单选题 Which of the following is NOT an implication of risk aversion for the investment process?
  • A. The security market line is upward sloping.
  • B. The promised yield on AAA-rated bonds is higher than on A-rated bonds.
  • C. Investors expect a positive relationship between expected return and expected risk.
【正确答案】 B
【答案解析】AAA-rated bonds are generally perceived to be less risky than A-rated bonds and therefore offer lower returns.