Dynamic mean-risk portfolio selection with multiple risk measures in continuous-time

Dynamic mean-risk portfolio selection with multiple risk measures in continuous-time

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Article ID: iaor201530447
Volume: 249
Issue: 2
Start Page Number: 647
End Page Number: 656
Publication Date: Mar 2016
Journal: European Journal of Operational Research
Authors: , ,
Keywords: combinatorial optimization, programming: dynamic, investment
Abstract:

While our society began to recognize the importance to balance the risk performance under different risk measures, the existing literature has confined its research work only under a static mean‐risk framework. This paper represents the first attempt to incorporate multiple risk measures into dynamic portfolio selection. More specifically, we investigate the dynamic mean‐variance‐CVaR (Conditional value at Risk) formulation and the dynamic mean‐variance‐SFP (Safety‐First Principle) formulation in a continuous‐time setting, and derive the analytical solutions for both problems. Combining a downside risk measure with the variance (the second order central moment) in a dynamic mean‐risk portfolio selection model helps investors control both a symmetric central risk measure and an asymmetric catastrophic downside risk. We find that the optimal portfolio policy derived from our mean‐multiple risk portfolio optimization models exhibits a feature of curved V‐shape. Our numerical experiments using real market data clearly demonstrate a dominance relationship of our dynamic mean‐multiple risk portfolio policies over the static buy‐and‐hold portfolio policy.

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