----------------- HES POSTING ----------------- I have touched on this question in my paper, "Accounting for involuntary unemployment in neoclassical theory: some lessons from sixty years of uphill struggle" in Backhouse and alii eds. Economics and Methodology: Crossing Boundaries, McMillan 1998 Michel DE VROEY ------------ FOOTER TO HES POSTING ------------ For information, send the message "info HES" to [log in to unmask]