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statistique, théorie et gestion de portefeuille - Docs at ISFA

statistique, théorie et gestion de portefeuille - Docs at ISFA

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472 14. Gestion <strong>de</strong> Portefeuilles multimoments <strong>et</strong> équilibre <strong>de</strong> marché<br />

μ (daily r<strong>et</strong>urn)<br />

x 10−3<br />

1.5<br />

1<br />

0.5<br />

Mean−μ 2 Efficient Frontier<br />

Mean−μ 4 Efficient Frontier<br />

Mean−μ 6 Efficient Frontier<br />

Mean−μ 8 Efficient Frontier<br />

0<br />

0 0.005 0.01 0.015 0.02 0.025<br />

1/n<br />

μ<br />

n<br />

Figure 3: This figure represents the generalized efficient frontier for a portfolio ma<strong>de</strong> of seventeen risky<br />

ass<strong>et</strong>s and a risk-free ass<strong>et</strong> whose interest r<strong>at</strong>e is s<strong>et</strong> to 5% a year. The optimiz<strong>at</strong>ion problem is solved<br />

numerically, using a gen<strong>et</strong>ic algorithm, with risk measures given by the centered moments µ2, µ4, µ6 and<br />

µ8.<br />

48

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