A "reciprocal dumping" model of international trade / James A. Brander and Paul R. Krugman -- Oligopoly in segmented markets / Shmuel Ben-Zvi and Elhanan Helpman -- Trade and the gains from trade with imperfect competition / James R. Markusen -- Import protection as expert promotion : international competition in the presence of oligopoly and economies of scale / Paul R. Krugman -- Trade restrictions as facilitating practices / Kala Krishna -- Tariff protection and imperfect competition / James A. Brander and Barbara J. Spencer -- Optimal trade and industrial policy under oligopoly / Jonathan Eaton and Gene M. Grossman -- Trade policy with increasing returns and imperfect competition : contradictory results from competing assumptions / James R. Markusen and Anthony J. Venables -- Optimal trade and industrial policies for the U.S. automobile industry / Avinash K. Dixit. Market access and international competition : a simulation study of 16K random access memories / Richard E. Baldwin and Paul R. Krugman -- Scale economies, product differentiation, and the pattern of trade / Paul R. Krugman -- Product differentiation and intraindustry trade / Avinash K. Dixit and Victor Norman -- International trade in the presence of product differentiation, economies of scale, and monopolistic competition : a Chamberlain-Heckscher-Ohlin approach / Elhanan Helpman -- National and international returns to scale in the modern theory of international trade / Wilfred J. Ethier -- Multinational corporations and trade structure / Elhanan Helpman -- The multinational firm / Wilfred J. Ethier -- Product development and international trade / Gene M. Grossman and Elhanan Helpman -- Economic integration and endogenous growth / Luis A. Rivera-Batiz and Paul M. Romer. A model of quality competition and dynamic comparative advantage / Gene M. Grossman.