Llorente-Saguer, Aniol Max Planck Institute for Research on Collective Goods, Max Planck Society;
http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2010473 (Any fulltext)
http://www.coll.mpg.de/pdf_dat/2012_03online.pdf (Preprint)
Casella, A., Llorente-Saguer, A., & Palfrey, T. R. (2012). Competitive Equilibrium in Markets for Votes.