Department of Finance

 

Date of this Version

2006

Document Type

Article

Citation

Journal of Actuarial Practice 13 (2006), pp. 33-60

Comments

Copyright 2006 Absalom Press

Abstract

We propose a Bayesian analysis to develop credibility estimates of the well known Biihlmann-Straub model. We describe simple numerical methods to obtain exact posterior distributions and predictive densities under this model. These distributions are obtained through Monte Carlo simulations that generate independent samples from the joint posterior distribution. Our methods are therefore preferable to methods such as Gibbs sampling, which generates dependent samples from the joint distribution. The methods discussed also can be extended to more complicated credibility models.

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