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Convergence of R&D intensity in OECD countries: evidence since 1870

Sefa Awaworyi Churchill, John Inekwe () and Kris Ivanovski

Empirical Economics, 2020, vol. 59, issue 1, No 11, 295-306

Abstract: Abstract Research and development (R&D) activity has been widely cited as one of the key drivers of economic growth over several decades. This research note employs the Phillips and Sul (Econometrica 75(6):1771–1855, 2007; Econometrics 24(7):1153–1185, 2009) methodology to test for the convergence of R&D intensity across OECD countries spanning 145 years. We find evidence in favour of full convergence (i.e. convergence among all 20 countries) in R&D intensity. However, the club clustering procedure reveals that prior to World War II (WWII) the patterns of R&D intensity differ across countries where we identify one convergent club and one non-convergent club. These results suggest that the post-WWII period witnessed significant international R&D spillovers between countries, given that all countries converge to the same steady state. Alternatively, the pre-WWII period included countries where technology and innovation were lagging behind.

Keywords: R&D intensity; Club convergence/clustering; OECD (search for similar items in EconPapers)
JEL-codes: C33 Q47 (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s00181-019-01628-1

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