%0 Generic %A Maercker, Gisela %A Moser, Martin %C Heidelberg %D 1999 %F heidok:20781 %R 10.11588/heidok.00020781 %T Yule-Walker Type Estimators in GARCH(1,1) Models: Asymptotic Normality and Bootstrap %U https://archiv.ub.uni-heidelberg.de/volltextserver/20781/ %X We investigate GARCH(1,1) processes and first prove their stability.Using the representation of the squared GARCH model as an ARMA model wethen consider Yule-Walker type estimators for the parameters of theGARCH(1,1) model and derive their asymptotic normality.We use a residual bootstrap to define bootstrap estimators for theYule-Walker estimates and prove the consistency of this bootstrapmethod. Some simulation results will demonstrate the small sample behaviour ofthe bootstrap procedure.