Asai, Manabu; McAleer, Michael - 2018
The paper develops a new realized matrix-exponential GARCH (MEGARCH) model, which uses the information of returns and … function to develop news impact curves. We consider Bayesian MCMC estimation to allow non-normal posterior distributions. For … three US financial assets, we compare the realized MEGARCH models with existing multivariate GARCH class models. The …