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Convex duality for Epstein-Zin stochastic differential utility

Matoussi, Anis and Xing, Hao (2018) Convex duality for Epstein-Zin stochastic differential utility. Mathematical Finance, 28 (4). pp. 991-1019. ISSN 0960-1627

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Identification Number: 10.1111/mafi.12168


This paper introduces a dual problem to study a continuous-time consumption and investment problem with incomplete markets and Epstein-Zin stochastic differential utilities. Duality between the primal and dual problems is established. Consequently, the optimal strategy of this consumption and investment problem is identified without assuming several technical conditions on market models, utility specifications, and agent’s admissible strategies. Meanwhile, the minimizer of the dual problem is identified as the utility gradient of the primal value and is economically interpreted as the “least favorable" completion of the market

Item Type: Article
Official URL:
Additional Information: © 2017 Wiley Periodicals
Divisions: Statistics
Subjects: H Social Sciences > HG Finance
Q Science > QA Mathematics
Date Deposited: 27 Jun 2017 15:03
Last Modified: 07 Jun 2024 20:45
Projects: ANR‐15‐CE05‐0024
Funders: French National Research Agency

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