, Volume 63, Issue 3, pp 617–630 | Cite as

Are the contributions of China and Korea upsetting the world system of science?

  • Loet Leydesdorff
  • Ping Zhou


Institutions and their aggregates are not the right units of analysis for developing a science policy with cognitive goals in view. Institutions, however, can be compared in terms of their performance with reference to their previous stages. King's (2004) 'The scientific impact of nations' has provided the data for this comparison. Evaluation of the data from this perspective along the time axis leads to completely different and hitherto overlooked conclusions: a new dynamic can be revealed which points to a group of emerging nations. These nations do not increase their contributions marginally, but their national science systems grow endogenously. In addition to publications, their citation rates keep pace with the exponential growth patterns, albeit with a delay. The center of gravity of the world system of science may be changing accordingly.


Growth Pattern Exponential Growth Science System Time Axis Previous Stage 
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Copyright information

© Springer-Verlag/Akadémiai Kiadó 2005

Authors and Affiliations

  • Loet Leydesdorff
    • 1
  • Ping Zhou
    • 2
  1. 1.Amsterdam School of Communications Research (ASCoR), University of AmsterdamAmsterdam
  2. 2.Information Research and Analysis Center, Institute of Scientific and Technical Information of China

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