Konrad, Kai A. Public Economics, MPI for Tax Law and Public Finance, Max Planck Society;
http://ssrn.com/abstract=2190349 (Any fulltext)
Konrad, K. A., & Cusack, T. R. (2014). Hanging Together or Being Hung Separately: The Strategic Power of Coalitions where Bargaining Occurs with Incomplete Information. The Journal of Conflict Resolution, 58(5), 920-940. doi:10.1177/0022002713487319.