scholarly journals Borders and Distance in Knowledge Spillovers: Dying over Time or Dying with Age? - Evidence from Patent Citations

2009 ◽  
Author(s):  
Yao Amber Li
2000 ◽  
Vol 90 (2) ◽  
pp. 215-218 ◽  
Author(s):  
Adam B Jaffe ◽  
Manuel Trajtenberg ◽  
Michael S Fogarty

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

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