# Quiz 10: Arbitrage Pricing Theory and Multifactor Models of Risk and Return

Business

Q 1Q 1

___________ a relationship between expected return and risk.
A)APT stipulates
B)CAPM stipulates
C)Both CAPM and APT stipulate
D)Neither CAPM nor APT stipulate
E)No pricing model has been found.

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Multiple Choice

C Explanation: Both models attempt to explain asset pricing based on risk/return relationships.

Q 2Q 2

Consider the multifactor APT with two factors.Stock A has an expected return of 17.6%, a beta of 1.45 on factor 1, and a beta of .86 on factor 2.The risk premium on the factor 1 portfolio is 3.2%.The risk-free rate of return is 5%.What is the risk-premium on factor 2 if no arbitrage opportunities exist
A)9.26%
B)3%
C)4%
D)7.75%

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Multiple Choice

A Explanation: 17.6% = 1.45(3.2%) + .86x + 5%; x = 9.26.

Q 3Q 3

In a multifactor APT model, the coefficients on the macro factors are often called
A)systemic risk.
B)factor sensitivities.
C)idiosyncratic risk.
D)factor betas.
E)factor sensitivities and factor betas.

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Multiple Choice

E Explanation: The coefficients are called factor betas, factor sensitivities, or factor loadings.

Q 4Q 4

In a multifactor APT model, the coefficients on the macro factors are often called
A)systemic risk.
B)firm-specific risk.
C)idiosyncratic risk.
D)factor betas.

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Multiple Choice

Q 5Q 5

In a multifactor APT model, the coefficients on the macro factors are often called
A)systemic risk.
B)firm-specific risk.
C)idiosyncratic risk.
D)factor loadings.

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Multiple Choice

Q 6Q 6

Which pricing model provides no guidance concerning the determination of the risk premium on factor portfolios
A)The CAPM
B)The multifactor APT
C)Both the CAPM and the multifactor APT
D)Neither the CAPM nor the multifactor APT
E)None of the options is a true statement.

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Multiple Choice

Q 7Q 7

An arbitrage opportunity exists if an investor can construct a __________ investment portfolio that will yield a sure profit.
A)positive
B)negative
C)zero
D)All of the options
E)None of the options

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Multiple Choice

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Multiple Choice

Q 9Q 9

A _________ portfolio is a well-diversified portfolio constructed to have a beta of 1 on one of the factors and a beta of 0 on any other factor.
A)factor
B)market
C)index
D)factor and market
E)factor, market, and index

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Multiple Choice

Q 10Q 10

The exploitation of security mispricing in such a way that risk-free economic profits may be earned is called
A)arbitrage.
B)capital asset pricing.
C)factoring.
D)fundamental analysis.
E)None of the options

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Multiple Choice

Q 11Q 11

In developing the APT, Ross assumed that uncertainty in asset returns was a result of
A)a common macroeconomic factor.
B)firm-specific factors.
C)pricing error.
D)a common macroeconomic factor and firm-specific factors.

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Multiple Choice

Q 12Q 12

The ____________ provides an unequivocal statement on the expected return-beta relationship for all assets, whereas the _____________ implies that this relationship holds for all but perhaps a small number of securities.
A)APT, CAPM
B)APT, OPM
C)CAPM, APT
D)CAPM, OPM

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Multiple Choice

Q 13Q 13

Consider a single factor APT.Portfolio A has a beta of 1.0 and an expected return of 16%.Portfolio B has a beta of 0.8 and an expected return of 12%.The risk-free rate of return is 6%.If you wanted to take advantage of an arbitrage opportunity, you should take a short position in portfolio __________ and a long position in portfolio _______.
A)A, A
B)A, B
C)B, A
D)B, B
E)A, the riskless asset

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Multiple Choice

Q 14Q 14

Consider the single factor APT.Portfolio A has a beta of 0.2 and an expected return of 13%.Portfolio B has a beta of 0.4 and an expected return of 15%.The risk-free rate of return is 10%.If you wanted to take advantage of an arbitrage opportunity, you should take a short position in portfolio _________ and a long position in portfolio _________.
A)
A)A, A
B)A, B
C)B, A
D)B, B

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Multiple Choice

Q 15Q 15

Consider the one-factor APT.The variance of returns on the factor portfolio is 6%.The beta of a well-diversified portfolio on the factor is 1.1.The variance of returns on the well-diversified portfolio is approximately
A)3.6%.
B)6.0%.
C)7.3%.
D)10.1%.

