Sarne, D. and Lepioshkin, M. 2017. Effective Prize Structure for Simple Crowdsourcing Contests with Participation Costs. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing. 5, 1 (Sep. 2017), 167–176. DOI:https://doi.org/10.1609/hcomp.v5i1.13305.