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11) Which of the following statements is FALSE?
A) Beta is the expected percent change in the excess return of the security for a 1% change in the
excess return of the market portfolio.
B) Beta represents the amount by which risks that affect the overall market are amplified for a
given stock or investment.
C) It is common practice to estimate beta based on the historical correlation and volatilities.
D) Beta measures the diversifiable risk of a security, as opposed to its market risk, and is the
appropriate measure of the risk of a security for an investor holding the market portfolio.
12) Which of the following statements is FALSE?
A) One difficulty when trying to estimate beta for a security is that beta depends on the
correlation and volatilities of the security’s and market’s returns in the future.
B) It is common practice to estimate beta based on the expectations of future correlations and
volatilities.
C) One difficulty when trying to estimate beta for a security is that beta depends on investors
expectations of the correlation and volatilities of the security’s and market’s returns.
D) Securities that tend to move less than the market have betas below 1.
13) Which of the following statements is FALSE?
A) Securities that tend to move more than the market have betas higher than 0.
B) Securities whose returns tend to move in tandem with the market on average have a beta of 1.
C) Beta corresponds to the slope of the best fitting line in the plot of the securities excess returns
versus the market excess return.
D) The statistical technique that identifies the bets-fitting line through a set of points is called
linear regression.