单选题 Which of the following statements about portfolio diversification is TRUE?
  • A. The efficient frontier represents individual securities.
  • B. When a risk-averse investor is confronted with two investment opportunities having the same expected return, the investor will take the opportunity with the lower risk.
  • C. When a portfolio is efficient, it will lie above and to the left of the efficient frontier.
【正确答案】 B
【答案解析】The lower the correlation coefficient, the greater the potential for diversification. Efficient portfolios lie on the efficient frontier.