Latest Institution: Yale University
All Institutions: Yale University
Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.
Year: 1987
Journal: Journal of Industrial Economics
Authors: Wesley M. Cohen; Richard C. Levin; David C. Mowery
Year: 1989
Journal: RAND Journal of Economics
Authors: Richard C. Levin; Peter C. Reiss
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