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标题: Reading 57: Market Efficiency-LOS d 习题精选 [打印本页]

作者: 1215    时间: 2011-3-29 16:31     标题: [2011]Session 13-Reading 57: Market Efficiency-LOS d 习题精选

Session 13: Market Organization, Market Indices, and Market Efficiency
Reading 57: Market Efficiency

LOS d: Compare and contrast the weak-form, semi-strong form, and strong-form market efficiency.

 

 

The statement, "Stock prices fully reflect all information from public and private sources," can be attributed to which form of the efficient market hypothesis (EMH)?

A)
Strong-form EMH.
B)
Semistrong-form EMH.
C)
Weak-form EMH.


 

This is the definition of the strong-form EMH. Private sources include insider information, such as persons holding monopolistic access to information relevant to the formation of prices.


作者: 1215    时间: 2011-3-29 16:31

The strong-form efficient market hypothesis (EMH) asserts that stock prices fully reflect which of the following types of information?

A)
Public, private, and future.
B)
Public and private.
C)
Market.


The strong-form EMH assumes that stock prices fully reflect all information from public and private sources.


作者: 1215    时间: 2011-3-29 16:31

Which of the following is least likely an assumption behind the semistrong-form of the efficient market hypothesis (EMH)?

A)
The timing of news announcements are independent of each other.
B)
A large number of profit-maximizing participants.
C)
All information is cost-free and available to everyone at the same time.


The strong-form EMH assumes all information, both public and private, is cost-free and available to all investors at the same time.


作者: 1215    时间: 2011-3-29 16:31

Which of the following is NOT an assumption behind efficient capital markets?

A)
Return expectations implicitly include risk.
B)
New information occurs randomly, and the timing of announcements is independent of one another.
C)
Market participants correctly adjust prices to reflect new information.


The set of assumptions that imply an efficient capital market includes:


作者: 1215    时间: 2011-3-29 16:32

Which of the following statements on the forms of the efficient market hypothesis (EMH) is least accurate?

A)
The semi-strong form EMH addresses market and non-market public information.
B)
The strong-form EMH assumes perfect markets.
C)
The weak-form EMH states that stock prices reflect current public market information and expectations.


The weak-form EMH assumes the price of a security reflects all currently available historical information. Thus, the past price and volume of trading has no relationship with the future, hence technical analysis is not useful in achieving superior returns.

The other statements are true. The strong-form EMH states that stock prices reflect all types of information: market, non-public market, and private. No group has monopolistic access to relevant information; thus no group can achieve excess returns. For these assumptions to hold, the strong-form assumes perfect markets – information is free and available to all.


作者: 1215    时间: 2011-3-29 16:32

The semi-strong form of efficient market hypothesis (EMH) asserts that:

A)
both public and private information is already incorporated into security prices.
B)
past and future prices exhibit little or no relationship to another.
C)
all public information is already reflected in security prices.


Semi-strong EMH states that publicly available information cannot be used to consistently beat the market performance.


作者: 1215    时间: 2011-3-29 16:32

Which of the following statements about market efficiency is least accurate?

A)
The strong-form EMH assumes cost free availability of all information, both public and private.
B)
The weak-form EMH suggests that fundamental analysis will not provide excess returns while the semi-strong form suggests that technical analysis cannot achieve excess returns.
C)
The semi-strong form EMH addresses market and non-market public information.


The weak-form EMH suggests that technical analysis will not provide excess returns while the semi-strong form suggests that fundamental analysis cannot achieve excess returns. The weak-form EMH assumes the price of a security reflects all currently available historical information. Thus, the past price and volume of trading has no relationship with the future, hence technical analysis is not useful in achieving superior returns.

The other choices are correct. The strong-form EMH states that stock prices reflect all types of information: market, non-public market, and private. No group has monopolistic access to relevant information; thus no group can achieve excess returns. For these assumptions to hold, the strong-form assumes perfect markets – information is free and available to all.


作者: 1215    时间: 2011-3-29 16:32

Which of the following forms of the EMH assumes that no group of investors has monopolistic access to relevant information?

A)
Both weak and semistrong form.
B)
Strong-form.
C)
Weak-form.


The strong-form EMH assumes that stock prices fully reflect all information from public and private sources. In addition, no group of investors has monopolistic access to information relevant to the formation of prices.


作者: 1215    时间: 2011-3-29 16:32

The semi-strong form of the efficient market hypothesis (EMH) asserts that stock prices:

A)
fully reflect all historical price information.
B)
fully reflect all publicly available information.
C)
fully reflect all relevant information including insider information.


The semi-strong form of the EMH asserts that security prices fully reflect all publicly available information. This would include all historical information. The weak form relates to historical information only. The strong form relates to public and private information.


作者: 1215    时间: 2011-3-29 16:33

Which of the following forms of the EMH assumes that no group of investors has monopolistic access to relevant information?

A)
Weak-form.
B)
Strong-form.
C)
Both weak and semistrong form.


According to the strong-form EMH, security prices reflect all information, which includes the privately available (monopolistic) information.






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