1. Regionalism and multilateral tariff cooperation;Bagwell,1997
2. Multilateral tariff cooperation during the formation of a customs union;Bagwell;Journal of International Economics,1997
3. A domino theory of regionalism;Baldwin,1995
4. Regionalism and multilateralism: an overview;Bhagwati,1993
5. Preferential trading areas and multilateralism: Strangers, friends, or foes;Bhagwati,1996