Solutions for Appendix A: CFA Questions and Problems
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iii. Strong form of EMH holds that current market prices reflect all information, whether publicly available or
privately held, that is relevant to the firm.
B. Technical analysis in the form of charring involves the search for recurrent and predictable patterns in stock
prices to enhance returns. The EMH implies that this type of technical analysis is without value. If past prices
contain no useful information for predicting future prices, there is no point in following any technical trading rule
for timing the purchases and sales of securities. According to weak-form efficiency, no investor can earn excess
returns by developing trading rules based on historical price and return information. A simple policy of buying and
holding will be at least as good as any technical procedure. Tests generally show that technical trading rules do not
produce superior returns after making adjustments for transactions costs and taxes.
Fundamental analysis uses earnings and dividend prospects of the firm, expectations of future interest rates, and risk
C. Portfolio managers have several roles or responsibilities even in perfectly efficient markets. The most
important responsibility is to:
i. Identify the risk/return objectives for the portfolio given the investor’s constraints. In an efficient market,
portfolio managers are responsible for tailoring the portfolio to meet the investor’s needs rather than requirements
and risk tolerance. Rational portfolio management also requires examining the investor’s constraints, such as