Professor Mark Killingsworth is an economics professor at Rutgers University. He was previously on the faculty of Barnard College and Fisk University. His research focuses on labor economics. He is the author of Labor Supply and The Economics of Comparable Worth, has been the editor or co-editor of several books, and has published numerous papers in economics journals. He has testified on immigration reform and comparable worth before committees of the U.S. Congress, and has been a consultant to U.S. District Judge Robert L. Carter, the Canadian Department of Justice, and the U.S. Departments of Justice and Labor. Killingsworth was an undergraduate at the University of Michigan, and received the M.Phil. and D.Phil. degrees from the University of Oxford, where he was a Rhodes Scholar. His recent work has been concerned with family members' labor force participation decisions, labor-market influences on fertility, and the effect of childhood religious instruction on adult earnings.