A global perspective on social stratification in science

Aliakbar Akbaritabar (), Andrés Felipe Castro Torres and Vincent Larivière
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Aliakbar Akbaritabar: Max Planck Institute for Demographic Research
Andrés Felipe Castro Torres: Max Planck Institute for Demographic Research
Vincent Larivière: Université de Montréal

Palgrave Communications, 2024, vol. 11, issue 1, 1-10

Abstract: Abstract To study stratification among scientists, we reconstruct the career-long trajectories of 8.2 million scientists worldwide using 12 bibliometric measures of productivity, geographical mobility, collaboration, and research impact. While most previous studies examined these variables in isolation, we study their relationships using Multiple Correspondence and Cluster Analysis. We group authors according to their bibliometric performance and academic age across six macro fields of science, and analyze co-authorship networks and detect collaboration communities of different sizes. We found a stratified structure in terms of academic age and bibliometric classes, with a small top class and large middle and bottom classes in all collaboration communities. Results are robust to community detection algorithms used and do not depend on authors’ gender. These results imply that increased productivity, impact, and collaboration are driven by a relatively small group that accounts for a large share of academic outputs, i.e., the top class. Mobility indicators are the only exception with bottom classes contributing similar or larger shares. We also show that those at the top succeed by collaborating with various authors from other classes and age groups. Nevertheless, they are benefiting disproportionately from these collaborations which may have implications for persisting stratification in academia.

Date: 2024
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DOI: 10.1057/s41599-024-03402-w

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