A surplus process involving a compound Poisson counting process and applications

Yuying Li and Kristina P. Sendova

Communications in Statistics - Theory and Methods, 2020, vol. 49, issue 13, 3238-3256

Abstract: In this paper, we introduce a surplus process involving a compound Poisson counting process, which is a generalization of the classical ruin model where the claim-counting process is a homogeneous Poisson process. The incentive is to model batch arrival of claims using a counting process that is based on a compound distribution. This reduces the difficulty of modeling claim amounts and is consistent with industrial data. Recursive formula, some properties and relevant main ruin theory results are provided. Further, we consider applications involving zero-truncated negative binomial and zero-truncated binomial batch arrivals when the claim amounts follow exponential or Erlang distribution.

Date: 2020
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DOI: 10.1080/03610926.2019.1586942

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