Bertin Martens is an economist at the European Commission in Brussels. He has worked for various foreign aid organizations, including United Nations agencies and the European Commission, and he is a member of the International Society for New Institutional Economics. Professor Uwe Mummert is a researcher at the Max Planck Institute for Research into Economic Systems in Jena, Germany. Peter Murrell is Professor of Economics at the University of Maryland and currently holds a Chair on the Academic Council of the IRIS Center. He is the author of The Nature of Socialist Economies and Assessing the Value of Law in the Transition to Socialism, and is a contributor to various journals, including the American Economic Review and the Journal of Comparative Economics. Paul Seabright is Professor of Economics at the University of Toulouse. His many publications have focused on theoretical and applied microeconomics, and he is currently a Research Fellow at the Centre for Economic Policy Research.