Search Results for author: Thai Nguyen

Found 5 papers, 1 papers with code

On short-time behavior of implied volatility in a market model with indexes

no code implementations26 Feb 2024 Huy N. Chau, Duy Nguyen, Thai Nguyen

This paper investigates short-term behaviors of implied volatility of derivatives written on indexes in equity markets when the index processes are constructed by using a ranking procedure.

Non-concave expected utility optimization with uncertain time horizon

no code implementations28 May 2020 Christian Dehm, Thai Nguyen, Mitja Stadje

We consider an expected utility maximization problem where the utility function is not necessarily concave and the time horizon is uncertain.

Utility maximization under endogenous pricing

no code implementations8 May 2020 Thai Nguyen, Mitja Stadje

We study the expected utility maximization problem of a large investor who is allowed to make transactions on tradable assets in an incomplete financial market with endogenous permanent market impacts.

Optimal investment for participating insurance contracts under VaR-Regulation

no code implementations23 May 2018 Thai Nguyen, Mitja Stadje

This result is contrary to the situation where the insurer maximizes the utility of the total wealth of the company (without distinguishing between contributions of equity holders and policyholders), in which case a VaR constraint may induce the insurer to take excessive risks leading to higher losses than in the case of no regulation.

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