Risk Classification for Claim Counts

Jean-Philippe Boucher, Michel Denuit and Montserrat Guillén

North American Actuarial Journal, 2007, vol. 11, issue 4, 110-131

Abstract: This paper presents and compares different risk classification models for the annual number of claims reported to the insurer. Generalized heterogeneous, zero-inflated, hurdle, and compound frequency models are applied to a sample of an automobile portfolio of a major company operating in Spain. A statistical comparison between models is performed with the help of various specification tests (Score and Hausman tests for nested models, Vuong test or information criteria for nonnested ones). Interesting results about claiming behavior are obtained.

Date: 2007
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DOI: 10.1080/10920277.2007.10597487

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