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- Title
Produce patents or journal articles? A cross-country comparison of R&D productivity change.
- Authors
Chen, Chiang-Ping; Hu, Jin-Li; Yang, Chih-Hai
- Abstract
This paper compares R&D productivity change across countries considering the fact that national R&D expenditure may produce multiple outputs, including patents and journal articles. Based on the concept of directional distance function and Luenberger productivity index, this paper develops a Luenberger R&D productivity change (LRC) index and then decomposes it into R&D efficiency change (catch-up effect) and R&D technical change (innovation effect). Utilizing a panel dataset of 29 countries over the 1998-2005 period to implement the empirical estimation, the results show that the R&D productivity growth is mainly attributed to the innovation effect; meanwhile, non-OECD countries have better performance on both efficiency change and technical change than their OECD counterparts. Moreover, patent-oriented R&D productivity growth serves as the main source of national R&D productivity growth than the journal article-oriented one.
- Subjects
RESEARCH &; development; RESEARCH funding; PATENTS; CITATION indexes; BIBLIOGRAPHICAL citations; INDEXES
- Publication
Scientometrics, 2013, Vol 94, Issue 3, p833
- ISSN
0138-9130
- Publication type
Article
- DOI
10.1007/s11192-012-0811-9