Severity of ruin in a Markov-dependent risk model |
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Authors: | Juan Liu Jiancheng Xu Yijun Hu |
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Institution: | 1. School of Mathematics and Statistics, Hubei Normal University, Huangshi, 435002, Hubei, China 2. School of Mathematics and Statistics, Wuhan University, Wuhan, 430072, Hubei, China
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Abstract: | We study the severity of ruin in a Markov-dependent risk model in which the claim interarrivals and claim amounts are influenced
by an external Markov chain. A system of integro-differential equation of the severity of ruin, given the initial environment
state, is derived. Explicit formulas for the severity of ruin are obtained when the initial surplus is zero or when all the
claim amount distributions are from rational family. In the two state model, numerical illustration with exponential claim
accounts are given. |
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Keywords: | |
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