Template-Type: ReDIF-Paper 1.0 Title: On the existence and characterization 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: : Keywords: Option pricing,Contingent claim valuation,Portfolio strategy,Martingale measures Series: Sonderforschungsbereich 303 Creation-Date: 1992-05 Handle: RePEc:bon:bonsfb:214