Book excerpt: Volumes 2A and 2B of The Handbook of Economic Growth summarize recent advances in theoretical and empirical work while offering new perspectives on a range of growth mechanisms, from the roles played by institutions and organizations to the ways factors beyond capital accumulation and technological change can affect growth. Written by research leaders, the chapters summarize and evaluate recent advances while explaining where further research might be profitable. With analyses that are provocative and controversial because they are so directly relevant to public policy and private decision-making, these two volumes uphold the standard for excellence in applied economics set by Volumes 1A and 1B (2005). - Offers definitive theoretical and empirical scholarship about growth economics - Empowers readers to evaluate the work of other economists and to plan their own research projects - Demonstrates the value of empirical testing, with its implicit conclusion that our understanding of economic growth will help everyone make better decisions