This two-volume collection examines the major developments in growth theory over the past decade. Key papers by leading scholars cover new trends in theoretical and empirical research. The first volume shows how new research has improved our understanding of the empirical patterns of economic growth and has posed new challenges for theory. The second volume contains articles which have pushed the theory of economic growth in new directions and work which has responded to the challenges raised by empirical research.The editor has written an authoritative introduction which presents a comprehensive overview of the selected papers.