English, Article edition: Moments of the time of ruin in a renewal risk model with discounted penalty K.K. Thampi; M.J. Jacob

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Bookmark: http://trove.nla.gov.au/version/30927
Physical Description
  • article
Language
  • English

Edition details

Title
  • Moments of the time of ruin in a renewal risk model with discounted penalty
Author
  • K.K. Thampi
  • M.J. Jacob
Physical Description
  • article
Notes
  • Purpose – This paper considers a Sparre Andersen risk process for which the claims inter-arrival distribution is Generalized Exponential. The purpose of this paper is to find explicit expressions for the moments of time to ruin when a penalty is imposed at ruin. Design/​methodology/​approach – The study is focused on the function fd(u), the expected discounted penalty, which is due at ruin and may depend on the deficit at the time of ruin and also on the surplus prior to ruin. It shows that fd(u) satisfies an integro-differential equation which is solved using Laplace transforms. Findings – The authors have chosen a penalty function, which is independent of the surplus immediately before ruin, and a closed form expression is obtained for fd(u), and then solved for the moments of time to ruin. Originality/​value – New results are derived, many of which have mathematical and probabilistic interpretations, and additional insight is gained for the results in the renewal risk model.
  • Exponential forecasting, Mathematical modelling, Penalty costs, Risk management
  • RePEc:eme:jrfpps:v:9:y:2008:i:2:p:173-187
Language
  • English
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