期刊
ECONOMICS LETTERS
卷 105, 期 1, 页码 141-143出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.econlet.2009.06.020
关键词
Patents; Research; Development; Knowledge production function
类别
Many studies investigate the relationship between R&D and patents applying knowledge production functions. Using aggregated R&D may underestimate the productivity of 'R', as mainly 'R' but not 'D' leads to patents. Disaggregating 'R' and 'D' shows a significant premium of 'R' towards patenting. (C) 2009 Elsevier B. V. All rights reserved.
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