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R & D, Knowledge, and Externalities: An Approach to the Puzzle of Disparate Productivity Growth Rates Among Manufacturing Industries

  • Richard R. Nelson
Part of the International Economic Association Publications Series book series (IEA)

Abstract

In several other papers I have commented upon the considerable dispersion in rates of productivity growth across manufacturing industries. Without question these differences are due largely to differences in the pace of technological progress, which in turn reflect disparities in R & D spending and in the effectiveness of R & D. The question addressed in this paper is this: What explains these variations in R & D inputs and effectiveness?2

Keywords

Productivity Growth Product Attribute Knowledge Externality Patent Protection Thermodynamic Cycle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© International Economic Association 1980

Authors and Affiliations

  • Richard R. Nelson
    • 1
  1. 1.Institution for Social and Policy StudiesYale UniversityUSA

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