Antonio Nicolo' Department of Economics, University of Padova   Dipartimento di Scienze Economiche, Universita' di Padova via del Santo 33 Padova, 35123 Italy   anicolo@decon.unipd.it         Primary Research Focus: Social Choice Theory, Mechanism Theory, Bargaining   JEL Areas: D7 : Analysis of Collective Decision-Making: General C7 : Game Theory and Bargaining Theory:General