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Title: Optimal investment with stopping in finite horizon
Authors: Jian, X
Li, X 
Yi, F
Keywords: Dual transformation
Free boundary
Optimal investment
Optimal stopping
Issue Date: 2014
Publisher: Springer International Publishing
Source: Journal of inequalities and applications, 2014, v. 2014, no. 1 How to cite?
Journal: Journal of Inequalities and Applications 
Abstract: 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. MSC:35R35, 91B28, 93E20.
ISSN: 1025-5834
DOI: 10.1186/1029-242X-2014-432
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