Question 1

In the APT model the idea of riskless arbitrage is to assemble a portfolio that

Accepted Answer

A)  requires some initial wealth, will bear no risk, and still earn a profit. 
B)  requires no initial wealth, will bear no risk, and still earn a profit. 
C)  requires no initial wealth, will bear no systematic risk, and still earn a profit. 
D)  requires no initial wealth, will bear no unsystematic risk, and still earn a profit. 
E)  requires some initial wealth, will bear no systematic risk, and still earn a profit. B

Question 2

Refer to the following list. Which are not assumptions of the Arbitrage Pricing model? (1) Capital markets are perfectly competitive.
(2) Quadratic utility function.
(3) Investors prefer more wealth to less wealth with certainty.
(4) Normally distributed security returns.
(5) Representation as a K factor model.
(6) A market portfolio that is mean-variance efficient.

Accepted Answer

A)  (1) and (3) 
B)  (1), (2), and (3) 
C)  (1), (2), and (5) 
D)  (2), (4), and (6) 
E)  All six are assumptions D

Question 3

In one of their empirical tests of the APT, Roll and Ross examined the relationship between a security's returns and its own standard deviation. A finding of a statistically significant relationship would indicate that

Accepted Answer

A)  APT is valid because a security's unsystematic component would be eliminated by diversification. 
B)  APT is valid because non-diversifiable components should be explained by factor sensitivities. 
C)  APT is invalid because a security's unsystematic component would be eliminated by diversification. 
D)  APT is invalid because standard deviation is not an appropriate factor. 
E)  None of the above. C

Question 4

The equation for the single-index market model is

Accepted Answer

A)  RFRit = ai + bRmt + et 
B)  Rit = ai + bRmt + et 
C)  Rit = ai + bRFRt + et 
D)  Rmt = ai + bRit + et 
E)  Rit = ai + b(Rmt − RFRt) + et

Question 5

Consider the following list of risk factors: (1) monthly growth in industrial production
(2) return on high book to market value portfolio minus return on low book to market value portfolio
(3) change in inflation
(4) excess return on stock market portfolio
(5) return on small cap portfolio minus return on big cap portfolio
(6) unanticipated change in bond credit spread
Which of the factors would you use to develop a microeconomic-based risk factor model?

Accepted Answer

A)  (1), (2), and (3) 
B)  (1), (3), and (5) 
C)  (2), (4), and (5) 
D)  (1), (3), and (6) 
E)  (4), (5), and (6)

Question 6

In a microeconomic (or characteristic) based risk factor model the following factor would be one of many appropriate factors:

Accepted Answer

A)  confidence risk. 
B)  maturity risk. 
C)  expected inflation risk. 
D)  call risk. 
E)  return difference between small capitalisation and large capitalisation stocks.

Question 7

In a multifactor model, confidence risk represents

Accepted Answer

A)  unanticipated changes in the level of overall business activity. 
B)  unanticipated changes in investors' desired time to receive payouts. 
C)  unanticipated changes in short term and long term inflation rates. 
D)  unanticipated changes in the willingness of investors to take on investment risk. 
E)  none of the above.

Question 8

Consider a two-factor APT model where the first factor is changes in the 30-year T-bond rate, and the second factor is the per cent growth in GNP. Based on historical estimates you determine that the risk premium for the interest rate factor is 0.02, and the risk premium on the GNP factor is 0.03. For a particular asset, the response coefficient for the interest rate factor is −1.2, and the response coefficient for the GNP factor is 0.80. The rate of return on the zero-beta asset is 0.03. Calculate the expected return for the asset.

Accepted Answer

A)  5.0% 
B)  2.4% 
C)  −3.0% 
D)  −2.4% 
E)  3.0%

Question 9

Refer to the following information. Consider the three stocks, stock X, stock Y and stock Z, that have the following factor loadings (or factor betas).
 The expected prices one year from now for stocks X, Y, and Z are

Accepted Answer

A)  €53.55, €54.4, €55.25 
B)  €45.35, €54.4, €55.25 
C)  €55.55, €56.35, €57.15 
D)  €50, €50, €50 
E)  €51.35, €47.79, €51.58.

Question 10

Refer to the information in the previous question. If you know that the actual prices one year from now are stock X €55, stock Y €52, and stock Z €57, then

Accepted Answer

A)  stock X is undervalued, stock Y is undervalued, stock Z is undervalued. 
B)  stock X is undervalued, stock Y is overvalued, stock Z is overvalued. 
C)  stock X is overvalued, stock Y is undervalued, stock Z is undervalued. 
D)  stock X is undervalued, stock Y is overvalued, stock Z is undervalued. 
E)  stock X is overvalued, stock Y is overvalued, stock Z is undervalued.

Question 11

The table below provides factor risk sensitivities and factor risk premia for a three factor model for a particular asset where factor 1 is MP the growth rate in US industrial production, factor 2 is UI the difference between actual and expected inflation, and factor 3 is UPR the unanticipated change in bond credit spread.  Calculate the expected excess return for the asset.

Accepted Answer

A)  12.32% 
B)  9.32% 
C)  4.56% 
D)  6.32% 
E)  8.02%

Question 12

To date, the results of empirical tests of the Arbitrage Pricing Model have been

Accepted Answer

A)  clearly favourable. 
B)  clearly unfavourable. 
C)  mixed. 
D)  unavailable. 
E)  biased.

Question 13

One approach for using multifactor models is to use factors that capture systematic risk. Which of the following is not a common factor used in this approach?

Accepted Answer

A)  Unexpected changes in inflation 
B)  Consumer confidence 
C)  Yield curve shifts 
D)  Unexpected changes in real GDP 
E)  All of the above are common factors used to measure systematic risk

Question 14

Refer to the following information. Stocks A, B, and C have two risk factors with the following beta coefficients. The zero-beta return (λ0) = 0.025 and the risk premiums for the two factors are (λ1) = 0.12 and (λ0) = 0.10.
Stock Factor 1 bi1 Factor 2 bi2
 Calculate the expected returns for stocks A, B, C.
A B C

Accepted Answer

A)  0.082 0.091 0.033 
B)  0.105 0.109 0.032 
C)  0.132 0.128 0.033 
D)  0.165 0.121 0.032 
E)  0.850 0.850 0.610

Question 15

Assume that you are embarking on a test of the small-firm effect using APT. You form 10 size-based portfolios. The following finding would suggest there is evidence supporting APT:

Accepted Answer

A)  the top five size-based portfolios should have excess returns that exceed the bottom five size-based portfolios. 
B)  the bottom five size-based portfolios should have excess returns that exceed the top five size-based portfolios. 
C)  the ten portfolios must have excess returns not significantly different from zero. 
D)  the ten portfolios must have excess returns significantly different from zero. 
E)  none of the above.

Exam 7: Multifactor Models of Risk and Return