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Author (up) Cohen, W.M.; Klepper, S. openurl 
  Title The Anatomy of Industry R&D Intensity Distributions Type Journal Article
  Year 1992 Publication American Economic Review Abbreviated Journal  
  Volume 82 Issue 4 Pages 773-99  
  Corporate Author Thesis  
  Address Carnegie Mellon U; Carnegie Mellon U  
  Keywords Management of Technological Innovation and R&D (O320); Research and Development (6212); U.S.; R&D  
  Abstract Using firm data disaggregated by industry, the authors establish a set of regularities in the distribution of firm R&D intensities within manufacturing industries. The authors show how a simple probabilistic process, in which change influences a key unobserved determinant of R&D and firm size conditions the returns to R&D, can account for these regularities and other features of the distributions. The model provides a unified, noncausal explanation of a series of long-observed relationships across mean R&D intensity, market concentration, and the coefficient of variation. It also offers a novel explanation for the inverse relationship between R&D productivity and firm size.  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0002-8282 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number CMU @ sk3f @ Serial 18  
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