1. Contributions of Research and Technical Advance to the Economy / Bruce L. R. Smith and Claude E. Barfield -- 2. The Evolution of U.S. Science Policy / Harvey Brooks -- 3. Science, Economic Growth, and Public Policy / Richard R. Nelson and Paul M. Romer -- 4. Contributions of R&D to Economic Growth / Michael J. Boskin and Lawrence J. Lau -- 5. Contributions of New Technology to the Economy / Edwin Mansfield -- 6. The Private and Social Returns to Research and Development / Bronwyn H. Hall -- 7. Quality of Life Returns from Basic Research / Susan E. Cozzens