no code implementations • 28 Feb 2024 • Bingchu Nie, Dejian Tian, Long Jiang
In this paper, we introduce a new class of set-valued risk measures, named set-valued star-shaped risk measures.
no code implementations • 4 May 2023 • Dejian Tian, Xunlian Wang
Motivated by the results of static monetary or star-shaped risk measures, the paper investigates the representation theorems in the dynamic framework.
no code implementations • 10 Apr 2023 • Weiwei Li, Dejian Tian
The paper investigates the robust optimized certainty equivalents and analyzes the relevant properties of them as risk measures for loss positions with distribution uncertainty.
no code implementations • 14 Jan 2022 • Dejian Tian
A pricing principle is introduced for non-attainable $q$-exponential bounded contingent claims in an incomplete Brownian motion market setting.
no code implementations • 17 Nov 2021 • Zixin Feng, Dejian Tian
The paper investigates the consumption-investment problem for an investor with Epstein-Zin utility in an incomplete market.