Can rational choice modeling explain destructive behavior among the Taliban, Hama and other radical religious militias? This paper proposes a club good framework which emphasizes the function of voluntary religious organizations as efficient providers of local public goods in the absence of...

Historical accounts suggest that Jewish émigrés from Nazi Germany revolutionized U.S. science. To analyze the émigrés' effects on chemical innovation in the U.S. we compare changes in patenting by U.S. inventors in research fields of émigrés with fields of other German chemists. Patenting...

The Israeli Ultra-Orthodox population doubles each seventeen years. With 60 % of prime aged males attending Yeshiva rather than working, that community is rapidly outgrowing its resources. Why do fathers with families in poverty choose Yeshiva over work? Draft deferments subsidize Yeshiva...