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Research Productivity in a System of Universities

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  • James D. Adams
  • Zvi Griliches

Abstract

This paper considers research performance of U.S. universities for eight science fields. At the aggregate level we find that research output follows a constant returns to scale process. However, for individual universities we find evidence of diminishing returns. We offer two explanations for these differing results. First, data errors are more important at the individual level. Second, research spillovers exist between universities and fields that are captured only at the aggregate level.

Suggested Citation

  • James D. Adams & Zvi Griliches, 1998. "Research Productivity in a System of Universities," Annals of Economics and Statistics, GENES, issue 49-50, pages 127-162.
    • Handle: RePEc:adr:anecst:y:1998:i:49-50:p:127-162
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    File URL: http://www.jstor.org/stable/20076113
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    JEL classification:

    • D3 - Microeconomics - - Distribution
    • L3 - Industrial Organization - - Nonprofit Organizations and Public Enterprise

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