TY - CHAP A1 - Koopman, S.J. A1 - Ooms, M. T1 - Forecasting economic time series using unobserved components time series models Y1 - 2011 A3 - Clements, M.P. A3 - Hendry, D.F. T2 - The Oxford handbook of economic forecasting CY - Oxford PB - Oxford University Press ER -