Template-Type: ReDIF-Paper 1.0 Title: On the existence of arbitrage-free measures in contingent claim valuation Author-Name: Christopeit,Norbert Author-Name: Musiela,Marek Author-WorkPlace-Name: Christopeit:University of Bonn Musiela:University of New South Wales Classification-JEL: 311,314,313 Keywords: Financial markets,Portfolio strategy,Seminartingale theory, Martingale measure Series: Sonderforschungsbereich 303 Creation-Date: 1991-11 Handle: RePEc:bon:bonsfb:206