Paola Manzini University of St. Andrews   Dept. of Economics University of St. Andrews School of Economics and Finance Castlecliffe, The Scores, KY16 9AL Scotland, U.K.   Paola.Manzini@st-andrews.ac.uk     Biographical Sketch:   Primary Research Focus: Game thoery and applications   JEL Areas: C9 : Design of Experiments: General D0 : Microeconomics: General