3. According to the capital asset pricing model:
A. an investor who is risk averse should hold at least some of the risk-free asset
in his portfolio.
B. a stock with high risk, measured as standard deviation of returns, will have
high expected returns in equilibrium.
C. all investors who take on risk will hold the same risky-asset portf olio.
4. Beta is best described as the:
A. slope of the security market line.
B. correlation of returns with those of the market portfolio.
C. covariance of returns with the market portfolio expressed in terms of the
variance of market returns.


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