Paul Stoneman is currently Research Professor and Head of the Technological Innovations Research Unit at Warwick Business School. Formerly a Reader in Economics at Warwick he has published extensively on aspects of the Economics of Technological Change and Technology Policy. In addition to his research activities he has also acted as an adviser and consultant to both government and private companies on technology-related issues.

• 1. Introduction: Paul Stoneman (University of Warwick). 2. Patterns of Technological Change: Pari Patel and Keith Pavitt (both University of Sussex).3. R & D and Productivity: Econometric Results and Econometric and Measurement Issues: Zvi Griliches (Harvard University).4. Markets for Technology: Knowledge, Innovation and Appropriability: Paul Geroski (London Business School).5. Game-Theoretic Approaches to the Modelling of Technological Change: John Beath, Yannis Katsoulacos and David Ulph (Respectively University of St. Andrews, Athens University and University College London).6. Empirical Studies of Innovative Activity and Performance: Wes Cohen (Carnegie Mellon University).7. Technological Diffusion: Massoud Karshenas and Paul Stoneman (University of London and University of Warwick).8. Finance and Technological Change: Alan Goodacre and Ian Tonks (University of Stirling and London School of Economics).9. Technological Change in International Trade: Paul Krugman (MIT).10. Employment and Technological Change: Pascal Petit (University of Paris).11. The Economic Foundations of Technology Policy: Equilibrium and Evolutionary Perspectives: Stan Metcalfe (University of Manchester).12. The Practice of Technology Policy: David Mowery (University of California at Berkeley).13. Concluding Remarks: Paul Stoneman (University of Warwick).