Abstract
This work focuses on numerical methods for finding optimal dividend payment and capital injection policies to maximize the present value of the difference between the cumulative dividend payment and the possible capital injections. Using dynamic programming principle, the value function obeys a quasi-variational inequality (QVI). The state constraint of the impulsive control gives rise to a capital injection region with free boundary. Since the closed-form solutions are virtually impossible to obtain, we use Markov chain approximation techniques to construct a discrete-time controlled Markov chain to approximate the value function and optimal controls. Convergence of the approximation algorithms is proved.
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We are grateful to the anonymous referee for his/her valuable comments and suggestions.
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This research was supported in part by Early Career Research Grant and Faculty Research Grant by The University of Melbourne. The research of H. Yang was supported in part by Research Grants Council of the Hong Kong Special Administrative Region (project No. HKU 17330816) and Society of Actuaries’ Centers of Actuarial Excellence Research Grant. The research of G. Yin was supported in part by U.S. Army Research Office under grant W911NF-15-1-0218.
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Jin, Z., Yang, Hl. & Yin, G. A numerical approach to optimal dividend policies with capital injections and transaction costs. Acta Math. Appl. Sin. Engl. Ser. 33, 221–238 (2017). https://doi.org/10.1007/s10255-017-0653-6
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DOI: https://doi.org/10.1007/s10255-017-0653-6