Structural properties of Gerber-Shiu functions in dependent Sparre Andersen models

Eric C.K. Cheung, David Landriault, Gordon E. Willmot and Jae-Kyung Woo

Insurance: Mathematics and Economics, 2010, vol. 46, issue 1, 117-126

Abstract: The structure of various Gerber-Shiu functions in Sparre Andersen models allowing for possible dependence between claim sizes and interclaim times is examined. The penalty function is assumed to depend on some or all of the surplus immediately prior to ruin, the deficit at ruin, the minimum surplus before ruin, and the surplus immediately after the second last claim before ruin. Defective joint and marginal distributions involving these quantities are derived. Many of the properties in the Sparre Andersen model without dependence are seen to hold in the present model as well. A discussion of Lundberg's fundamental equation and the generalized adjustment coefficient is given, and the connection to a defective renewal equation is considered. The usual Sparre Andersen model without dependence is also discussed, and in particular the case with exponential claim sizes is considered.

Keywords: Defective; renewal; equation; Compound; geometric; distribution; Ladder; height; Lundberg'; s; fundamental; equation; Generalized; adjustment; coefficient; Cramer'; s; asymptotic; ruin; formula; Esscher; transform; Last; interclaim; time; NWU; NBU (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (23)

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