In the aftermath of the 2008 financial crisis, the need to consider more realistic risk models for derivative products has received renewed attention. We introduce a dynamic model for the pricing of European-style options with various attractive features such as a mixture of heavy-tails and...

This article derives a model of self-regulation where banks issue insurance products to hedge their own leverage ratio. This approach is an alternative policy to Basel regulation for controlling systemic risk without increasing equity level.Then, we construct two insurability indicators...

This article derives a model of self-regulation where banks issue insurance products to hedge their leverage ratio. This approach is an alternative policy to Basel regulation for controlling systemic risk without increasing equity level. We show some conditions under which the model can be...

The study of tail events has become a central preoccupation for academics, investors and policy makers, given the recent financial turmoil. However, the question on what differentiates a crash from a tail event remains unsolved.This article elaborates a new definition of stock market crash...

Following seminal works of Knight (1921) and Ellsberg (1961), we distinguish uncertainty from risk and examine the impact of aggregate uncertainty on return dynamics of size and book-to-market ratio sorted portfolios. Using VVIX as a proxy for aggregate uncertainty and controlling for market...