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Multiple Choice

Q 16Q 16

Consider the one-factor APT.The standard deviation of returns on a well-diversified portfolio is 18%.The standard deviation on the factor portfolio is 16%.The beta of the well-diversified portfolio is approximately
A)0.80.
B)1.13.
C)1.25.
D)1.56.

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Multiple Choice

Q 17Q 17

Consider the single-factor APT.Stocks A and B have expected returns of 15% and 18%, respectively.The risk-free rate of return is 6%.Stock B has a beta of 1.0.If arbitrage opportunities are ruled out, stock A has a beta of
A)0.67.
B)1.00.
C)1.30.
D)1.69.
E)0.75.

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Multiple Choice

Q 18Q 18

Consider the multifactor APT with two factors.Stock A has an expected return of 16.4%, a beta of 1.4 on factor 1 and a beta of .8 on factor 2.The risk premium on the factor 1 portfolio is 3%.The risk-free rate of return is 6%.What is the risk-premium on factor 2 if no arbitrage opportunities exist
A)2%
B)3%
C)4%
D)7.75%

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Multiple Choice

Q 19Q 19

Consider the multifactor model APT with two factors.Portfolio A has a beta of 0.75 on factor 1 and a beta of 1.25 on factor 2.The risk premiums on the factor 1 and factor 2 portfolios are 1% and 7%, respectively.The risk-free rate of return is 7%.The expected return on portfolio A is __________ if no arbitrage opportunities exist.
A)13.5%
B)15.0%
C)16.5%
D)23.0%

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Multiple Choice

Q 20Q 20

Consider the multifactor APT with two factors.The risk premiums on the factor 1 and factor 2 portfolios are 5% and 6%, respectively.Stock A has a beta of 1.2 on factor 1, and a beta of 0.7 on factor 2.The expected return on stock A is 17%.If no arbitrage opportunities exist, the risk-free rate of return is
A)6.0%.
B)6.5%.
C)6.8%.
D)7.4%.

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Multiple Choice

Q 21Q 21

Consider a one-factor economy.Portfolio A has a beta of 1.0 on the factor and portfolio B has a beta of 2.0 on the factor.The expected returns on portfolios A and B are 11% and 17%, respectively.Assume that the risk-free rate is 6% and that arbitrage opportunities exist.Suppose you invested $100,000 in the risk-free asset, $100,000 in portfolio B, and sold short $200,000 of portfolio
A)-$1,000.
A)Your expected profit from this strategy would be
B)$0.
C)$1,000.
D)$2,000.

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Multiple Choice

Q 22Q 22

Consider the one-factor APT.Assume that two portfolios, A and B, are well diversified.The betas of portfolios A and B are 1.0 and 1.5, respectively.The expected returns on portfolios A and B are 19% and 24%, respectively.Assuming no arbitrage opportunities exist, the risk-free rate of return must be
A)4.0%.
B)9.0%.
C)14.0%.
D)16.5%.

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Multiple Choice

Q 23Q 23

Consider the multifactor APT.The risk premiums on the factor 1 and factor 2 portfolios are 5% and 3%, respectively.The risk-free rate of return is 10%.Stock A has an expected return of 19% and a beta on factor 1 of 0.8.Stock A has a beta on factor 2 of
A)1.33.
B)1.50.
C)1.67.
D)2.00.

