Innovation, international R&D spillovers and the sectoral heterogeneity of knowledge flows

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22 Citations (Scopus)

Abstract

We analyze the relative effects of national and international, intrasectoral and intersectoral R&D spillovers on innovative activity in six large, industrialized countries over the period 1980-2000. We use patent applications at the European Patent Office to measure innovation and their citations to trace knowledge flows within and across 135 narrowly defined technological fields. Using panel cointegration we show that intersectoral spillovers have a key impact on innovation activities and that domestic R&D has a stronger effect than international R&D. However, within technological fields, estimated international R&D spillovers are 2.4 times the national R&D effects. We find significant differences across chemicals, electronics and machinery industries
Original languageEnglish
Pages (from-to)697-722
Number of pages26
JournalReview of World Economics
Volume149
DOIs
Publication statusPublished - 2013

Keywords

  • Knowledge flows
  • Panel cointegration
  • Patent citations
  • R&D spillovers

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