- CONTENTS
- Acknowledgements = ⅶ
- Introduction = ⅸ
- PART Ⅰ INDUSTRIAL INNOVATION
- 1 'Social and Private Rates of Return from Industrial Innovations'(with John Rapoport, Anthony Romeo, Samuel Wagner and George Beardsley), Quarterly Journal of Economics, 91 (May 1977), pp.221-40. = 3








