Stars and Comets: An Exploration of the Patent Universe
AbstractThe analysis of patent and citation data has become a popular source of evidence on localizedknowledge spillovers and innovation. Nevertheless, an aspect has been overlooked: the patentdistribution across inventors is extremely skewed, as many inventors register one or a fewpatents, while a small number of inventors register many patents. To our knowledge, theprevious empirical literature has not discussed the different kinds of local innovation fromwhich patents may originate. A first contribution of this paper is therefore to document theissue. A second contribution is to investigate whether patents originating from differentscales of innovation are located in different cities. A third contribution - which constitutes themain scope of the paper - is to test whether the concentration of the activity of star inventorsis beneficial to the local productivity of other kinds of innovation - namely the ones led bymore occasional, and less prolific, inventors.
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Bibliographic InfoPaper provided by Spatial Economics Research Centre, LSE in its series SERC Discussion Papers with number 0037.
Date of creation: Nov 2009
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localized knowledge spillovers; patents; innovation;
Other versions of this item:
- Carlo Menon, 2011. "Stars and comets: an exploration of the patent universe," Temi di discussione (Economic working papers) 784, Bank of Italy, Economic Research and International Relations Area.
- R10 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General
- O31 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
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