Edwin Mansfield: An Appreciation -- Innovation, Technology, and Economic Growth -- Flexibility and Endogenous Innovation -- Schumpeter and the Micro-foundations of Endogenous Growth -- Technology and Technology Transfer: Mansfieldian Inspirations and Subsequent Developments -- Welfare Implications of User Innovation -- Underinvestment in Public Good Technologies -- Evaluating Public Sector R&D Programs: The Advanced Technology Program’s Investment in Wavelength References for Optical Fiber -- Research and Development and Innovation -- Industrial R&D Laboratories: Windows on Black Boxes? -- Public Policy and Environmental Research and Development -- The Importance of R&D for Innovation: A Reassessment Using French Survey Data -- University R&D and Firm Productivity: Evidence from Italy -- Reflections on Mansfield, Technological Complexity, and the “Golden Age” of U.S. Corporate R&D -- The Welfare Effects of Research and Production Joint Ventures -- Research Joint Ventures in the United States: A Descriptive Analysis -- Patenting and the Diffusion of Knowledge -- Exploring the Patent Explosion -- The University and the Start-Up: Lessons from the Past Two Decades -- Patents and Appropriation: Concerns and Evidence -- The Bayh-Dole Act of 1980 and University-Industry Technology Transfer: A Model for Other OECD Governments? -- Financing Constraints in the Inter Firm Diffusion of New Process Technologies -- Ed Mansfield and the Diffusion of Innovation: An Evolutionary Connection -- Mansfield’s Missing Link: The Impact of Knowledge Spillovers on Firm Growth -- Predictable Cross-Industry Heterogeneity in Industry Dynamics -- Mansfield’s Innovation in the Theory of Innovation -- Modeling the Impact of Technical Change on Emissions Abatement Investments in Developing Countries.Edwin Mansfield was a research pioneer into the economics of R and D and technological change. As appreciation and remembrance for his scholarly contributions, eminent scholars have contributed original papers for this edited volume. The authors have followed the "Mansfieldian” approach of emphasizing economic insight and intuition over mathematical rigor and as a result are very accessable. Essays in Honor of Edwin Mansfield has the potential to serve as a reader in all advanced undergraduate and graduate classes/seminars in the economics of R and D and technological change. This edited volume will be the definitive work in the field.