C. Böhringer, A. Löschel: Introduction. - Part A: Policy Background: C. Böhringer, A. Löschel: Climate Policy.- N. Kouvaritakis, N. Stroblos, L. Paroussos, S. Tsallas: Trade Policy.- T. Taylor, A. Hunt, A. Markandya: Multilateral Environmental Agreements and the Trade and Environment Nexus. - Part B: Analytical Framework: C. Böhringer, A. Löschel, J. Francois: A Computable General Equilibrium Model for Climate and Trade Policy Analysis.- D. Willenbockel: Imperfect Competition: Modelling Alternatives and Sensitivity.- F. Eckermann, M. Stronzik, A. Hunt, T. Taylor: Risk and Transaction Costs.- M. Rauscher, B. Lünenbürger: Leakage. - Part C: Policy Simulations: C. Böhringer, A. Löschel: Climate Policies: Trade Spillovers, Joint Implementation and Technological Spillovers, Market Power, Investment Risks.- N. Kouvaritakis, N. Stroblos, L. Paroussos, S. Tsallas: Trade Liberalisation and Climate Policies.