J. Edward Taylor is Professor of Agricultural and Resource Economics and Director of the Center on Rural Economies of the Americas and Pacific Rim (REAP) at the University of California, Davis, where he teaches courses on international development economics and econometric methods. He is also co-editor of the American Journal of Agricultural Economics and founder of the alternative textbook initiative, RebelText.org. Taylor has written extensively on the economy-wide impacts of agricultural and development policies and on immigration. He co-authored Village Economies: The Design, Estimation and Use of Villagewide Economic Models (Cambridge University Press) and Worlds in Motion: Understanding International Migration at the End of the Millenium (Oxford University Press). He is listed in Who's Who in Economics and has advised a number of foreign governments and international development agencies on matters related to economic development. Mateusz J. Filipski is a Research Fellow at the International Food Policy Research Institute (IFPRI) in Washington, DC, where he is part of the Development Strategy and Governance Division. He is a graduate of the department of Agricultural and Resource Economics at the University of California, Davis. Before joining IFPRI, he was a consultant for the Organization for Economic Cooperation and Development (OECD). He has authored or co-authored a number of publications on impact evaluation of rural development programs and policies, and routinely works as a reviewer for the leading journals in the field.