 previous article in this issue | next article in this issue  |
|
Document Details : Title: Fixed versus Random Effects in Poisson Regression Models for Claim Counts Subtitle: A Case Study with Motor Insurance Author(s): BOUCHER, Jean-Philippe , DENUIT, Michel Journal: ASTIN Bulletin Volume: 36 Issue: 1 Date: May 2006 Pages: 285-301 DOI: 10.2143/AST.36.1.2014153 Abstract : This paper examines the validity of some stylized statements that can be found in the actuarial literature about random effects models.Specifically,the actual meaning of the estimated parameters and the nature of the residual heterogeneity are discussed. A numerical illustration performed on a Belgian motor third party liability portfolio supports this discussion. |
