Optimal Dividend and Capital Injection Strategies for a Risk Model under Force of Interest

Ying Fang and Zhongfeng Qu

Mathematical Problems in Engineering, 2013, vol. 2013, 1-8

Abstract:

As a generalization of the classical Cramér-Lundberg risk model, we consider a risk model including a constant force of interest in the present paper. Most optimal dividend strategies which only consider the processes modeling the surplus of a risk business are absorbed at 0. However, in many cases, negative surplus does not necessarily mean that the business has to stop. Therefore, we assume that negative surplus is not allowed and the beneficiary of the dividends is required to inject capital into the insurance company to ensure that its risk process stays nonnegative. For this risk model, we show that the optimal dividend strategy which maximizes the discounted dividend payments minus the penalized discounted capital injections is a threshold strategy for the case of the dividend payout rate which is bounded by some positive constant and the optimal injection strategy is to inject capitals immediately to make the company's assets back to zero when the surplus of the company becomes negative.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:750547

DOI: 10.1155/2013/750547

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