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Multiple Choice

Q 24Q 24

Consider the single factor APT.Portfolios A and B have expected returns of 14% and 18%, respectively.The risk-free rate of return is 7%.Portfolio A has a beta of 0.7.If arbitrage opportunities are ruled out, portfolio B must have a beta of
A)0.45.
B)1.00.
C)1.10.
D)1.22.
E)None of the options

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Multiple Choice

Q 25Q 25

There are three stocks, A, B, and
A)3.0%
B)14.5%
C)15.5%
C)You can either invest in these stocks or short sell them.There are three possible states of nature for economic growth in the upcoming year (each equally likely to occur); economic growth may be strong, moderate, or weak.The returns for the upcoming year on stocks A, B, and C for each of these states of nature are given below:
D)16.0%

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Multiple Choice

Q 26Q 26

There are three stocks, A, B, and
A)17.0%
B)22.5%
C)30.0%
C)You can either invest in these stocks or short sell them.There are three possible states of nature for economic growth in the upcoming year (each equally likely to occur); economic growth may be strong, moderate, or weak.The returns for the upcoming year on stocks A, B, and C for each of these states of nature are given below:
D)30.5%

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Multiple Choice

Q 27Q 27

There are three stocks, A, B, and
A)-2.5%
B)0.5%
C)3.0%
C)You can either invest in these stocks or short sell them.There are three possible states of nature for economic growth in the upcoming year (each equally likely to occur); economic growth may be strong, moderate, or weak.The returns for the upcoming year on stocks A, B, and C for each of these states of nature are given below:
D)11.0%

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Multiple Choice

Q 28Q 28

There are three stocks, A, B, and
A)A, B and C
B)B, A and C
C)C, A and B
C)You can either invest in these stocks or short sell them.There are three possible states of nature for economic growth in the upcoming year (each equally likely to occur); economic growth may be strong, moderate, or weak.The returns for the upcoming year on stocks A, B, and C for each of these states of nature are given below:
D)A and B, C

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Multiple Choice

Q 29Q 29

Consider the multifactor APT.There are two independent economic factors, F

_{1}and F_{2}.The risk-free rate of return is 6%.The following information is available about two well-diversified portfolios: Assuming no arbitrage opportunities exist, the risk premium on the factor F_{1}portfolio should be A)3%. B)4%. C)5%. D)6%.Free

Multiple Choice

Q 30Q 30

Consider the multifactor APT.There are two independent economic factors, F

_{1}and F_{2}.The risk-free rate of return is 6%.The following information is available about two well-diversified portfolios: Assuming no arbitrage opportunities exist, the risk premium on the factor F_{2}portfolio should be A)3%. B)4%. C)5%. D)6%.Free

Multiple Choice

Q 31Q 31

A zero-investment portfolio with a positive expected return arises when
A)an investor has downside risk only.
B)the law of prices is not violated.
C)the opportunity set is not tangent to the capital allocation line.
D)a risk-free arbitrage opportunity exists.

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Multiple Choice

Q 32Q 32

An investor will take as large a position as possible when an equilibrium price relationship is violated.This is an example of
A)a dominance argument.
B)the mean-variance efficiency frontier.
C)a risk-free arbitrage.
D)the capital asset pricing model.

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Multiple Choice

Q 33Q 33

The APT differs from the CAPM because the APT
A)places more emphasis on market risk.
B)minimizes the importance of diversification.
C)recognizes multiple unsystematic risk factors.
D)recognizes multiple systematic risk factors.

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Multiple Choice

Q 34Q 34

The feature of the APT that offers the greatest potential advantage over the CAPM is the
A)use of several factors instead of a single market index to explain the risk-return relationship.
B)identification of anticipated changes in production, inflation, and term structure as key factors in explaining the risk-return relationship.
C)superior measurement of the risk-free rate of return over historical time periods.
D)variability of coefficients of sensitivity to the APT factors for a given asset over time.
E)None of the options

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Multiple Choice

Q 35Q 35

In terms of the risk/return relationship in the APT,
A)only factor risk commands a risk premium in market equilibrium.
B)only systematic risk is related to expected returns.
C)only nonsystematic risk is related to expected returns.
D)only factor risk commands a risk premium in market equilibrium and only systematic risk is related to expected returns.
E)only factor risk commands a risk premium in market equilibrium and only nonsystematic risk is related to expected returns.

