Jean-Marie Baland is professor of economics at the University of Namur. He is the coeditor of Inequality, Cooperation, and Environmental Sustainability (Princeton). François Bourguignon is emeritus professor of economics at the Paris School of Economics, where he was previously director. He is the author of The Globalization of Inequality (Princeton). Jean-Philippe Platteau is professor emeritus of economics at the University of Namur. He is the author of Islam Instrumentalized. Thierry Verdier is professor of economics at the Paris School of Economics, École des Ponts Paris Tech, and Pontifical Catholic University of Rio de Janeiro. He is the coeditor of The Organization of Firms in a Global Economy.