Galbraith, John - Centre Interuniversitaire de Recherche en Analyse des … - 1999
processes add nothing to the forecast implicit in the conditional mean. We refer to this as the content horizon for forecasts …, and define a forecast content function at horizons s = 1, ... S as the proportionate reduction in mean squared forecast … error available from a time series forecast relative to the unconditional mean. This function depends upon parameter …