In this paper, we study the structure of optimal contracts in a banking system when there is no risk of moral hazard. We consider a risk management problem under a policy that reduces the excessive risk taking behavior by making all banks bear part of the risk that they transfer to other parties...

Motivated by reinsurance applications, we consider an optimal risk sharing problem for individual risks. In a framework where the market participants' preferences are according to the sub-additive and law-invariant risk measures, first we characterize the optimal individual risk sharing...

Motivated by macroeconomic risks, such as the COVID-19 pandemic, we consider different risk management platforms and study efficient insurance schemes in the presence of systematic events. More precisely, we consider three platforms: the risk-sharing, insurance and market platform. First, we...

The severity and occurrence of rare events in financial markets has had a fundamental impact on the pricing and risk management of financial derivatives, such as volatility smile curves. However rare event modelling poses a problem in efficient and accurate simulation due to fundamental issues...