The economics of invention and innovation : with a case study of the development of the hovercraft / P.S. Johnson.

1. Technological change; 2. The process of invention; 3. Size of firm, invention and innovation; 4. Competition in innovation; 5. Scientists and engineers : their supply and demand; 6. The government's role; 7. Technological change industry; 8. Co-operative industrial research; 9. The universities' contribution; 10. The background to the study; 11. Hovercraft production, operations and markets; 12. The individual inventor; 13. The technical development of the air cushion principle; 14. The development of the industry; 15. Public involvement; 16. Conclusions on the case study.