Fonseca, Thaís C. O. da; Cerqueira, Vinícius dos Santos; … - 2016
heteroskedasticity (Garch) model with heavy tailed sampling distributions. In particular, we consider the Student-t model with unknown … estimation of model parameters in the Student-t Garch model are affected by small sample sizes, prior distributions and … the asymmetric Garch model with Student-t erros. In this context, the Student-t model is preferable for prediction in the …