Inter-industry technology flows in the United States

Invention and Economic Growth

1966 • 3,119 citations

Social and Private Rates of Return from Industrial Innovations*

1977 • 730 citations

Basic Research and Productivity Increase in Manufacturing.

1980 • 481 citations

Characteristics of innovative activities in British industry

1983 • 27 citations

Canadian patent data base

1981 • 20 citations