Uma abordagem clássica e bayesiana para o modelo de Tweedie

AUTOR(ES)
DATA DE PUBLICAÇÃO

2005

RESUMO

The goal of this work is to present a classic and a bayesian approach to the Tweedie Compound Poisson model considering the form and application shown at Jorgensen &Souza (1992). A speci.c goal is to estimate the individual claim mean values. Newton- Raphson iterative method is used in the classic inference in order to obtain the estimatives for the parameters. Non-informative priors are used to obtain the bayesian estimatives for the parameters. In the bayesian approach two dierent methodologies are considered: i) without the presence of covariance and ii) with the presence of covariance. The per- formance of both methods, classic and bayesian inference, are compared via simulated data.

ASSUNTO(S)

inferência clássica distribuição de poisson modelo de dispersão exponencial estatística - análise seguros - métodos estatísticos inferência bayesiana estatica e dinamica aplicada

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