Introduction (Virginie Coudert) Financial regulation in the crisis (Jézabel Couppey-Soubeyran) A systemic approach ti financial regulation : a European perspective (Michel Aglietta & Laurence Scialom) Are derivatives dangerous ? A literature survey (Gunther Capelle-Blancard) The credit default swap and the settlement of large defaults (Virginie Coudert & Mathieu Gex) Sovereign wealth funds as domestic investors of last resort during crises (Hélène Raymond) Emergence of a new regulation (Sandra Rigot & Yamina Tadjeddine)