walk as we noticed that certain multivariate models (which included prices of silver, platinum, palladium and rhodium … forecasting horizons. Moreover, we find that the univariate models used in this paper are able to outperform the Bayesian … autoregression, and Bayesian vector autoregressive models, with exponential smoothing (ETS) reporting statistically significant …

linear model (such as random walk) but also the Bayesian model averaging (BMA) model for examining possible predictors of the …