Part I Theoretical Developments: Green preferences as regulatory policy instrument, Timothy J. Brennan; Voluntary eco-labelling and the price premium, Roger A Sedjo and Stephen K Swallow; Eco-labelling and non-product-related process and production methods, Y.-H. Ahn and B.-H. Ahn; Can labelling policies do more harm than good? An analysis applied to environmental labelling schemes, Douadia Bougherara, Gilles Grolleau and Luc Thi' Ebaut; Overcompliance, labelling and lobbying: the case of credence goods, S. Engel; Environmental competition and eco-labelling, G Amacher, E. Kosela, M. Ollikainen and M. Fina; Eco-certification, differentiation and upstream market power, L. Ibanez and J. Laye; Eco-labelling seafood for sustainable production: implications for fisheries management, Eyjolfur Gudmundsson and Cathy R. Wessells. Part II Empirical Indications of Effectiveness: Eco-labels for credence attributes: the case of shade-grown coffee, Bruce A. Larson; China's environmental labelling program, J. Zhao and Q. Xia; Eco-labelling for energy efficiency and sustainability: a meta-evaluation of US programs, A. Banerjee and B.D. Solomon; Can eco-labels tune a market? evidence from dolphin-safe labelling, Mario F. Teisl, B. Roe and R.L. Hicks; Environmental labelling and consumers' choice - an empirical analysis of the effect of the Nordic Swan, T.B. Bjorner, L.G. Hansen and C.S. Russell; Are eco-labels valuable? evidence from the apparel industry, W. Nimon and J. Beghin. Part III Factors Impacting the Success and Design of Eco-Labelling Programs: Designing eco-labels in order to mitigate market failures: an application to agrofood products, D. Bougherara and G. Grolleau; What we may have is a failure to communicate: labelling environmentally certified forest products, M.F. Teisl; Product-related environmental information to guide consumer purchases: a review and analysis of research perceptions, understanding and use among Nordic consumers, C. Leire and A. Thidell Psychological determinants of paying attention to eco-labels in purchase decisions: model development and multinational validation, J. Thogersen; The impact of environmental labelling on consumer preference: negative versus positive labels, G. Grankvist, U Dahlstrand and A. Biel; A contingent choice analysis of eco-labelled seafood: comparing consumer preferences in the United States and Norway, R.J. Johnston, C.R. Wessells, H. Donath and F. Asche; Forest certification (eco-labelling) programs and their policy-making authority: explaining divergence among North American and European case studies, Benjamin Cashore, Graeme Auld and Deanna Newsom; Information as a regulatory instrument to price biodiversity benefits: certification and eco-labelling policy practices, P. Nunes and Y. Rianto; Eco-labelling of electricity - strategies and tradeoffs in the definition of environmental standards, B. Truffer, J. Markard and R. Wustenhagen; The use of eco-labelling like initiatives on food products to promote quality assurance - is there enough credibility?, H. Nilsson, B. Tuncer and A. Thidell. Part IV International Dimensions of Environmental Labelling: Eco-labelling and stages of development, K. Basu Arnab; Nancy H. Chau and Ulrika Grote; Eco-Labelling and the trade-environment debate, Peter Robertson; On export rivalry and the greening of agriculture - the role of eco-labels, K.Basu Arnab, Nancy H. Chau and Ulrike Grote; Eco-labelling scheme, environmental protection, and protectionism, H. Tian; Index.