URL des Documents de travail : http://ces.univ-paris1.fr/csedp/cesdp2012.html Voir aussi l'article paru dans The Manchester School, vol. 80(S1), 21-53.Documents de travail du Centre d'Economie de la Sorbonne 2012.30 - ISSN : 1955-611XThe bargaining power of international banks is currently still very high as compared to what it was at the time of the Bretton Woods conference. As a consequence, systemic financial crises are likely to remain recurrent phenomena with large effects on macroeconomic aggregates. Mainstream macroeconomic models dealing with financial frictions failed to explain at least eight stylized facts of the ongoing crisis. We therefore suggest two complementary assumptions : (I) A systemic bankruptcy risk stable equilibrium...