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Title: Similarity of R&D Activities, Physical Proximity, and R&D Spillovers
Keywords: Technological similarities
Knowledge diffusion
Spatial effects
Issue Date: 2013
Publisher: Elsevier
Citation: Regional Science and Urban Economics, 43, 124-131
Abstract: The diffusion of knowledge generates positive externalities if knowledge flows increase the productivity of R&D by the recipients of these flows. We investigate the extent to which these spillovers depend on the similarity of research activities by the originator and recipient of the knowledge, and at what rate the spillovers diminish with physical distance. We find, using regional patent and R&D expenditure data from the European Union, that similarity between R&D activities is not only statistically significant, but salient: regions with completely dissimilar R&D activities exhibit essentially no spillovers at all. An increase in the distance between the originating and recipient region by 500km reduces spillovers by 55–70%.
ISSN: 0166-0462
Appears in Collections:Δημοσιεύσεις σε Περιοδικά

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