A、Hatred
B、Passion
C、Pulchritude
D、Vitality
A、Hoy es 20 de abril.
B、Hoy es miércoles.
C、En el mes de mayo.
D、En el año 1946.
A、Bombay
B、Bomb
C、Bubble
D、Baby
A、range
B、ranges
C、ranging
D、ranged
Considering a simple portfolio investment strategy: holding N risky assets that have identical expected returns, E(r), and standard deviations, σ, and putting 1/N of your money in each. Assume that the correlation coefficients of all pairs are ρ. Denote the standard deviation of each asset and the portfolio are σ and σP, respectively. The variance of the portfolio can be expressed asWhich of the following statements is correct?
A、The first part of the expression represents the non-diversifiable risk
B、The second part of the expression represents the non-diversifiable risk
C、If ρ=1, all risk can be diversified
D、If ρ=-1, all risk can be diversified
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