投資學(xué)課后答案APT;

1、chapter 10 - arbitrage pricing theory and multifactor models of risk and returnchapter 10arbitrage pricing theory and multifactor models of risk and return multiple choice questions1._ a relationship between expected return and risk.a.apt stipulatesb.capm stipulatesc.both capm and apt stipulated.nei

2、ther capm nor apt stipulatee.no pricing model has found2.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 t

3、he risk-premium on factor 2 if no arbitrage opportunities exit?a.9.26%b.3%c.4%d.7.75%e.9.75%3.in a multi-factor apt model, the coefficients on the macro factors are often called _.a.systemic riskb.factor sensitivitiesc.idiosyncratic riskd.factor betase.both factor sensitivities and factor betas4.in

4、a multi-factor apt model, the coefficients on the macro factors are often called _.a.systemic riskb.firm-specific riskc.idiosyncratic riskd.factor betase.unique risk5.in a multi-factor apt model, the coefficients on the macro factors are often called _.a.systemic riskb.firm-specific riskc.idiosyncra

5、tic riskd.factor loadingse.unique risk6.which pricing model provides no guidance concerning the determination of the risk premium on factor portfolios?a.the capmb.the multifactor aptc.both the capm and the multifactor aptd.neither the capm nor the multifactor apte.no pricing model currently exists t

6、hat provides guidance concerning the determination of the risk premium on any portfolio7.an arbitrage opportunity exists if an investor can construct a _ investment portfolio that will yield a sure profit.a.small positiveb.small negativec.zerod.large positivee.large negative8.the apt was developed i

7、n 1976 by _.a.lintnerb.modigliani and millerc.rossd.sharpee.fama9.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.factorb.marketc.indexd.factor and markete.factor, market, and index10.the exploitation of securi

8、ty mispricing in such a way that risk-free economic profits may be earned is called _.a.arbitrageb.capital asset pricingc.factoringd.fundamental analysise.technical analysis11.in developing the apt, ross assumed that uncertainty in asset returns was a result ofa.a common macroeconomic factor.b.firm-

9、specific factors.c.pricing error.d.neither common macroeconomic factors nor firm-specific factors.e.both common macroeconomic factors and firm-specific factors.12.the _ provides an unequivocal statement on the expected return-beta relationship for all assets, whereas the _ implies that this relation

10、ship holds for all but perhaps a small number of securities.a.apt; capmb.apt; opmc.capm; aptd.capm; opme.apt and opm; capm13.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 r

11、eturn 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; ab.a; bc.b; ad.b; be.a; the riskless asset14.consider the single factor apt. portfolio a has a beta of 0.2 and an expected return of 13%.

12、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; ab.a; bc.b; ad.b; be.no arbitrage opportunity exists.

13、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%e.8.6%16.consider the one-factor apt. the standa

14、rd 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.0.80b.1.13c.1.25d.1.56e.0.9317.consider the single-factor apt. stocks a and b have expected returns of 15% and 18%, r

15、espectively. 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.0.67b.1.00c.1.30d.1.69e.0.7518.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

16、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 exit?a.2%b.3%c.4%d.7.75%e.6.89%19.consider the multifactor model apt with two factors. portfolio a has a beta of 0.75 on factor

17、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%e.18.7%20.consider the multifactor apt

18、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

19、.8%d.7.4%e.7.7%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

20、 you invested $100,000 in the risk-free asset, $100,000 in portfolio b, and sold short $200,000 of portfolio a. your expected profit from this strategy would be _.a.$1,000b.$0c.$1,000d.$2,000e.$1,60022.consider the one-factor apt. assume that two portfolios, a and b, are well diversified. the betas

21、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%e.8.2%23.consider the multifactor apt. the risk premiums on the f

22、actor 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.1.33b.1.50c.1.67d.2.00e.1.7324.consider the single factor apt. portfolios a and b have expected

23、 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.0.45b.1.00c.1.10d.1.22e.1.33there are three stocks, a, b, and c. you can either invest in these stocks or short sell

24、 them. there are three possible states of nature for economic growth in the upcoming year; 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:25.if you invested in an equally weighted portfolio

25、of stocks a and b, your portfolio return would be _ if economic growth were moderate.a.3.0%b.14.5%c.15.5%d.16.0%e.17.0%26.if you invested in an equally weighted portfolio of stocks a and c, your portfolio return would be _ if economic growth was strong.a.17.0%b.22.5%c.30.0%d.30.5%e.25.6%27.if you in

26、vested in an equally weighted portfolio of stocks b and c, your portfolio return would be _ if economic growth was weak.a.2.5%b.0.5%c.3.0%d.11.0%e.9.0%28.if you wanted to take advantage of a risk-free arbitrage opportunity, you should take a short position in _ and a long position in an equally weig

