Monopolistic Competition and General Equilibrium Theory By Robert Triffin Books / Hardcover Social Science › Philosophy Publisher: Harvard Press, January 1971 Price $25.04 Free Shipping Send to a friend Used - Good Good condition. No Dust Jacket Owner's name on inside. (Economics) $25.04 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.