Branstetter, Lee; Nakamura, Yoshiaki - 2021
This paper investigates changes in the output and productivity of research and development activities in Japanese … manufacturing firms over the 1980s and 1990s. Evidence from aggregate patent and R&D statistics and a micro-level analysis of R …&D productivity at the firm-level suggest that there has been a slowdown in the growth of Japanese research productivity in the 1990s …