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Sure, but Who has the Energy? The Importance of Location for Knowledge Transfer in the Energy SectorJeff MooreColorado College - Department of Economics and Business Daniel K. N. JohnsonColorado College - Department of Economics and Business Kristina M. LybeckerColorado College - Department of Economics & Business November 1, 2011 Colorado College Working Paper 2011-14 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.
Number of Pages in PDF File: 25 Keywords: energy, patent, citation, spillover, distance JEL Classification: L6, N9, O3, R1 working papers seriesDate posted: December 11, 2011 ; Last revised: March 12, 2012Suggested CitationContact Information
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