Jean-Paul Carvalho is Associate Professor of Economics at the University of California, Irvine, USA.Sriya Iyer is Janeway Fellow in Economics and Affiliated Lecturer, University of Cambridge, UK; and Bibby Fellow and College Lecturer, St. Catharine’s College, Cambridge. She is the author of The Economics of Religion in India (Harvard University Press, 2018) and Demography and Religion in India (Oxford University Press, 2002).Jared Rubin is Associate Professor of Economics at the George L. Argyros School of Business and Economics in Chapman University, USA. He is author of Rulers, Religion, and Riches: Why the West Got Rich and the Middle East Did Not (Cambridge University Press, 2017).