Search Results for author: Hoi Ying Wong

Found 8 papers, 0 papers with code

Duality in optimal consumption--investment problems with alternative data

no code implementations16 Oct 2022 Kexin Chen, Hoi Ying Wong

This study investigates an optimal consumption--investment problem in which the unobserved stock trend is modulated by a hidden Markov chain that represents different economic regimes.

Decision Making

Adaptive Robust Online Portfolio Selection

no code implementations2 Jun 2022 Man Yiu Tsang, Tony Sit, Hoi Ying Wong

Finally, we compare the performance of our strategy with that of existing OLPS strategies using both benchmark and newly collected data sets.

Decision Making

Optimal Expansion of Business Opportunity

no code implementations13 Dec 2021 Ling Wang, Kexin Chen, Mei Choi Chiu, Hoi Ying Wong

The length of the waiting period is related to the opportunity cost, return, and risk of the expanded business.

Volterra mortality model: Actuarial valuation and risk management with long-range dependence

no code implementations21 Sep 2020 Ling Wang, Mei Choi Chiu, Hoi Ying Wong

While abundant empirical studies support the long-range dependence (LRD) of mortality rates, the corresponding impact on mortality securities are largely unknown due to the lack of appropriate tractable models for valuation and risk management purposes.

Management

Time-inconsistency with rough volatility

no code implementations26 Jul 2019 Bingyan Han, Hoi Ying Wong

In this paper, we consider equilibrium strategies under Volterra processes and time-inconsistent preferences embracing mean-variance portfolio selection (MVP).

Merton's portfolio problem under Volterra Heston model

no code implementations14 May 2019 Bingyan Han, Hoi Ying Wong

This paper investigates Merton's portfolio problem in a rough stochastic environment described by Volterra Heston model.

Portfolio Optimization

Mean-variance portfolio selection under Volterra Heston model

no code implementations29 Apr 2019 Bingyan Han, Hoi Ying Wong

Motivated by empirical evidence for rough volatility models, this paper investigates continuous-time mean-variance (MV) portfolio selection under the Volterra Heston model.

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