François Bourguignon is Emeritus Professor of economics, Paris School of Economics, and School of Advanced Studies in Social Sciences (EHESS), Paris. He is Former Chief Economist and Senior Vice President of the World Bank and the Co-founder of the European Development Network. His awards include Dan David Prize and CNRS silver medal. Jean-Philippe Platteau is Emeritus Professor of economics, University of Namur, Belgium. At this university, he has been a long-time director of the Centre for Research in the Economics of Development (CRED) which he founded. He held two Franqui chairs at the Free University of Brussels and the Katholieke University of Leuven. He is also the Co-founder of the European Development Network (EUDN).