This course will provide students with an introduction to the main multilateral and international rules, regimes and organizations governing trade and investment relations. By understanding the principles of international law and why governments have established regimes, intergovernmental organizations and adhered to their legal principles, students will gain a thorough appreciation of the important role these organizations, rules and regimes play in shaping and determining the flow of international trade and investment. The students will acquire knowledge on how these regimes and organizations govern relations among states, how they function, the roles of member governments and secretariat officials, how decisions are made and their consequences and how disputes are resolved. As a result, students should be able to identify how and why an international organization or regime 'can contribute to the resolution of specific problems faced by governments, firms, or NGOs as a result of international trade and investment.