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Measuring technological breadth and depth of patent documents using Rao’s Quadratic Entropy
16 references·1 citing·48 second hop
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References

  • 1986Technological Opportunity and Spillovers of R&D: Evidence from Firms' Patents, Profits and Market Value2,846 cited
  • 1977Inequality and Heterogeneity: A Primitive Theory of Social Structure2,802 cited
  • 1996Competitor Analysis and Interfirm Rivalry: Toward A Theoretical Integration1,564 cited
  • 1994The Importance of Patent Scope: An Empirical Analysis1,212 cited
  • 2007A general framework for analysing diversity in science, technology and society1,154 cited
  • 2002Knowledge-relatedness in firm technological diversification925 cited
  • 2001Characteristics of Patent Litigation: A Window on Competition858 cited
  • 1990Optimal Patent Length and Breadth847 cited
  • 1946National Power and the Structure of Foreign Trade, by Albert O. Hirschman734 cited
  • 2009Diversity and network coherence as indicators of interdisciplinarity: case studies in bionanoscience703 cited
  • 1990How Broad Should the Scope of Patent Protection Be?670 cited
  • 2002The Economics of Patents: Lessons from Recent U.S. Patent Reform661 cited
  • 1970Invention, Growth and Welfare: A Theoretical Treatment of Technological Change.632 cited
  • 2014Relatedness and technological change in cities: the rise and fall of technological knowledge in US metropolitan areas from 1981 to 2010478 cited

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  • 2005Evolution of R&D Capabilities: The Role of Knowledge Networks Within a Firm473 cited
  • 2004Tech Mining: Exploiting New Technologies for Competitive Advantage411 cited
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    • 2024The effects of knowledge base characteristics on patent pledge financing: the moderating effects of technological munificence and dynamism5 cited