27、hted portfolio of _.a.a; b and cb.b; a and cc.c; a and bd.a and b; ce.no arbitrage opportunity exists.consider the multifactor apt. there are two independent economic factors, f1and f2. the risk-free rate of return is 6%. the following information is available about two well-diversified portfolios:2

28、9.assuming no arbitrage opportunities exist, the risk premium on the factor f1portfolio should be _.a.3%b.4%c.5%d.6%e.2%30.assuming no arbitrage opportunities exist, the risk premium on the factor f2 portfolio should be _.a.3%b.4%c.5%d.6%e.2%31.a zero-investment portfolio with a positive expected re

29、turn arises when _.a.an investor has downside risk onlyb.the law of prices is not violatedc.the opportunity set is not tangent to the capital allocation lined.a risk-free arbitrage opportunity existse.a risk-free arbitrage opportunity does not exist32.an investor will take as large a position as pos

30、sible when an equilibrium price relationship is violated. this is an example of _.a.a dominance argumentb.the mean-variance efficiency frontierc.a risk-free arbitraged.the capital asset pricing modele.the sml33.the apt differs from the capm because the apt _.a.places more emphasis on market riskb.mi

31、nimizes the importance of diversificationc.recognizes multiple unsystematic risk factorsd.recognizes multiple systematic risk factorse.places more emphasis on systematic risk34.the feature of the apt that offers the greatest potential advantage over the capm is the _.a.use of several factors instead

32、 of a single market index to explain the risk-return relationshipb.identification of anticipated changes in production, inflation, and term structure as key factors in explaining the risk-return relationshipc.superior measurement of the risk-free rate of return over historical time periodsd.variabil

33、ity of coefficients of sensitivity to the apt factors for a given asset over timee.superior measurement of the risk-free rate of return over historical time periods and variability of coefficients of sensitivity to the apt factors for a given asset over time35.in terms of the risk/return relationshi

34、p in the apta.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

35、 returns.e.only factor risk commands a risk premium in market equilibrium and only nonsystematic risk is related to expected returns.36.the following factors might affect stock returns:a.the business cycle.b.interest rate fluctuations.c.inflation rates.d.the business cycle, interest rate fluctuation

36、s, and inflation rates.e.the relationship between past fred spreads.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

37、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 tha

38、t risk need not be considered.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 willa.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 t

39、he risk free rate and buy b.e.lend at the risk free rate and buy b.39.an important difference between capm and apt isa.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

40、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.capm depends on risk-return dominance; apt depends on a no arbitrage condition, capm assumes many small changes are requi

41、red to bring the market back to equilibrium; apt assumes a few large changes are required to bring the market back to equilibrium, implications for prices derived from capm arguments are stronger than prices derived from apt arguments.e.capm depends on risk-return dominance; apt depends on a no arbi

42、trage condition and assumes many small changes are required to bring the market back to equilibrium.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 ina.pure arbitra

43、ge.b.risk arbitrage.c.option arbitrage.d.equilibrium arbitrage.e.covered interest arbitrage.41.in the context of the arbitrage pricing theory, as a well-diversified portfolio becomes larger its nonsystematic risk approachesa.one.b.infinity.c.zero.d.negative one.e.none of these is correct.42.a well-d

44、iversified portfolio is defined asa.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 equa

45、lly weighted.e.a portfolio that is equally weighted and contains securities from at least three different industry sectors.43.the apt requires a benchmark portfolioa.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

46、-diversified.d.that is well-diversified and lies on the sml.e.that is unobservable.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

47、 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

48、.i and iii are correct.b.i and iv are correct.c.ii and iii are correct.d.ii and iv are correct.e.only i is correct.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 f

49、actor 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%46.the term arbitrage refers toa.buying low and selling high.b.short selling high and buying low.c.earning risk-free economic profits.d

50、.negotiating for favorable brokerage fees.e.hedging your portfolio through the use of options.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 su

51、re 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 ivb.i and iiic.ii and iiid.i, iii, and ive.ii, iii, and iv48.the factor f in the apt model representsa.firm-specific risk.b

52、.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.49.in the apt model, what is the nonsystematic standard deviation of

53、an equally-weighted portfolio that has an average value of s(ei) equal to 25% and 50 securities?a.12.5%b.625%c.0.5%d.3.54%e.14.59%50.in the apt model, what is the nonsystematic standard deviation of an equally-weighted portfolio that has an average value of s(ei) equal to 20% and 20 securities?a.12.

54、5%b.625%c.4.47%d.3.54%e.14.59%51.in the apt model, what is the nonsystematic standard deviation of an equally-weighted portfolio that has an average value of s(ei) equal to 20% and 40 securities?a.12.5%b.625%c.0.5%d.3.54%e.3.16%52.in the apt model, what is the nonsystematic standard deviation of an

55、equally-weighted portfolio that has an average value of s(ei) equal to 18% and 250 securities?a.1.14%b.625%c.0.5%d.3.54%e.3.16%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.t