DYNAMIC PORTFOLIO SELECTION UNDER CAPITAL-AT-RISK WITH NO SHORT-SELLING CONSTRAINTS

Gordana Dmitrašinović-Vidović (), Ali Lari-Lavassani (), Xun Li () and Antony Ware ()
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Gordana Dmitrašinović-Vidović: Department of Mathematics and Statistics, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N1N4, Canada
Ali Lari-Lavassani: , 990 Biscayne Blvd Suite 503, Miami, Florida 33132, USA
Xun Li: Department of Applied Mathematics, The Hong Kong Polytechnic University, Stanley Ho Building Hung Hom, Kowloon, Hong Kong
Antony Ware: Department of Mathematics and Statistics, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N1N4, Canada

International Journal of Theoretical and Applied Finance (IJTAF), 2011, vol. 14, issue 06, 957-977

Abstract: Portfolio optimization under downside risk is of crucial importance to asset managers. In this article we consider one such particular measure given by the notion of Capital at Risk (CaR), closely related to Value at Risk. We consider portfolio optimization with respect to CaR in the Black-Scholes setting with time dependent parameters and investment strategies, i.e., continuous-time portfolio optimization. We review the results from our previous work in unconstrained portfolio optimization, and then investigate and solve the corresponding problems with the additional constraint of no-short-selling. Analytical formulae are derived for the optimal strategies, and numerical examples are presented.

Keywords: Continuous-time; portfolio selection; portfolio optimization; capital at risk; short-selling (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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DOI: 10.1142/S0219024911006802

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