Template-Type: ReDIF-Paper 1.0 Title: Some comments on a simple nonlinear filter Author-Name: Christopeit,Norbert Author-WorkPlace-Name: University of Bonn Classification-JEL: 211 Keywords: Statistics of random processes,Brownian motion,A Bayes- formula approach Series: Sonderforschungsbereich 303 Creation-Date: 1989-08 Handle: RePEc:bon:bonsfb:136