Resumen

FRANCO-ARBELAEZ, Luis C.; AVENDANO-RUA, Claudia T.  y  BARBUTIN-DIAZ, Haroldo. Modelo de Markowitz y Modelo de Black-Litterman en la Optimización de Portafolios de Inversión. TecnoL. [online]. 2011, n.26, pp.71-88. ISSN 0123-7799.

The optimization of investment portfolios is a central aspect in the financial world. Markowitz's model has been successful on a theoretical level in the middle of finance, about the structuring of portfolios and the search of implicit diversify in the investment analysis. However, in practice, there are difficulties and disadvantages that has been a notable influence on the limited success of its implementation. In this article is done a reflective study of the disadvantages of this model in real situations, and presents the Black-Litterman model as an alternative methodology that helps to neutralize some of these disadvantages and maximizing the expected return, generating a more efficient, stable and diversified portfolio.

Palabras clave : Markowitz; Black-Litterman; volatility; risk; portfolio management; views.

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