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Multiple Choice

Q 36Q 36

The following factors might affect stock returns
A)the business cycle.
B)interest rate fluctuations.
C)inflation rates.
D)All of the options

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Multiple Choice

Q 37Q 37

Advantage(s) of the APT is(are)
A)that the model provides specific guidance concerning the determination of the risk premiums on the factor portfolios.
B)that the model does not require a specific benchmark market portfolio.
C)that risk need not be considered.
D)that the model provides specific guidance concerning the determination of the risk premiums on the factor portfolios and that the model does not require a specific benchmark market portfolio.
E)that the model does not require a specific benchmark market portfolio and that risk need not be considered.

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Multiple Choice

Q 38Q 38

Portfolio A has expected return of 10% and standard deviation of 19%.Portfolio B has expected return of 12% and standard deviation of 17%.Rational investors will
A)borrow at the risk-free rate and buy A.
B)sell A short and buy B.
C)sell B short and buy A.
D)borrow at the risk-free rate and buy B.
E)lend at the risk-free rate and buy B.

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Multiple Choice

Q 39Q 39

An important difference between CAPM and APT is
A)CAPM depends on risk-return dominance; APT depends on a no arbitrage condition.
B)CAPM assumes many small changes are required to bring the market back to equilibrium; APT assumes a few large changes are required to bring the market back to equilibrium.
C)implications for prices derived from CAPM arguments are stronger than prices derived from APT arguments.
D)All of the options are true.
E)Both CAPM depends on risk-return dominance; APT depends on a no arbitrage condition and CAPM assumes many small changes are required to bring the market back to equilibrium; APT assumes a few large changes are required to bring the market back to equilibrium.

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Multiple Choice

Q 40Q 40

A professional who searches for mispriced securities in specific areas such as merger-target stocks, rather than one who seeks strict (risk-free) arbitrage opportunities is engaged in
A)pure arbitrage.
B)risk arbitrage.
C)option arbitrage.
D)equilibrium arbitrage.

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Multiple Choice

Q 41Q 41

In the context of the Arbitrage Pricing Theory, as a well-diversified portfolio becomes larger its nonsystematic risk approaches
A)one.
B)infinity.
C)zero.
D)negative one.

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Multiple Choice

Q 42Q 42

A well-diversified portfolio is defined as
A)one that is diversified over a large enough number of securities that the nonsystematic variance is essentially zero.
B)one that contains securities from at least three different industry sectors.
C)a portfolio whose factor beta equals 1.0.
D)a portfolio that is equally weighted.

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Multiple Choice

Q 43Q 43

The APT requires a benchmark portfolio
A)that is equal to the true market portfolio.
B)that contains all securities in proportion to their market values.
C)that need not be well-diversified.
D)that is well-diversified and lies on the SML.
E)that is unobservable.

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Multiple Choice

Q 44Q 44

Imposing the no-arbitrage condition on a single-factor security market implies which of the following statements
I) The expected return-beta relationship is maintained for all but a small number of well-diversified portfolios.
II) The expected return-beta relationship is maintained for all well-diversified portfolios.
III) The expected return-beta relationship is maintained for all but a small number of individual securities.
IV) The expected return-beta relationship is maintained for all individual securities.
A)I and III
B)I and IV
C)II and III
D)II and IV
E)Only I is correct.

