On matrix-exponential distributions in risk theory

Alessandra Carleo and Mariafortuna Pietroluongo
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Mariafortuna Pietroluongo: -

Discussion Papers from CRISEI, University of Naples "Parthenope", Italy

Abstract: In this paper, a particular class of matrix-exponential distributions is described, also with respect to its use in risk theory, namely phase-type distributions. Phase-type distributions have the important advantage of being suitable for approximating most of other distributions as well as being mathematically tractable. After a review on phase-type distributions and their properties, a possible use in risk theory is illustrated. Modelling both interarrival claim times and individual claim sizes with this class of distributions an explicit formula for the probability of ultimate ruin is given.

Keywords: Matrix-exponential distribution; Phase-type distribution; Ruin probability; Markov chain. (search for similar items in EconPapers)
Date: 2014-06-02
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