Optimal investment with stopping in finite horizon

被引：0
作者：
Xiongfei Jian
Xun Li
Fahuai Yi
机构：
[1] South China Normal University,School of Mathematical Sciences
[2] Hong Kong Polytechnic University,Department of Applied Mathematics
来源：
Journal of Inequalities and Applications | / 2014卷
关键词：
optimal investment; optimal stopping; dual transformation; free boundary;
D O I：
暂无
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学科分类号：
摘要：
In this paper, we investigate dynamic optimization problems featuring both stochastic control and optimal stopping in a finite time horizon. The paper aims to develop new methodologies, which are significantly different from those of mixed dynamic optimal control and stopping problems in the existing literature. We formulate our model to a free boundary problem of a fully nonlinear equation. Furthermore, by means of a dual transformation for the above problem, we convert the above problem to a new free boundary problem of a linear equation. Finally, we apply the theoretical results to some challenging, yet practically relevant and important, risk-sensitive problems in wealth management to obtain the properties of the optimal strategy and the right time to achieve a certain level over a finite time investment horizon.
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