Chapter 11

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Johns Hopkins University *

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Economics

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Jan 9, 2024

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1. Award: 10.00 points Problems? Adjust credit for all students. A successful firm like Microsoft has consistently generated large profits for years. Is this a violation of the EMH? Is this a violation of the EMH? No Explanation: No. Microsoft's continuing profitability does not imply that stock market investors who purchased Microsoft shares after its success was already evident would have earned an exceptionally high return on their investments. It simply means that Microsoft has made risky investments over the years that have paid off in the form of increased cash flows and profitability. Microsoft shareholders have benefited from the risk-expected return tradeoff, which is consistent with the EMH. Worksheet Difficulty: 1 Basic Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
2. Award: 10.00 points Problems? Adjust credit for all students. Which of the following (hypothetical) observations would most contradict the proposition that the stock market is weakly efficient? Which of the following (hypothetical) observations would most contradict the proposition that the stock market is weakly efficient? Every January, the stock market earns abnormal returns. Explanation: This is a predictable pattern in returns that should not occur if the weak-form EMH is valid. Worksheet Difficulty: 2 Intermediate Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
3. Award: 10.00 points Problems? Adjust credit for all students. Which of the following sources of market inefficiency would be most easily exploited? Which of the following sources of market inefficiency would be most easily exploited? A stock price drops suddenly due to a large sale by an institution. Explanation: Acute market inefficiencies are temporary in nature and are more easily exploited than chronic inefficiencies. A temporary drop in a stock price due to a large sale would be more easily exploited than the chronic inefficiencies mentioned in the other responses. Worksheet Difficulty: 2 Intermediate Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
4. Award: 10.00 points Problems? Adjust credit for all students. Suppose that, after conducting an analysis of past stock prices, you come up with the following observations. Which would appear to contradict the weak form of the efficient market hypothesis? Which would appear to contradict the weak form of the efficient market hypothesis? One could have made superior returns by buying stock after a 10% rise in price and selling after a 10% fall. Explanation: This is a classic filter rule that should not produce superior returns in an efficient market, even the weak form. Worksheet Difficulty: 2 Intermediate Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
5. Award: 10.00 points Problems? Adjust credit for all students. Which of the following statements are true if the efficient market hypothesis holds? Which of the following statements are true if the efficient market hypothesis holds? It implies that prices reflect all available information. Explanation: This is the definition of an efficient market. Worksheet Difficulty: 2 Intermediate Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
6. Award: 10.00 points Problems? Adjust credit for all students. Which of the following would be a viable way to earn abnormally high trading profits if markets are semistrong-form efficient? Which of the following would be a viable way to earn abnormally high trading profits if markets are semistrong-form efficient? Buy shares in companies for which you have advance knowledge of an improvement in the management team. Explanation: In a semistrong-form efficient market, it is not possible to earn abnormally high profits by trading on publicly available information. Information about P/E ratios and recent price changes is publicly known. On the other hand, an investor who has advance knowledge of management improvements could earn abnormally high trading profits (unless the market is also strong-form efficient). Worksheet Difficulty: 2 Intermediate Source: Investments (Bodie, 13e, ISBN 1266836322) > Chapter 11:The Efficient Market Hypothesis > Chapter 11 Problems - Algorithmic & Static References
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