Market imperfection and excess capacity, Nicholas Kaldor; Professor Chamberlin on monopolistic and imperfect competition, Nicholas Kaldor; Chamberlin versus Chicago, G.C. Archibald; more on Archibald versus Chicago, Milton Friedman; reply to Chicago, G.C. Archibald; the theory of monopolistic competition after thirty years, Joe S. Bain; the genesis of Chamberlinian monopolistic competition theory, Thomas P. Reinwald; of factor and commodity markets - a note on E.H. Chamberlin, A.S. Skinner; research programmes in competitive structures, D.P. O'Brien; E.H. Chamberlin - the origins and development of monopolistic competition, Andrew S. Skinner; the history of the theory of the firm from Marshall to Robinson and Chamberlin - the source of positivism in economics, Scott Moss; the marginalist controversy and the demise of full cost pricing, Frederic S. Lee; the genesis of Chamberlinian monopolistic competition theory - addendum, with a comment by Thomas P. Reinwald, Charles P. Blitch and Thomas P. Reinwald; Edward Chamberlin - the theory of monopolistic competition - a re-orientation of the theory of value, Andrew S. Skinner; the theory of monopolistic competition - E.H. Chamberlin's influence on industrial organization theory over sixty years, R. Rothschild.