László Á Kóczy Institute of Economics, Hungarian Academy of Sciences   Budaörsi út 45. Budapest, 1115 Hungary   koczy@econ.core.hu   http://www.econ.core.hu/english/inst/koczy.html   Biographical Sketch: Born in Budapest, in 1976. Education: BA in Mathematics with Computer Science, Cambridge University (1997), MSc in Economics, Catholic University of Leuven (1999), PhD in Economics, Catholic University Leuven (2003). Currently Assistant Professor at the University of Maastricht.   Primary Research Focus: coalition formation games, externalities, voting power   JEL Areas: C7 : Game Theory and Bargaining Theory:General D7 : Analysis of Collective Decision-Making: General