Introduction / Zvi Griliches
Who does R & D and who patents? / John Bound, Clint Cummins, Zvi Griliches, Bronwyn H. Hall, and Adam Jaffe
Patents and R & D at the firm level: a first look / Ariel Pakes and Zvi Griliches
The rate of obsolescence of patents, research gestation lags, and the private rate of return to research resources / Ariel Pakes and Mark Schankerman
International invention: implications for technology market analysis / Robert E. Evenson
R & D and innovation: some empirical findings / Edwin Mansfield
Long-run trends in patenting / John J. Beggs
Tests of a Schumpeterian model of R & D and market structure / Richard C. Levin and Peter C. Reiss
An exploration into the determinants of research intensity / Ariel Pakes and Mark Schankerman
Firm versus industry variability in R & D intensity / John T. Scott
Market value, R & D, and patents / Zvi Griliches
Patents, R & D, and the stock market rate of return: a summary of some empirical results / Ariel Pakes
R & D and the market value of the firm: a note / Andrew B. Abel
An extended accelerator model of R & D and physical investment / Jacques Mairesse and Alan K. Siu
The R & D and investment decision and its relationship to the firm's market value: some preliminary results / Uri Ben-Zion
Investment in R & D, costs of adjustment, and expectations / Mark Schankerman and M. Ishaq Nadiri
Productivity and R & D at the firm level / Zvi Griliches and Jacques Mairesse
Productivity and R & D at the firm level in French manufacturing / Philippe Cuneo and Jacques Mairesse
Productivity growth and R & D at the business level: results from the PIMS data base / Kim B. Clark and Zvi Griliches
Using linked patent and R & D data to measure interindustry technology flows / Frederic M. Scherer
R & D and productivity growth at the industry level: is there still a relationship? / Zvi Griliches and Frank Lichtenberg.