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Persistent heterogeneity of R&D intensities within sectors: Evidence and policy implications

Alex Coad ()

Research Policy, 2019, vol. 48, issue 1, 37-50

Abstract: Do firms in the same sector converge towards the same R&D intensities? Previous research has often assumed this to be true. A closer examination, using microdata from the EU Industrial R&D Investment Scoreboard for the years 2000–2015, shows considerable heterogeneity in R&D intensities among firms in the same sector, and that this heterogeneity persists over time. Statistical tests of convergence show that the variation in R&D intensities does not decrease over time (i.e. no σ-convergence), although firms with an R&D intensity below the industry average do seem to catch up with the leaders (i.e. evidence of β-convergence). Overall, firms in the same industry do not converge to a common R&D intensity. Policy implications are discussed.

Keywords: R&D investment; R&D intensity; Convergence; Benchmarking; Heterogeneity; Evolutionary theory; Sectoral systems of innovation (search for similar items in EconPapers)
JEL-codes: O3 L2 (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:respol:v:48:y:2019:i:1:p:37-50

DOI: 10.1016/j.respol.2018.07.018

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