Which Peers Matter? The Relative Impacts of Collaborators, Colleagues, and Competitors
Many economists believe knowledge production generates positive spillovers among knowledge producers. The available evidence, however, is mixed. We argue that spillovers can exist along three dimensions (idea, geographic, and collaboration space). To isolate the key channel through which knowledge spills over, we use a unique data set to examine the impact of a large post-1992 exodus of Soviet mathematicians on the output of the non-émigrés. Although the data reveal strong competitive effects in idea space, there is evidence of knowledge spillovers in collaboration space, when high-quality researchers directly engage with other researchers in the joint production of new knowledge.
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- George J. Borjas & Kirk B. Doran, 2012.
"The Collapse of the Soviet Union and the Productivity of American Mathematicians,"
NBER Working Papers
17800, National Bureau of Economic Research, Inc.
- George J. Borjas & Kirk B. Doran, 2012. "The Collapse of the Soviet Union and the Productivity of American Mathematicians," The Quarterly Journal of Economics, Oxford University Press, vol. 127(3), pages 1143-1203.
- Doran, Kirk & Borjas, George J., 2012. "The Collapse of the Soviet Union and the Productivity of American Mathematicians," Scholarly Articles 8160722, Harvard Kennedy School of Government.
- Borjas, George J. & Doran, Kirk B., 2012. "The Collapse of the Soviet Union and the Productivity of American Mathematicians," Working Paper Series rwp12-004, Harvard University, John F. Kennedy School of Government.
- Kirk Doran & Kirk Doran, 2012. "The Collapse of the Soviet Union and the Productivity of American Mathematicians," Working Papers 002, University of Notre Dame, Department of Economics, revised Jul 2012.
- Sari Pekkala Kerr & William R. Kerr, 2013. "Immigration and Employer Transitions for STEM Workers," American Economic Review, American Economic Association, vol. 103(3), pages 193-97, May.
- Jeffrey Grogger & Gordon H. Hanson, 2013. "Attracting Talent: Location Choices of Foreign-Born PhDs in the US," NBER Working Papers 18780, National Bureau of Economic Research, Inc.
- Chiara Franzoni & Giuseppe Scellato & Paula Stephan, 2012. "The Mover's Advantage: Scientific Performance of Mobile Academics," NBER Working Papers 18577, National Bureau of Economic Research, Inc.
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