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
National Chiao Tung University
Keywords: R&D productivity change;Patents;Journal articles
Issue Date: 1-Mar-2013
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.
URI: http://dx.doi.org/10.1007/s11192-012-0811-9
ISSN: 0138-9130
DOI: 10.1007/s11192-012-0811-9
Volume: 94
Issue: 3
Begin Page: 833
End Page: 849
Appears in Collections:Articles

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