J. Edward Taylor is Professor of Agricultural and Resource Economics and Director of the Rural Economies of the Americas Program (REAP) at the University of California, Davis. He was coeditor of the "American Journal of Agricultural Economics" and has written extensively on the economy-wide impacts of agricultural and development policies. His publications include "Beyond Experiments in Development Economics: Local Economy-wide Impact Evaluation"; "Village Economies: The Design, Estimation, and Use of Villagewide Economic Models"; and "Worlds in Motion: Understanding International Migration at...