This article presents a model of the financial system as an inhomogeneous random financial network (IRFN) with N nodes that represent different types of institutions such as banks or funds and directed weighted edges that signify counterparty relationships between nodes. The onset of a systemic...

We consider a public firm characterized by a moral hazard problem. A distinguished player is a CEO or activist shareholder who (i) is unrestricted to trade shares and (ii) has discretion to increase the value of this firm by exerting costly effort. von Lilienfeld-Toal and Rünzi (J Finance...

In this paper we investigate a utility maximization problem with drift uncertainty in a multivariate continuous-time Black–Scholes type financial market which may be incomplete. We impose a constraint on the admissible strategies that prevents a pure bond investment and we include uncertainty...

We establish general "collapse to the mean" principles that provide conditions under which a law-invariant functional reduces to an expectation. In the convex setting, we retrieve and sharpen known results from the literature. However, our results also apply beyond the convex setting. We...