no code implementations • 16 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.
no code implementations • 2 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.
no code implementations • 13 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.
no code implementations • 13 Dec 2021 • Ling Wang, Mei Choi Chiu, Hoi Ying Wong
We also use a numerical study to reveal the influence of LRD on equilibrium strategies.
no code implementations • 21 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.
no code implementations • 26 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).
no code implementations • 14 May 2019 • Bingyan Han, Hoi Ying Wong
This paper investigates Merton's portfolio problem in a rough stochastic environment described by Volterra Heston model.
no code implementations • 29 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.