scholarly journals Intellectual Capital and the Firm: The Technology of Geographically Localized Knowledge Spillovers

10.3386/w4946 ◽  
1994 ◽  
Author(s):  
Lynne Zucker ◽  
Michael Darby ◽  
Jeff Armstrong
2015 ◽  
Author(s):  
Kristy Buzard ◽  
Gerald A. Carlino ◽  
Robert M. Hunt ◽  
Jake Carr ◽  
Tony E. Smith

2020 ◽  
Vol 81 ◽  
pp. 103490
Author(s):  
Kristy Buzard ◽  
Gerald A. Carlino ◽  
Robert M. Hunt ◽  
Jake K. Carr ◽  
Tony E. Smith

2010 ◽  
Vol 4 (4) ◽  
pp. 323-339 ◽  
Author(s):  
Alfonso Gambardella ◽  
Marco S. Giarratana

2014 ◽  
Vol 96 (5) ◽  
pp. 967-985 ◽  
Author(s):  
Yasusada Murata ◽  
Ryo Nakajima ◽  
Ryosuke Okamoto ◽  
Ryuichi Tamura

2020 ◽  
Vol 12 (2) ◽  
pp. 278-302 ◽  
Author(s):  
Ina Ganguli ◽  
Jeffrey Lin ◽  
Nicholas Reynolds

We show evidence of localized knowledge spillovers using a new database of US patent interferences terminated between 1998 and 2014. Interferences resulted when two or more independent parties submitted identical claims of invention nearly simultaneously. Following the idea that inventors of identical inventions share common knowledge inputs, interferences provide a new method for measuring knowledge spillovers. Interfering inventors are 1.4 to 4.0 times more likely to live in the same local area than matched control pairs of inventors. They are also more geographically concentrated than citation-linked inventors. Our results emphasize geographic distance as a barrier to tacit knowledge flows. (JEL D83, O31, O33, O34)


2010 ◽  
Vol 2010 (1) ◽  
pp. 1-6
Author(s):  
ALFONSO GAMBARDELLA ◽  
MARCO S. GIARRATANA

1998 ◽  
Vol 36 (1) ◽  
pp. 65-86 ◽  
Author(s):  
LYNNE G. ZUCKER ◽  
MICHAEL R. DARBY ◽  
JEFF ARMSTRONG

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