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Multiple Choice

Q 45Q 45

Consider a well-diversified portfolio, A, in a two-factor economy.The risk-free rate is 6%, the risk premium on the first factor portfolio is 4% and the risk premium on the second factor portfolio is 3%.If portfolio A has a beta of 1.2 on the first factor and .8 on the second factor, what is its expected return
A)7.0%
B)8.0%
C)9.2%
D)13.0%
E)13.2%

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Multiple Choice

Q 46Q 46

The term "arbitrage" refers to
A)buying low and selling high.
B)short selling high and buying low.
C)earning risk-free economic profits.
D)negotiating for favorable brokerage fees.
E)hedging your portfolio through the use of options.

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Multiple Choice

Q 47Q 47

To take advantage of an arbitrage opportunity, an investor would I) construct a zero investment portfolio that will yield a sure profit.
II) construct a zero beta investment portfolio that will yield a sure profit.
III) make simultaneous trades in two markets without any net investment.
IV) short sell the asset in the low-priced market and buy it in the high-priced market.
A)I and IV
B)I and III
C)II and III
D)I, III, and IV
E)II, III, and IV

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Multiple Choice

Q 48Q 48

The factor F in the APT model represents
A)firm-specific risk.
B)the sensitivity of the firm to that factor.
C)a factor that affects all security returns.
D)the deviation from its expected value of a factor that affects all security returns.
E)a random amount of return attributable to firm events.

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Multiple Choice

Q 49Q 49

In the APT model, what is the nonsystematic standard deviation of an equally weighted portfolio that has an average value of σ(e

_{i}) equal to 25% and 50 securities A)12.5% B)625% C)0.5% D)3.54% E)14.59%Free

Multiple Choice

Q 50Q 50

In the APT model, what is the nonsystematic standard deviation of an equally weighted portfolio that has an average value of σ(e

_{i}) equal to 20% and 20 securities A)12.5% B)625% C)4.47% D)3.54% E)14.59%Free

Multiple Choice

Q 51Q 51

In the APT model, what is the nonsystematic standard deviation of an equally weighted portfolio that has an average value of σ(e

_{i}) equal to 20% and 40 securities A)12.5% B)625% C)0.5% D)3.54% E)3.16%Free

Multiple Choice

Q 52Q 52

In the APT model, what is the nonsystematic standard deviation of an equally weighted portfolio that has an average value of σ(e

_{i}) equal to 18% and 250 securities A)1.14% B)625% C)0.5% D)3.54% E)3.16%Free

Multiple Choice

Q 53Q 53

Which of the following is true about the security market line (SML) derived from the APT
A)The SML has a downward slope.
B)The SML for the APT shows expected return in relation to portfolio standard deviation.
C)The SML for the APT has an intercept equal to the expected return on the market portfolio.
D)The benchmark portfolio for the SML may be any well-diversified portfolio.
E)The SML is not relevant for the APT.

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Multiple Choice

Q 54Q 54

Which of the following is false about the security market line (SML) derived from the APT
A)The SML has a downward slope.
B)The SML for the APT shows expected return in relation to portfolio standard deviation.
C)The SML for the APT has an intercept equal to the expected return on the market portfolio.
D)The benchmark portfolio for the SML may be any well-diversified portfolio.
E)The SML has a downward slope, shows expected return in relation to portfolio standard deviation, and has an intercept equal to the expected return on the market portfolio.

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Multiple Choice

Q 55Q 55

If arbitrage opportunities are to be ruled out, each well-diversified portfolio's expected excess return must be
A)inversely proportional to the risk-free rate.
B)inversely proportional to its standard deviation.
C)proportional to its weight in the market portfolio.
D)proportional to its standard deviation.
E)proportional to its beta coefficient.

