Serena, Marco Public Economics, MPI for Tax Law and Public Finance, Max Planck Society;
https://ssrn.com/abstract=2874414 (Preprint)
Mavridis, C., & Serena, M. (2018). Complete information pivotal-voter model with asymmetric group size. Public Choice, 177(1-2), 53-66. doi:10.1007/s11127-018-0585-6.