Self-similar processes in collective risk theory

Self-similar processes in collective risk theory

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Article ID: iaor20001235
Country: United States
Volume: 11
Issue: 4
Start Page Number: 429
End Page Number: 448
Publication Date: Oct 1998
Journal: Journal of Applied Mathematics and Stochastic Analysis
Authors:
Keywords: performance, queues: applications, risk
Abstract:

Collective risk theory is concerned with random fluctuations of the total assets and the risk reserve of an insurance company. In this paper we consider self-similar, continuous processes with stationary increments for the renewal model in risk theory. We construct a risk model which shows a mechanism of long range dependence of claims. We approximate the risk process by a self-similar process with drift. The ruin probability within finite time is estimated for fractional Brownian motion with drift. A similar model is applicable in queueing systems, describing long range dependence in on/off processes and associated fluid models. The obtained results are useful in communuication network models, as well as storage and inventory models.

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