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).