A Unified analysis of claim costs up to ruin in a Markovian arrival risk model

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      <subfield code="a">Cheung, Eric C.K.</subfield>
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      <subfield code="a">A Unified analysis of claim costs up to ruin in a Markovian arrival risk model </subfield>
      <subfield code="c">Eric C.K. Cheung, Runhuan Feng</subfield>
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      <subfield code="a">An insurance risk model where claims follow a Markovian arrival process (MArP) is considered in this paper. It is shown that the expected present value of total operating costs up to default H, as a generalization of the classical GerberShiu function, contains more non-trivial quantities than those covered in Cai et al. (2009), such as all moments of the discounted claim costs until ruin. However, it does not appear that the GerberShiu function ? with a generalized penalty function which additionally depends on the surplus level immediately after the second last claim before ruin (Cheung et al., 2010a) is contained in H. This motivates us to investigate an even more general function Z from which both H and ? can be retrieved as special cases. Using a matrix version of DicksonHipp operator (Feng, 2009b), it is shown that Z satisfies a Markov renewal equation and hence admits a general solution. Applications to other related problems such as the matrix scale function, the minimum and maximum surplus levels before ruin are given as well.</subfield>
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      <subfield code="w">MAP20077100574</subfield>
      <subfield code="t">Insurance : mathematics and economics</subfield>
      <subfield code="d">Oxford : Elsevier, 1990-</subfield>
      <subfield code="x">0167-6687</subfield>
      <subfield code="g">01/07/2013 Volumen 53 Número 1 - julio 2013 </subfield>
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