Question: c thanks. (Markowitz fun) There are just three assets with rates of return r1,r2, and r3, respectively. The covariance matrix and the expected rates of

c thanks.

c thanks. (Markowitz fun) There are just three assets with rates of

(Markowitz fun) There are just three assets with rates of return r1,r2, and r3, respectively. The covariance matrix and the expected rates of return are =210121012,r=.4.8.8 (a) Find the global minimum-variance portfolio. (b) If the risk-free rate is rf=0.2, find the efficient portfolio of risky assets (that is, the tangent portfolio). (c) For a required return z=0.4, find the weight of the optimal portfolio with both risk-free and risky assets. (Markowitz fun) There are just three assets with rates of return r1,r2, and r3, respectively. The covariance matrix and the expected rates of return are =210121012,r=.4.8.8 (a) Find the global minimum-variance portfolio. (b) If the risk-free rate is rf=0.2, find the efficient portfolio of risky assets (that is, the tangent portfolio). (c) For a required return z=0.4, find the weight of the optimal portfolio with both risk-free and risky assets

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