Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations

B. Jaffe, Adam; Trajtenberg, Manuel; Henderson, Rebecca

doi:10.2307/2118401

Public

Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations

Published in The Quarterly Journal of Economics • Aug 1, 1993

Authors:

Adam B. Jaffe

Manuel Trajtenberg

Rebecca Henderson

Abstract

We compare the geographic location of patent citations with that of the cited patents, as evidence of the extent to which knowledge spillovers are geographically localized. We find that citations to domestic patents are more likely to be domestic, and more likely to come from the same state and SMSA...

Subject

Economic geography

State (computer science)

Economics

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