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Multiple Choice

Q 56Q 56

Suppose you are working with two factor portfolios, portfolio 1 and portfolio 2.The portfolios have expected returns of 15% and 6%, respectively.Based on this information, what would be the expected return on well-diversified portfolio A, if A has a beta of 0.80 on the first factor and 0.50 on the second factor The risk-free rate is 3%.
A)15.2%
B)14.1%
C)13.3%
D)10.7%
E)8.4%

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Multiple Choice

Q 57Q 57

Which of the following is(are) true regarding the APT
I) The security market line does not apply to the APT.
II) More than one factor can be important in determining returns.
III) Almost all individual securities satisfy the APT relationship.
IV) It doesn't rely on the market portfolio that contains all assets.
A)II, III, and IV
B)II and IV
C)II and III
D)I, II, and IV
E)I, II, III, and IV

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Multiple Choice

Q 58Q 58

In a factor model, the return on a stock in a particular period will be related to
A)factor risk.
B)nonfactor risk.
C)standard deviation of returns.
D)factor risk and nonfactor risk.
E)None of the options is true.

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Multiple Choice

Q 59Q 59

Which of the following factors did Chen, Roll, and Ross not include in their multifactor model
A)Change in industrial production
B)Change in expected inflation
C)Change in unanticipated inflation
D)Excess return of long-term government bonds over T-bills
E)All of the factors are included in the Chen, Roll, and Ross multifactor model.

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Multiple Choice

Q 60Q 60

Which of the following factors did Chen, Roll, and Ross include in their multifactor model
A)Change in industrial waste
B)Change in expected inflation
C)Change in unanticipated inflation
D)Change in expected inflation and unanticipated inflation
E)All of the factors were included in their model.

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Multiple Choice

Q 61Q 61

Which of the following factors were used by Fama and French in their multifactor model
A)Return on the market index
B)Excess return of small stocks over large stocks
C)Excess return of high book-to-market stocks over low book-to-market stocks
D)All of the factors were included in their model.
E)None of the factors were included in their model.

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Multiple Choice

Q 62Q 62

Consider the single-factor APT.Stocks A and B have expected returns of 12% and 14%, respectively.The risk-free rate of return is 5%.Stock B has a beta of 1.2.If arbitrage opportunities are ruled out, stock A has a beta of
A)0.67.
B)0.93.
C)1.30.
D)1.69.

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Multiple Choice

Q 63Q 63

Consider the one-factor APT.The standard deviation of returns on a well-diversified portfolio is 19%.The standard deviation on the factor portfolio is 12%.The beta of the well-diversified portfolio is approximately
A)1.58.
B)1.13.
C)1.25.
D)0.76.

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Multiple Choice

Q 64Q 64

Black argues that past risk premiums on firm-characteristic variables, such as those described by Fama and French, are problematic because
A)they may result from data snooping.
B)they are sources of systematic risk.
C)they can be explained by security characteristic lines.
D)they are more appropriate for a single-factor model.
E)they are macroeconomic factors.

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Multiple Choice

Q 65Q 65

Multifactor models seek to improve the performance of the single-index model by
A)modeling the systematic component of firm returns in greater detail.
B)incorporating firm-specific components into the pricing model.
C)allowing for multiple economic factors to have differential effects.
D)All of the options.
E)None of the options is true.

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Multiple Choice

Q 66Q 66

Multifactor models, such as the one constructed by Chen, Roll, and Ross, can better describe assets' returns by
A)expanding beyond one factor to represent sources of systematic risk.
B)using variables that are easier to forecast ex ante.
C)calculating beta coefficients by an alternative method.
D)using only stocks with relatively stable returns.
E)ignoring firm-specific risk.

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Multiple Choice

Q 67Q 67

Consider the multifactor model APT with three factors.Portfolio A has a beta of 0.8 on factor 1, a beta of 1.1 on factor 2, and a beta of 1.25 on factor 3.The risk premiums on the factor 1, factor 2, and factor 3 are 3%, 5%, and 2%, respectively.The risk-free rate of return is 3%.The expected return on portfolio A is __________ if no arbitrage opportunities exist.
A)13.5%
B)13.4%
C)16.5%
D)23.0%

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Multiple Choice

Q 68Q 68

Consider the multifactor APT.The risk premiums on the factor 1 and factor 2 portfolios are 6% and 4%, respectively.The risk-free rate of return is 4%.Stock A has an expected return of 16% and a beta on factor 1 of 1.3.Stock A has a beta on factor 2 of
A)1.33.
B)1.05.
C)1.67.
D)2.00.

