Brookins, Philip Max Planck Institute for Research on Collective Goods, Max Planck Society;
https://doi.org/10.1016/j.jebo.2018.05.010 (Any fulltext)
http://myweb.fsu.edu/psb06/items/group_sorting_comps_08.pdf (Preprint)
Brookins, P., Lightle, J., & Ryvkin, D. (2018). Sorting and communication in weak-link group contests. Journal of Economic Behavior and Organization, 152, 64-80.