Chong Xiang is a professor of economics at Purdue University in Lafayette, Ind. He is conducting a research project, “The Global Marketplace for Christianity,” through a grant from the University of Southern California’s Pentecostal and Charismatic Research Initiative.

Gordon Hanson is a professor of economics and holds the Pacific Economic Cooperation Chair in International Economic Relations at the University of California at San Diego. He is conducting a research project, “The Global Marketplace for Christianity,” through a grant from the University of Southern California’s Pentecostal and Charismatic Research Initiative.