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- Title
Approximation of optimal ergodic dividend strategies using controlled Markov chains.
- Authors
Jin, Zhuo; Yang, Hailiang; Yin, George
- Abstract
This study develops a numerical method to find optimal ergodic (long‐run average) dividend strategies in a regime‐switching model. The surplus process is modelled by a regime‐switching process subject to liability constraints. The regime‐switching process is modelled by a finite‐time continuous‐time Markov chain. Using the dynamic programming principle, the optimal long‐term average dividend payment is a solution to the coupled system of Hamilton–Jacobi–Bellman equations. Under suitable conditions, the optimal value of the long‐term average dividend payment can be determined by using an invariant measure. However, due to the regime switching, getting the invariant measure is very difficult. The objective is to design a numerical algorithm to approximate the optimal ergodic dividend payment strategy. By using the Markov chain approximation techniques, the authors construct a discrete‐time controlled Markov chain for the approximation, and prove the convergence of the approximating sequences. A numerical example is presented to demonstrate the applicability of the algorithm.
- Publication
IET Control Theory & Applications (Wiley-Blackwell), 2018, Vol 12, Issue 17, p2194
- ISSN
1751-8644
- Publication type
Article
- DOI
10.1049/iet-cta.2018.5394