Contributions of research and technical advance to the economy / Bruce L.R. Smith and Claude E. Barfield -- The evolution of U.S. science policy / Harvey Brooks -- Science, economic growth, and public policy / Richard R. Nelson and Paul. M. Romer -- Contributions of R&D to economic growth / Michael J. Boskin and Lawrence J. Ľau -- Contributions of new technology to the economy / Edwin Mansfield -- The private and social returns to research and development / Bronwyn H. Hall -- Quality of life returns from basic research / Susan E. Cozzens