On the optimality of the refraction–reflection strategies for Lévy processes

Kei Noba

Stochastic Processes and their Applications, 2023, vol. 160, issue C, 174-217

Abstract: In this paper, we study de Finetti’s optimal dividend problem with capital injection under the assumption that the dividend strategies are absolutely continuous. In many previous studies, the process before being controlled was assumed to be a spectrally one-sided Lévy process, however in this paper we use a Lévy process that may have both positive and negative jumps. In the main theorem, we show that a refraction–reflection strategy is an optimal strategy. We also mention the existence and uniqueness of solutions of the stochastic differential equations that define refracted Lévy processes.

Keywords: Lévy process; Stochastic control; Optimal dividend problem (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:spapps:v:160:y:2023:i:c:p:174-217

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DOI: 10.1016/j.spa.2023.02.006

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