Mean variance

Factor investing: get your exposures right!

This paper is devoted to the question of optimal portfolio construction for equity factor investing. The authors discuss the question of multifactor portfolio construction and show that the simplistic approaches often used by practitioners tend to be…

The Bayesian roots of risk balancing

Risk balancing has been considered a heuristic asset allocation method. In this paper, the authors show that, on the contrary, risk balancing is a special case of a utility optimization problem with log regularization that constrains risk concentration.

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