Luigino Bruni is professor of political economy at LUMSA Universita, Rome. He is the author, most recently, of The Genesis and Ethos of the Market (2012) and Reciprocity, Altruism and Civil Society (2008) and co-editor, with Stefano Zamagni, of the Handbook on the Economics of Reciprocity and Social Enterprise (2013) and, with P. Porta, the Handbook of Happiness and Economics (2005).

Stefano Zamagni is professor of economics at the University of Bologna, and senior adjunct professor of international economics and vice director of Italian affairs at the School of Advanced International Studies, John Hopkins University, Bologna. His books include An Outline of the History of Economic Thought, with Ernesto Screpanti, (2005) and Markets, Money and Capital, coedited with Roberto Scazzieri and Amartya Sen (2009).