Andrés Fioriti University of Warwick   6 Dugdale Court Brunswick Street Leamington Spa, CV31 2ED United Kingdom   a.fioriti@warwick.ac.uk   http://www2.warwick.ac.uk/fac/soc/economics/staff/afioriti/           JEL Areas: G0 : Financial Economics: General C7 : Game Theory and Bargaining Theory:General