This text addresses the understanding and alleviation of poverty, inequality, and inequity using a unique and broad mix of concepts, measurement methods, statistical tools, software, and practical exercises. Most of the book’s measurement and statistical tools have been programmed in DAD, a well established and widely available free software program that has been tailored especially for income distribution analysis and is used by scholars, researchers, and analysts in nearly 100 countries worldwide. It requires basic understanding of calculus and statistics. There are examples and exercises using real data, and throughout the treatment of the subject is quantitative and rigorous.