Acta mathematica scientia,Series B

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ON THE RUIN FUNCTIONS FOR A CORRELATED AGGREGATE CLAIMS MODEL WITH POISSON AND ERLANG RISK PROCESSES

Liu Yan; Yang Wenquan; Hu Yijun   

  1. School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China
  • Received:2004-05-03 Revised:1900-01-01 Online:2006-04-20 Published:2006-04-20
  • Contact: Liu Yan

Abstract:

This article considers a risk model as in Yuen et al. (2002). Under this model the two claim number processes are correlated. Claim occurrence of both
classes relate to Poisson and Erlang processes. The formulae is derived for the distribution of the surplus immediately before ruin, for the distribution of the surplus immediately after ruin and the joint distribution of the surplus immediately before and after ruin. The asymptotic property of these ruin functions is also investigated.

Key words: Correlated aggregate claims, Poisson process, Erlang process, ruin functions

CLC Number: 

  • 91B30
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