The Diversity of R&D Consortia and Firm Behavior: Evidence from Japanese Data

Mariko Sakakibara

Journal of Industrial Economics, 2001, vol. 49, issue 2, 181-196

Abstract: An empirical analysis of Japanese government‐sponsored R&D consortia involving 213 firms over 13 years shows that the diversity of a consortium is associated with greater R&D expenditure by participating firms. Diversity is alternatively measured by the Montgomery [1982] index, based on 3‐digit SIC codes, and Branstetter and Sakakibara’s [1998] modification of the Jaffe [1986] patent portfolio based index.

Date: 2001
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