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Star-Arrival Effects on Scientists’ Productivity: Does the Nature and Extent of Relatedness to the Star Matter?

Author

Listed:
  • John McHale
  • Jefferson R. B. Galetti
  • Jason Harold
  • Jen-Chung Mei
  • Akhil Sasidharan
  • Anil Yadav

Abstract

There is increasing interest in recruiting star scientists to catalyze clusters in targeted research areas. While star-arrival effects on incumbents’ productivity are often positive, we know less about how the relatedness between incumbents’ and stars’ knowledge intermediates the size of these effects. Using Scopus data on publications and citations, we find that incumbent productivity is insensitive to a fixed measure of relatedness at the time of arrival but is positively affected when relatedness changes after arrival. This distinction between “being related” and “becoming related” to the star matters. Results are robust across alternative measures of relatedness, output, and time windows.

Suggested Citation

  • John McHale & Jefferson R. B. Galetti & Jason Harold & Jen-Chung Mei & Akhil Sasidharan & Anil Yadav, 2026. "Star-Arrival Effects on Scientists’ Productivity: Does the Nature and Extent of Relatedness to the Star Matter?," Journal of Human Capital, University of Chicago Press, vol. 20(2), pages 223-260.
    • Handle: RePEc:ucp:jhucap:doi:10.1086/739419
    DOI: 10.1086/739419
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