18 Optimizing Optimization
1.6 Fund of funds
An organization might want to control the risk of all their funds against one
benchmark, but give fund managers different mandates with different bench-
marks and risk restrictions. If the managers each individually optimize their
024681012No
constraint
11.% Pf Vol10.5% Pf Vol10% Pf Vol9.5% Pf Vol
9% Pf VolPortfolio volatility
Tracking errorFigure 1.11 Risk with portfolio volatility constrained.
3.52.531.50.50No
constraintTracking error (%)3% TE
2.5% TE2% TE
1.5% TE1% TE12Market portfolio tracking error
Model portfolio tracking errorFigure 1.12 Risk with tracking error constrained against a model portfolio.