Knowledge Flows, Patent Citations and the Impact of Science on Technology

Nomaler, Önder and Verspagen, Bart (2007). Knowledge Flows, Patent Citations and the Impact of Science on Technology. UNU-MERIT.

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UNU-MERIT Working Papers

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  • Author Nomaler, Önder
    Verspagen, Bart
    Title Knowledge Flows, Patent Citations and the Impact of Science on Technology
    Publication Date 2007
    Publisher UNU-MERIT
    Abstract Technological innovation depends on knowledge developed by scientific research. The num-ber of citations made in patents to the scientific literature has been suggested as an indicator of this process of transfer of knowledge from science to technology. We provide an intersec-toral insight into this indicator, by breaking down patent citations into a sector-to-sector ma-trix of knowledge flows. We then propose a method to analyze this matrix and construct vari-ous indicators of science intensity of sectors, and the pervasiveness of knowledge flows. Our results indicate that the traditional measure of the number of citations to science literature per patent captures important aspects intersectoral knowledge flows, but that other aspects are not captured. In particular, we show that high science intensity implies that sectors are net suppli-ers of knowledge in the economic sector, but that science intensity does not say much about pervasiveness of either knowledge use or knowledge supply by sectors. We argue that these results are related to the specific and specialized nature of knowledge. This research has benefited from support under DIME, which is a project in the European Union 6th Framework Programme.
    Keyword Knowledge input-output analysis
    Knowledge flows
    Science-to-technology transfer
    Copyright Holder UNU-MERIT
    Copyright Year 2007
    ISSN 1871-9872
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    Created: Wed, 11 Dec 2013, 15:47:50 JST