Abbreviated. 1.Introduction: Product innovation - on why and how it matters for firms and the economy (B.-A. Lundvall, J.L. Christensen). Part I: Perspectives on learning. 2. The economics of knowledge and learning (B.-A. Lundvall). 3. Societal institutions, learning organizations and innovation in the knowledge economy (A. Lam). 4. The managed interaction between innovation and learning and a complementary perspective (R. Lund). Part II: Product innovation and interactive learning. 5. Product innovation and economic theory - user-producer interaction in the learning economy (B.-A. Lundvall, A.L. Vinding). 6. The organization of actors' learning in connection with new product development (R. Lund). 7. Human resources; absorptive capacity and innovative performance (A.L. Vinding). Part III: Industrial relations, HRM and the organization of product innovation. 8. HRM complementarities and innovative performance in French and British industry (E. Lorenz, J. Michie, F. Wilkinson). 9. Learning, knowledge and competence building at employee level in the UK (M. Tomlinson). 10. Some Danish experiences related to the organization of new product development (R. Lund). Part IV: Knowledge institutions, interactive learning and product innovation. 11. Interaction between firms and knowledge institutions (A.L. Vinding). 12. Public-private collaboration on knowledge generation and application in new product development projects (I. Drejer, B.H. Jorgensen). 13. Inter- and intraorganizational learning processes in the interaction between firms and patent offices (J.L. Christensen). Part V: Product innovation and economic performance. 14. Does product innovation and firm growth go hand in hand? (T. Reichstein).