On the use of conditional specification models in claim count distributions: an application to bonus-malus system
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2004Derechos
© Cambridge University Press
Publicado en
ASTIN BULLETIN, Vol. 34, nº 1, 2004, pp. 85-98
Publisher
Cambridge University Press
Palabras clave
Conditional specification model
Generalized negative binomial distribution
Bonus-malus systems
Abstract:
In this paper a new methodology using the conditional specification technique introduced by Arnold et al. (1999) is used to obtain bonus-malus premiumns. A Poisson distribution for wich the parameter is a function of the classical structure parameter is used and a new class of prior distribution arises in a natural way. This model contains, a s a particular case, the classical compound Poisson model and is found to be much more robust than earlier ones. An example is given to illustrate our ideas.
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