Convergence of R&D intensity in OECD countries

evidence since 1870

Sefa Kwami Awaworyi Churchill, John Inekwe, Kris Ivanovski

Research output: Contribution to journalArticleResearchpeer-review

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.
Original languageEnglish
Number of pages12
JournalEmpirical Economics
DOIs
Publication statusAccepted/In press - Jan 2019

Keywords

  • R&D intensity
  • club convergence/clustering
  • OECD

Cite this

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title = "Convergence of R&D intensity in OECD countries: evidence since 1870",
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Convergence of R&D intensity in OECD countries : evidence since 1870. / Awaworyi Churchill, Sefa Kwami; Inekwe, John; Ivanovski, Kris.

In: Empirical Economics, 01.2019.

Research output: Contribution to journalArticleResearchpeer-review

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T2 - evidence since 1870

AU - Awaworyi Churchill, Sefa Kwami

AU - Inekwe, John

AU - Ivanovski, Kris

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AB - 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.

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