Research Productivity in a System of Universities

  • James D. Adams
  • Zvi Griliches
Chapter

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.

Keywords

Research Productivity Private School Research Output Field Level Advanced Degree 
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

© Springer Science+Business Media Dordrecht 2000

Authors and Affiliations

  • James D. Adams
    • 1
  • Zvi Griliches
    • 2
  1. 1.University of Florida, NBERUSA
  2. 2.Harvard University, NBERUSA

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