Mark Isaac is the John and Hallie Quinn Eminent Scholar in the Department of Economics at Florida State University. He received his PhD from CalTech in 1981, and was previously on the faculty of the University of Arizona. His research interests include experimental economic methods, industrial organization, public goods, and religion and economics. Douglas A. Norton is a second year PhD student at Florida State University, USA. He has published in journals such as: Experimental Economics and Public Choice. He is a Series Co-Editor for Research in Experimental Economics with Mark Isaac.