Tzougas, George - In: Risks : open access journal 8 (2020) 3/97, pp. 1-23
This article presents the Poisson-Inverse Gamma regression model with varying dispersion for approximating heavy … for maximum likelihood (ML) estimation of the Poisson-Inverse Gamma regression model with varying dispersion. The …. Finally, both the a priori and a posteriori, or Bonus-Malus, premium rates that are determined by the Poisson-Inverse Gamma …