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The Contribution of International Graduate Students to US Innovation

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  • Gnanaraj Chellaraj
  • Keith E. Maskus
  • Aaditya Mattoo

Abstract

The impact of international students in the United States on innovative activity is estimated using a model of idea generation. Results indicate that the presence of foreign graduate students has a significant and positive impact on both future patent applications and future patents awarded to university and non-university institutions. Our central estimates suggest that a 10% increase in the number of foreign graduate students would raise patent applications by 4.5%, university patent grants by 6.8% and non-university patent grants by 5.0%. Thus, reductions in foreign graduate students from visa restrictions could significantly reduce US innovative activity. Increases in skilled immigration also have a positive, but smaller, impact on patenting. Copyright © 2008 The Authors. Journal compilation © 2008 Blackwell Publishing Ltd.

Suggested Citation

  • Gnanaraj Chellaraj & Keith E. Maskus & Aaditya Mattoo, 2008. "The Contribution of International Graduate Students to US Innovation," Review of International Economics, Wiley Blackwell, vol. 16(3), pages 444-462, August.
  • Handle: RePEc:bla:reviec:v:16:y:2008:i:3:p:444-462
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