Download This PaperSure, but Who has the Energy? The Importance of Location for Knowledge Transfer in the Energy Sector
Colorado College Working Paper 2011-14
25 Pages Posted: 11 Dec 2011 Last revised: 12 Mar 2012
Date Written: November 1, 2011
Abstract
Using over 250,000 U.S. patent citations, we test whether knowledge transfers in the energy sector are sensitive to distance, and whether that sensitivity has changed over time. Controlling for self-citation by inventor, assignee and examiner, multivariate regression analysis shows that physical distance is becoming less important for spillovers with time.
Keywords: energy, patent, citation, spillover, distance
JEL Classification: L6, N9, O3, R1
Suggested Citation: Suggested Citation
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