Template-Type: ReDIF-Paper 1.0 Title: On the characterization of the optimal nonlinear income tax Author-Name: Ebert,Udo Author-WorkPlace-Name: University of Bonn Classification-JEL: Keywords: Optimal nonlinear income tax,Welfare maximization,density functions Series: Sonderforschungsbereich 303 Creation-Date: 1986-06 Handle: RePEc:bon:bonsfa:65