کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
983998 934117 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Similarity of R&D activities, physical proximity, and R&D spillovers
موضوعات مرتبط
علوم انسانی و اجتماعی اقتصاد، اقتصادسنجی و امور مالی اقتصاد و اقتصادسنجی
پیش نمایش صفحه اول مقاله
Similarity of R&D activities, physical proximity, and R&D spillovers
چکیده انگلیسی

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 500 km reduces spillovers by 55–70%.


► Estimates a spatial model of spill-overs with smooth exponentially declining distance weights, using both Non-Linear regression and Maximum Likelihood.
► Similarity of R&D activities appears salient to spill-overs.
► Compares results with those using existing approaches.
► Compares findings with the prior literature.
► Discusses underlying mechanisms and policy implications.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Regional Science and Urban Economics - Volume 43, Issue 1, January 2013, Pages 124–131
نویسندگان
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