classical criteria, as well as forecast combination techniques with constant and non-constant weights. With respect to the … standard GARCH specification, the non-linear models generally lead to better forecasts in terms of both smaller forecast errors … and lower biases. In-sample forecast combination regressions are better than those from single Mincer …

static forecasts, as well as different measures of forecast errors. Finally, we propose a new class of models which combine …

, while the ECM implies symmetric price transmission from crude oil to gasoline. We quantify the forecast accuracy gains due …