Notes, Comments and Preliminary results Dec 09 2011 Wafa Snoussi and Mhamed ali El-aroui   Impact of Returns Time Dependency on the Estimation of Extreme Market Risk   Abstract  Contact Information  Citation  Full Text  -  Note   Research announcements Mar 05 2010 wafa amor snoussi and Mhamed-Ali El-Aroui   Comparing value-at-risk semi-parametric estimators from serial dependent nancial data   Manuscript Available   Abstract  Contact Information  Citation  Full Announcement  -  Research Announcement   Conference announcements