Search Results for author: Dejian Tian

Found 5 papers, 0 papers with code

Set-valued Star-Shaped Risk Measures

no code implementations28 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.

Dynamic star-shaped risk measures and $g$-expectations

no code implementations4 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.

Robust optimized certainty equivalents and quantiles for loss positions with distribution uncertainty

no code implementations10 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.

Pricing principle via Tsallis relative entropy in incomplete market

no code implementations14 Jan 2022 Dejian Tian

A pricing principle is introduced for non-attainable $q$-exponential bounded contingent claims in an incomplete Brownian motion market setting.

Translation

Optimal consumption and portfolio selection with Epstein-Zin utility under general constraints

no code implementations17 Nov 2021 Zixin Feng, Dejian Tian

The paper investigates the consumption-investment problem for an investor with Epstein-Zin utility in an incomplete market.

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