HENK JAGER is Professor of International Economics at the University of Amsterdam, The Netherlands. He was visiting professor at the Catholic University Leuven, Anton de Kom University of Surinam, University of Michigan (Ann Arbor), and the University of Antwerp. He has published numerous articles in the field of international finance, has contributed to books and written for journals such as Journal of International Economics, Journal of International Money and Finance, European Economic Review, and Review of World Economics. He has also (co-)edited several books and special journal issues on wide-ranging topics as the economics of international security, the EMU and economic decision-making. CATRINUS JEPMAis Professor of Energy and Sustainability at the University of Groningen. From 1994 to 2007 he was (coordinating) lead author of the Intergovernmental Panel on Climate Change (IPCC), which was jointly awarded the 2007 Nobel Peace Prize. He is currently Scientific Director of the Energy Delta Gas Research Program and Scientific Director of the Energy Delta Institute, both in the Netherlands. He has lectured on international economics for over 25 years and is the author of several publications on issues related to international economics, energy and the environment.