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7440 Small dependencies and large actuarial risks
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Albers, W. and Kallenberg, W.C.M. and Lukocius, V. (2006) Small dependencies and large actuarial risks. Memorandum 1812, Department of Applied Mathematics, University of Twente, Enschede. ISSN 0169-2690

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Abstract

Methods for computing risk measures such as stop-loss premiums tacitly assume independence of the underlying individual risks. From earlier studies it is already known that this assumption can lead to huge errors even when only small dependencies occur. In the present paper a general model is developed, which covers what happens in practice in a realistic way. Moreover, it is also flexible, in the sense that it allows application in practice. Approximations are presented which are both accurate and transparent and the results obtained are illustrated through some explicit examples.

Item Type:Internal Report (Memorandum)
Research Group:EWI-SP: Statistics and Probability
Research Program:CTIT-eProductivity
Uncontrolled Keywords:aggregate claims, overdispersion, cumulants, dependence, tail events
ID Code:7440
Deposited On:31 January 2007
More Information:statisticsmetis

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