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Knowledge Relatedness and Knowledge Space Based on EPO Patents

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  • Jana Vlčková
  • Nikola Kaspříková

Abstract

How is knowledge distributed over space and how are different types of knowledge related? These questions have so far received little attention. In this paper we measure knowledge relatedness based on the relationship between individual patent categories by using coclassification information obtained from EPO patents. We also follow specialization of countries and its evolution over the past three decades. We focus on the EU, the United States and China. The objective of this paper is to identify the knowledge relatedness between technological fields and to map knowledge produced in selected countries. For visualization of knowledge relatedness network analysis has been used.

Suggested Citation

  • Jana Vlčková & Nikola Kaspříková, 2015. "Knowledge Relatedness and Knowledge Space Based on EPO Patents," Prague Economic Papers, Prague University of Economics and Business, vol. 2015(4), pages 399-415.
    • Handle: RePEc:prg:jnlpep:v:2015:y:2015:i:4:id:544:p:399-415
    DOI: 10.18267/j.pep.544
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    References listed on IDEAS

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    More about this item

    Keywords

    patents; knowledge relatedness; knowledge space; network analysis; EPO patents; technological advantage;
    All these keywords.

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)

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