Serena, Marco Public Economics, MPI for Tax Law and Public Finance, Max Planck Society;
https://ssrn.com/abstract=3180545 (Preprint)
Barbieri, S., & Serena, M. (2018). Biasing unbiased dynamic contests. Working Paper of the Max Planck Institute for Tax Law and Public Finance, No. 2018-06. doi:10.2139/ssrn.3180545.