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Multiple Choice

Q 69Q 69

Consider a well-diversified portfolio, A, in a two-factor economy.The risk-free rate is 5%, the risk premium on the first factor portfolio is 4% and the risk premium on the second factor portfolio is 6%.If portfolio A has a beta of 0.6 on the first factor and 1.8 on the second factor, what is its expected return
A)7.0%
B)8.0%
C)18.2%
D)13.0%
E)13.2%

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Multiple Choice

Q 70Q 70

Consider a single factor APT.Portfolio A has a beta of 2.0 and an expected return of 22%.Portfolio B has a beta of 1.5 and an expected return of 17%.The risk-free rate of return is 4%.If you wanted to take advantage of an arbitrage opportunity, you should take a short position in portfolio __________ and a long position in portfolio _______.
A)A, A
B)A, B
C)B, A
D)B, B
E)A, the riskless asset

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Multiple Choice

Q 71Q 71

Consider the single factor APT.Portfolio A has a beta of 0.5 and an expected return of 12%.Portfolio B has a beta of 0.4 and an expected return of 13%.The risk-free rate of return is 5%.If you wanted to take advantage of an arbitrage opportunity, you should take a short position in portfolio _________ and a long position in portfolio _________.
A)A, A
B)
B)A, B
C)B, A
D)B, B

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Multiple Choice

Q 72Q 72

Consider the one-factor APT.The variance of returns on the factor portfolio is 9%.The beta of a well-diversified portfolio on the factor is 1.25.The variance of returns on the well-diversified portfolio is approximately
A)3.6%.
B)6.0%.
C)7.3%.
D)14.1%.

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Multiple Choice

Q 73Q 73

Consider the one-factor APT.The variance of returns on the factor portfolio is 11%.The beta of a well-diversified portfolio on the factor is 1.45.The variance of returns on the well-diversified portfolio is approximately
A)23.1%.
B)6.0%.
C)7.3%.
D)14.1%.

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Multiple Choice

Q 74Q 74

Consider the one-factor APT.The standard deviation of returns on a well-diversified portfolio is 22%.The standard deviation on the factor portfolio is 14%.The beta of the well-diversified portfolio is approximately
A)0.80.
B)1.13.
C)1.25.
D)1.57.

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Multiple Choice

Q 75Q 75

Discuss the advantages of arbitrage pricing theory (APT) over the capital asset pricing model (CAPM) relative to diversified portfolios.

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Essay

Q 76Q 76

Discuss the advantages of the multifactor APT over the single factor APT and the CAPM.What is one shortcoming of the multifactor APT and how does this shortcoming compare to CAPM implications

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Essay

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Essay

Q 78Q 78

Discuss the similarities and the differences between the CAPM and the APT with regard to the following factors: capital market equilibrium, assumptions about risk aversion, risk-return dominance, and the number of investors required to restore equilibrium.

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Essay

Q 79Q 79

Security A has a beta of 1.0 and an expected return of 12%.Security B has a beta of 0.75 and an expected return of 11%.The risk-free rate is 6%.Explain the arbitrage opportunity that exists; explain how an investor can take advantage of it.Give specific details about how to form the portfolio, what to buy and what to sell.
B.The investor can accomplish this by choosing .75 as the weight in A and .25 in the risk-free asset.This portfolio would have E(r

_{p}) = 0.75(12%) + 0.25(6%) = 10.5%, which is less than B's 11% expected return.The investor should buy B and finance the purchase by short selling A and borrowing at the risk-free asset.Feedback: The student can apply arbitrage principles.Free

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Q 80Q 80

Name three variables that Chen, Roll, and Ross used to measure the impact of macroeconomic factors on security returns.Briefly explain the reasoning behind their model.

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