On ‘Trade Induced Technical Change: The Impact of Chinese Imports on Innovation, IT and Productivity’

Douglas L. Campbell, Karsten Mau

Research output: Working paper / PreprintWorking paper

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Bloom, Draca, and Van Reenen (2016) find that Chinese import competition induced a rise in patenting, IT adoption, and TFP by up to 30% of the total increase in Europe in the late 1990s and early 2000s. We uncover several coding errors in an important robustness check of their patent results. When corrected, we find no statistically significant relationship between Chinese competition and patents. Other specifications in the original paper use a problematic log(1+patents) transformation. This normalization induces bias given low average patent counts for firms in China-competing sectors, and rapidly declining patents across the sample.
Original languageEnglish
PublisherMaastricht University, Graduate School of Business and Economics
Number of pages8
Publication statusPublished - 9 Jul 2020

Publication series

SeriesGSBE Research Memoranda

JEL classifications

  • f14 - Empirical Studies of Trade
  • f13 - "Trade Policy; International Trade Organizations"
  • l25 - Firm Performance: Size, Diversification, and Scope
  • l60 - Industry Studies: Manufacturing: General


  • patents
  • China
  • Europe
  • Textiles
  • Trade Shocks
  • Manufacturing

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