----------------- HES POSTING ----------------- One of the "canonical" discussions may be found in Lionel Robbbins "On the Elasticity of Demand for Income in Terms of Effort", Economica, 10, (June 1930), 123-129. If I remember correctly there was some discussion of this model in: James M. Buchanan "The Backbending Supply Curve of Labor: An Example of Doctrinal Retrogression?" HOPE 3 (Fall 1971) 383-90. See also: Axel Leijonhufvud "The Backbending Supply Curve of Labor: Comment on Buchanan; With his Reply" HOPE 5 (1973) 261-67. Michael Ambrosi University of Trier ------------ FOOTER TO HES POSTING ------------ For information, send the message "info HES" to [log in to unmask]