His research interests include economic development and conflict, the economics of religion, and labor economics. Grants from the National Science Foundation, Homeland Security and the Defense Department have enabled him to study religion, fertility, governance, and insurgency. His latest publications are “Religion, Terrorism, and Public Goods: Testing the Club Model,” with David Laitin, in the Journal of Public Economics (2008), and “The Economics of Religion,” with Laurence Iannaccone, in the New Palgrave Encyclopedia of Economics. Berman received his Ph.D. in economics from Harvard University. He twitters a real time annotated bibliography at “clubmodel.”