Which of the following statements is false?
Once the characteristic variables have been identified and measured for each firm, the return
of each characteristic can be inferred from the data.
Using a long period of time to estimate beta reduces measurement error, but because firms
evolve dynamically, old data might not reflect the current risk profile of the firm.
Rather than attempt to estimate the risk and expected return of the firm indirectly, the
characteristic variable model of returns views firms as a portfolio of different measurable
“characteristics” that together determine the firm’s risk and return.
Even though the risk and return associated with each characteristic may remain stable,
because the characteristics of a firm may change over time, so will the firm’s risk and
expected return.
Which of the following statements is false?
The true market portfolio consists of all traded investment wealth in the economy.
Although the true market portfolio of all invested wealth might be efficient, the proxy
portfolio might not track the actual market very well.
We might be using the wrong proxy portfolio when we calculate alphas.
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.
Which of the following statements is false?
The information required to implement a momentum strategy is not readily available to
investors.
If the market portfolio is not efficient, then a stock‘s beta with the market is not an adequate
measure of its systematic risk.
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.
The existence of the momentum trading strategy has been widely known for at least ten years.