A Joint Density Function in the Renewal Risk Model

被引:0
作者
Xu Huai [1 ]
Tang Ling [2 ]
Wang De-hui
机构
[1] School of Mathematics,Anhui University
[2] Department of mathematics,Anhui Institute of Architecture and Industry
关键词
deficit at ruin; surplus prior to ruin; phase-type distribution; renewal risk model; maximal aggregate loss;
D O I
10.13447/j.1674-5647.2013.01.001
中图分类号
O211.3 [分布理论];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this paper,we consider a general expression for(u,x,y),the joint density function of the surplus prior to ruin and the deficit at ruin when the initial surplus is u.In the renewal risk model,this density function is expressed in terms of the corresponding density function when the initial surplus is 0.In the compound Poisson risk process with phase-type claim size,we derive an explicit expression for(u,x,y).Finally,we give a numerical example to illustrate the application of these results.
引用
收藏
页码:88 / 96
页数:9
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