Before revision: The affiliation to an institution provides prestige and identity to researchers and determines access to resources and infrastructure. Institutions in turn seek to affiliate researchers to secure their knowledge and skills, benefiting the research conducted within these institutions and their position in national and internationalrankings. This study documents the phenomenon of researchers having multiple affiliations and discusses potential causes and consequences. We analyze affiliation information of 8.5M authors from 40 countries , who published 8.9M scientific articles in 14 disciplines since 1996.
After revision: This study provides the first systematic, international, large-scale evidence on the extent and nature of multiple institutional affiliations on journal publications. Studying more than 13.6M authors and 20.5M articles from 40 countries , who published 8.9M scientific articles in 14 disciplines since 1996.