1. Tariff protection and imperfect competition;Brander James,1981
2. Tariffs and the extraction of foreign monopoly rents under potential entry;Brander James;Canadian Journal of Economics,1984
3. Tariffs, quotas, retaliation and the welfare loss from protectionism in a framework with intra-industry trade;Gros,1986
4. International trade in the presence of product differentiation, economies of scale, and monopolistic competition;Helpman;Journal of International Economics,1984
5. Market structure and foreign trade;Helpman,1985