Abstract
The applicability of the Bradford law to the R&D expending of firms is examined and its usefulness is proved. It successfully identifies core firms, peripheral firms and minor firms. It also provides a measure to evaluate the degree of R&D concentration to a small number of firms.
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Eto, H. Bradford law in R&D expending of firms and R&D concentration. Scientometrics 6, 183–188 (1984). https://doi.org/10.1007/BF02016761
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DOI: https://doi.org/10.1007/BF02016761