This year the G's are meeting at a critical moment in history, at least economic and social history. They will confront the gravest economic and social crisis in almost 80 years. To paraphrase Keynes, the destiny of the world is in the hands of the members of the G's. They could act in such a...

Cette étude spéciale dresse un bilan de l’évolution de la crise financière qui secoue l’économie mondiale depuis l’été 2007. Partie de l’immobilier aux États-Unis, elle s’est rapidement propagée à l’ensemble du système financier par le biais des mécanismes de titrisation....

Excessive leverage, i.e. the abuse of debt financing, is considered one of the primary factors in the default of financial institutions. Systemic risk results from correlations between individual default probabilities that cannot be considered independent. Based on the structural framework by...

Excessive leverage, i.e. the abuse of debt financing, is considered one of the primary factors in the default of financial institutions. Systemic risk results from correlations between individual default probabilities that cannot be considered independent. Based on the structural framework by...

The recent credit crisis of 2007/08 has raised a debate about the so-called knife-edge properties of financial markets. The paper contributes to the debate shedding light on the controversial relation between risk-diversification and financial stability. We model a financial network where assets...

Building on previous works on business fluctuations, we model the propagation of financial distress in a network of regions, each populated by heterogeneous interacting firms and banks. In order to diversify risk, firm sell goods outside their own region and borrow from banks located there....

We model the systemic risk associated with the so-called balance-sheet amplification mechanism in a system of banks with interlocked balance sheets and with positions in real-economy-related assets. Our modeling framework integrates a stochastic price dynamics with an active balance-sheet...

Building on previous works on business fluctuations, we model the propagation of financial distress in a network of regions, each populated by heterogeneous inter- acting firms and banks. In order to diversify risk, firm sell goods outside their own region and borrow from banks located there....