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The effects of double-counting and expensing on the measured returns to R & D
Schankerman, Mark - In: The review of economics and statistics 63 (1981) 3, pp. 454-458
Persistent link: https://www.econbiz.de/10002748306
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Roads and innovation
Agrawal, Ajay; Galasso, Alberto; Oettl, Alexander - In: The review of economics and statistics 99 (2017) 3, pp. 417-434
Persistent link: https://www.econbiz.de/10011793203
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Spreading the word : geography, policy, and knowledge spillovers
Belenzon, Sharon; Schankerman, Mark - In: The review of economics and statistics 95 (2013) 3, pp. 884-903
Persistent link: https://www.econbiz.de/10009792951
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Spreading the Word: Geography, Policy, and Knowledge Spillovers
Belenzon, Sharon; Schankerman, Mark - In: The review of economics and statistics 95 (2013) 3, pp. 884-903
Persistent link: https://www.econbiz.de/10010158915