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Advances in Portfolio Risk Control: Risk! Parity?

Winfried G. Hallerbach

Robeco Asset Management, Quantitative Strategies

May 1, 2013

Spurred by the increased interest in applying “risk control” techniques in an asset allocation context, we offer a practitioner’s review of techniques that have been newly proposed or revived from academic history. We discuss minimum variance, “1/N” or equal-weighting, maximum diversification, volatility weighting and volatility targeting – and especially “risk parity”, a concept that has become a real buzz word. We provide a taxonomy of risk control techniques. We discuss their main characteristics and their pluses and minuses and we compare them against each other and against the maximum Sharpe Ratio criterion. We illustrate their implications by means of an empirical example. We also highlight some important papers from the vast and still growing literature in this field. All in all, this note serves as a practical and critical guide to risk control strategies. It may help you to demystify risk control techniques, to appreciate both the “forest” and the “trees”, and to judge these techniques on their potential merits in practical investment applications.

Number of Pages in PDF File: 32

Keywords: risk budgeting, risk control, risk parity, volatility weighting, diversification, portfolio optimization

JEL Classification: G11, G12

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Date posted: May 3, 2013  

Suggested Citation

Hallerbach, Winfried G., Advances in Portfolio Risk Control: Risk! Parity? (May 1, 2013). Available at SSRN: http://ssrn.com/abstract=2259041 or http://dx.doi.org/10.2139/ssrn.2259041

Contact Information

Winfried George Hallerbach (Contact Author)
Robeco Asset Management, Quantitative Strategies ( email )
Coolsingel 120
Rotterdam, 3011 AG
+31102242316 (Phone)
HOME PAGE: http://www.robeco.com/quant
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