no code implementations • 30 Sep 2020 • Jörn Sass, Dorothee Westphal
This leads to local optimization problems, and the resulting optimal strategy needs to be updated continuously in time.
no code implementations • 4 Sep 2019 • Jörn Sass, Dorothee Westphal
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.
no code implementations • 2 Jul 2018 • Jörn Sass, Dorothee Westphal, Ralf Wunderlich
We use our limit theorems to derive so-called diffusion approximations of the filter for high-frequency discrete-time expert opinions.