Notes, Comments and Preliminary results Jun 16 2011 Raul Matsushita and Sergio Da Silva   A log-periodic fit for the flash crash of May 6, 2010   Abstract  Contact Information  Citation  Full Text  -  Note   May 21 2010 Marcia L. Zindel , Emilio Menezes , Raul Matsushita and Sergio Da Silva   Biological characteristics modulating investor overconfidence   Abstract  Contact Information  Citation  Full Text  -  Note   Apr 21 2008 Sergio Da Silva , Raul Matsushita and Ricardo Giglio   The relative efficiency of stockmarkets   Abstract  Contact Information  Citation  Full Text  -  Note   Mar 28 2003 Sergio Da Silva , Annibal Figueiredo , Iram Gleria and Raul Matsushita   Fractal structure in the Chinese yuan/US dollar rate   Abstract  Contact Information  Citation  Full Text  -  Note   Jul 17 2002 Sergio Da Silva , Raul Matsushita and Iram Gleria   Scaling power laws in the Sao Paulo Stock Exchange   Abstract  Contact Information  Citation  Full Text  -  Note   Research announcements Conference announcements