no code implementations • 1 Jun 2023 • Natascha Hey, Jean-Philippe Bouchaud, Iacopo Mastromatteo, Johannes Muhle-Karbe, Kevin Webster
Portfolio managers' orders trade off return and trading cost predictions.
no code implementations • 6 Dec 2021 • Alessandro Micheli, Johannes Muhle-Karbe, Eyal Neuman
We study a multi-player stochastic differential game, where agents interact through their joint price impact on an asset that they trade to exploit a common trading signal.
no code implementations • 26 Jul 2021 • 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.
no code implementations • 27 Nov 2020 • Johannes Muhle-Karbe, Xiaofei Shi, Chen Yang
We study a risk-sharing economy where an arbitrary number of heterogenous agents trades an arbitrary number of risky assets subject to quadratic transaction costs.
no code implementations • 14 May 2019 • Johannes Muhle-Karbe, Marcel Nutz, Xiaowei Tan
This paper studies the equilibrium price of an asset that is traded in continuous time between N agents who have heterogeneous beliefs about the state process underlying the asset's payoff.
no code implementations • 30 Jan 2019 • Martin Herdegen, Johannes Muhle-Karbe, Dylan Possamaï
We study risk-sharing economies where heterogenous agents trade subject to quadratic transaction costs.
no code implementations • 22 Jul 2018 • Peter Bank, Ibrahim Ekren, Johannes Muhle-Karbe
We study a continuous-time version of the intermediation model of Grossman and Miller (1988).
no code implementations • 16 Feb 2018 • Bruno Bouchard, Johannes Muhle-Karbe
Using elementary arguments, we show how to derive $\mathbf{L}_p$-error bounds for the approximation of frictionless wealth process in markets with proportional transaction costs.
no code implementations • 1 May 2017 • Ibrahim Ekren, Johannes Muhle-Karbe
We study portfolio selection in a model with both temporary and transient price impact introduced by Garleanu and Pedersen (2016).