Template-Type: ReDIF-Paper 1.0 Title: Variance optimal hedging in discrete time Author-Name: Schweizer,Martin Author-WorkPlace-Name: University of Goettingen Classification-JEL: 90A09,49A60,60K30 Keywords: Hedging,Financial mathematics,Contingent claims,Mean variance criterion,Signed martingale measures Series: Sonderforschungsbereich 303 Creation-Date: 1993-02 Handle: RePEc:bon:bonsfb:247