Question

In: Finance

The standard deviation of a portfolio will tend to increase when: A. a risky asset in...

The standard deviation of a portfolio will tend to increase when:

A. a risky asset in the portfolio is replaced with U.S. Treasury bills.

B. one of two stocks related to the airline industry is replaced with a third stock that is unrelated to the airline industry.

C. the portfolio concentration in a single cyclical industry increases.

D. the weights of the various diverse securities become more evenly distributed.

E. short-term bonds are replaced with Treasury Bills.

Solutions

Expert Solution

A: Replacing Risky asset with risk-free asset (SD = 0) causes to decrease standard deviation of the portfolio

B: If it is replaced with unrelated stock, it can’t be predicted and can be lower or higher.

C: Portfolio Concentration is related to idiosyncratic (non-market) risk taken on by an ETF. High concentration increases risk. This is the right answer.

D: If now weights are evenly distributed, SD can be lower or higher.

E: same as A

jeff jeffy answered 3 years ago
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