On Computations in Renewal Risk Models—Analytical and Statistical Aspects

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung


We discuss aspects of numerical methods for the computation of Gerber-Shiu or discounted penalty-functions in renewal risk models. We take an analytical point of view and link this function to a partial-integro-differential equation and propose a numerical method for its solution. We show weak convergence of an approximating sequence of piecewise-deterministic Markov processes (PDMPs) for deriving the convergence of the procedures. We will use estimated PDMP characteristics in a subsequent step from simulated sample data and study its effect on the numerically computed Gerber-Shiu functions. It can be seen that the main source of instability stems from the hazard rate estimator. Interestingly, results obtained using MC methods are hardly affected by estimation.
PublikationsstatusVeröffentlicht - 4 Mär 2020

ASJC Scopus subject areas

  • !!Statistics and Probability

Fields of Expertise

  • Information, Communication & Computing

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