Tariff adjustments in preferential trade agreements / Eric W. Bond, Constantinos Syropoulos -- More (or less) on necessarily welfare-enhancing free trade areas / Martin Richardson, Niven Winchester -- Pareto-improving trading clubs without income transfers / Kazumichi Iwasa, Raymond Riezman, Koji Shimomura -- Trade liberalization as a game of decision under uncertainty / Henry Wan, Yinggang Zhou -- The contribution of Murray Kemp to the discipline of international trade and welfare economics / Binh Tran-Nam -- The gains from trade and refusal to trade / Arye L. Hillman -- A two-country model of international trade with increasing returns and oligopoly / Kenji Fujiwara, Nobuhito Suga, Makoto Tawada -- Tariff policy and foreign economic aid for the economy with a monopolistically competitive nontraded industry and capital inflow / Masayuki Okawa -- Infrastructure aid and deindustrialization in developing countries / E. Kwan Choi, Jai-Young Choi -- Environmental regulations for a small open economy with tourism / Chi-Chur Chao, Bharat R. Hazari, Jean-Pierre Laffargue, Eden S.H. Yu -- Comparative advantage and trade liberalization in a Chamberlinian-Ricardian Model / Toru Kikuchi, Koji Shimomura -- The WTO and the world economy : a welfare-theoretic perspective / Michihiro Ohyama -- Outsourcing and import restriction policies / Kai-Hsi Chu, Kar-yiu Wong -- Liberalization of government procurements : competition from foreign firms / Ngo Van Long -- Normative comparisons of customs unions and other types of free trade association / Murray C. Kemp -- A free trade area and its neighbor's welfare : a revealed preference approach / Masahiro Endoh, Koichi Hamada, Koji Shimomura -- Introduction / Binh Tran-Nam, Ngo Van Long, Makoto Tawada.