5 papers
Liquidity Provision with Adverse Selection and Inventory Costs
Martin Herdegen, Johannes Muhle-Karbe, Florian Stebegg
We study one-shot Nash competition between an arbitrary number of identical dealers that compete for the order flow of a client. The client trades either because of proprietary inf…
The Infinite Horizon Investment-Consumption Problem for Epstein-Zin Stochastic Differential Utility
David Hobson, Martin Herdegen, Joseph Jerome
In this article we consider the optimal investment-consumption problem for an agent with preferences governed by Epstein-Zin stochastic differential utility who invests in a consta…
An elementary approach to the Merton problem
Martin Herdegen, David Hobson, Joseph Jerome
In this article we consider the infinite-horizon Merton investment-consumption problem in a constant-parameter Black - Scholes - Merton market for an agent with constant relative r…
Equilibrium Asset Pricing with Transaction Costs
Martin Herdegen, Johannes Muhle-Karbe, Dylan Possamaï
We study risk-sharing economies where heterogenous agents trade subject to quadratic transaction costs. The corresponding equilibrium asset prices and trading strategies are charac…
Strict Local Martingales and Optimal Investment in a Black-Scholes Model with a Bubble
Martin Herdegen, Sebastian Herrmann
There are two major streams of literature on the modeling of financial bubbles: the strict local martingale framework and the Johansen-Ledoit-Sornette (JLS) financial bubble model.…