Mean-variance portfolio theory - portfolio mean and variance
3 important questions on Mean-variance portfolio theory - portfolio mean and variance
Rate of return of the portfolio in terms of the returns of the individual returns
r=w1r1 + ...+ wnrn
Expected rate of return of the portfolio
E(r)=w1E(r1) + ... + wnE(rn)
Variance of portfolio return
wiwjσij
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