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Identifying the global core-periphery structure of science

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  • Ryan Zelnio

    (George Mason University)

Abstract

While there is a consensus that there is a core-periphery structure in the global scientific enterprise, there have not been many methodologies developed for identifying this structure. This paper develops a methodology by looking at the differences in the power law structure of article outputs and degree centrality distributions of countries. This methodology is applied to five different scientific fields: astronomy and astrophysics, energy and fuels, nanotechnology and nanosciences, nutrition, and oceanography. This methodology uncovers a two-tiered power law structure that exists in all examined fields. The core-periphery structure that is unique to each field is characterized by the core’s size, minimum degree, and exponent of its power law distribution. Stark differences are identified between technology and non-technology intensive scientific fields.

Suggested Citation

  • Ryan Zelnio, 2012. "Identifying the global core-periphery structure of science," Scientometrics, Springer;Akadémiai Kiadó, vol. 91(2), pages 601-615, May.
    • Handle: RePEc:spr:scient:v:91:y:2012:i:2:d:10.1007_s11192-011-0598-0
    DOI: 10.1007/s11192-011-0598-0
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    References listed on IDEAS

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    Cited by:

    1. Lorenzo CASSI & Emilie-Pauline GALLIÉ & Agénor LAHATTE & Valérie MERINDOL, 2018. "Scientific network centrality of European regions: the role of territorial resources," Region et Developpement, Region et Developpement, LEAD, Universite du Sud - Toulon Var, vol. 47, pages 5-26.
    2. Sameer Kumar & Vala Ali Rohani & Kuru Ratnavelu, 2014. "International research collaborations of ASEAN Nations in economics, 1979–2010," Scientometrics, Springer;Akadémiai Kiadó, vol. 101(1), pages 847-867, October.
    3. György Csomós & Jenő Zsolt Farkas, 2023. "Understanding the increasing market share of the academic publisher “Multidisciplinary Digital Publishing Institute” in the publication output of Central and Eastern European countries: a case study o," Scientometrics, Springer;Akadémiai Kiadó, vol. 128(1), pages 803-824, January.
    4. Daniel Fink & Youngsun Kwon & Jae Jeung Rho & Minho So, 2014. "S&T knowledge production from 2000 to 2009 in two periphery countries: Brazil and South Korea," Scientometrics, Springer;Akadémiai Kiadó, vol. 99(1), pages 37-54, April.

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