24) Which of the following statements is FALSE?
A) The existence of the momentum trading strategies has been widely known for at least ten years.
B) The information required to implement a momentum strategy is not readily available to investors.
C) If the market portfolio is not efficient, then a stock’s beta with the market is not an adequate measure
of its systematic risk.
D) If the market portfolio is not efficient, then the so-called profits from a positive alpha trading strategy
are really returns for bearing risk that investors are averse to and the CAPM doesn’t capture.
25) Which of the following statements is FALSE?
A) A significant fraction of investors might care about aspects of their portfolios other than expected
return and volatility, and so would be unwilling to hold inefficient investment portfolios.
B) Although the true market portfolio of all invested wealth might be efficient, the proxy portfolio
might not track the actual market very well.
C) We might be using the wrong proxy portfolio when we calculate alphas.
D) The true market portfolio consists of all traded investment wealth in the economy.
26) Which of the following statements is FALSE?
A) Nonzero alphas may merely indicate that the wrong market proxy is beings used; they do not
necessarily indicate forgone positive NPV investment opportunities.
B) The true market portfolio contains much more than just stocks, it includes bonds, real estate, art,
precious metals, and any other investment vehicles available.
C) If the true market portfolio is efficient, but the proxy portfolio is not highly correlated with the true
market portfolio, then the true market portfolio will not be efficient and stocks will have nonzero
alphas.
D) Much of the investment wealth cannot be included in the proxy for the market portfolio since it does
not trade in competitive markets.