavy-tailed claims, respectively. Finally, we investigate some explicit solutions and numerical results when claim sizes are exponentially distributed.

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Authors and Affiliations

  1. School of Mathematical Sciences, Qufu Normal University, Qufu, 273165, Shandong, People’s Republic of China

    Chuancun Yin & Chunwei Wang

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  1. Chuancun Yin
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  2. Chunwei Wang
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Correspondence to Chuancun Yin.

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Yin, C., Wang, C. The Perturbed Compound Poisson Risk Process with Investment and Debit Interest. Methodol Comput Appl Probab 12, 391–413 (2010). https://doi.org/10.1007/s11009-008-9109-z

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  • DOI: https://doi.org/10.1007/s11009-008-9109-z

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