Myra Mohnen, University of Ussex

Stars and Brokers: Knowledge Spillovers among Medical Scientists
lundi 14 janvier 2019 à 11 h 30 13 h 00
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Catherine Deri Armstrong
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Scientists are embedded in a community in which knowledge is shared. While the importance of peer effects in science is well-established, the focus of this paper is novel in that it studies the influence of network position on these effects. Using a new measure, brokerage degree, I show that network position is crucial in determining scientific production by facilitating access to other scientists’ non-redundant knowledge through coauthorship links. Identification results from variation in the position of stars who died unexpectedly. Heterogeneity in treatment effects - losing a star-coauthor - is on the same order of magnitude as average treatment effects.