Sutter, Matthias Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1111/1468-0297.00637 (Any fulltext)
Kocher, M., & Sutter, M. (2001). The Institutional Concentration of Authors in Top Journals of Economics During the Last Two Decades. Economic Journal, 111, 405-421.