Notes, Comments and Preliminary results Jul 11 2013 Philippe Bernard and Michel Blanchard   The performance of amateur traders on a public internet site: a case of a stock-exchange contest   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 11 2004 Frederic Peltrault and Michel Blanchard   The welfare effects of international trade with optimistic and pessimistic managers   Abstract  Contact Information  Citation  Full Text  -  Note