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Inventor Mobility and Knowledge Transmission in Nanotechnology

Jinyoung Kim (), Sangjoon John Lee and Gerald Marschke ()
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Sangjoon John Lee: Alfred University

No 1004, Discussion Paper Series from Institute of Economic Research, Korea University

Abstract: Using U.S. patent records in nanotechnoloy, we study the relationship between inventor mobility among firms and knowledge diffusion. We find evidence consistent with a story that, in one important nanotechnology subfield, when inventors move among firms they spread knowledge. In particular, we find that if we consider any two patents in the "Chemicals, misc." subclass, A and B, where A and B are assigned to different firms and where A is granted after B, patent A is more likely to cite patent B if the patent A firm employs an inventor who earlier worked for the patent B firm.

Keywords: Nanotechnology, Patents; Innovations; Knowledge spillovers (search for similar items in EconPapers)
JEL-codes: J62 O31 O33 (search for similar items in EconPapers)
Date: 2010
New Economics Papers: this item is included in nep-ino, nep-ipr, nep-pr~ and nep-knm
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