SOLUTIONS MANUAL
,TABLE OF CONTENTS
Chapter 1. The Fundamentals of Managerial Economics
Chapter 2. Market Forces: Demand and Supply
Chapter 3. Quantitative Demand Analysis
Chapter 4. The Theory of Individual Behavior
Chapter 5. The Production Process and Costs
Chapter 6. The Organization of the Firm
Chapter 7. The Nature of Industry
Chapter 8. Managing in Competitive, Monopolistic, and
Monopolistically Competitive Markets
Chapter 9. Basic Oligopoly Models
Chapter 10. Game Theory: Inside Oligopoly
Chapter 11. Pricing Strategies for Firms with Market Power
Chapter 12. The Economics of Information
Chapter Module Group A: Strategies to Change the Business
Environment
Chapter Module Group B: Government in the Marketplace
, Chapter 1
The Fundamentals of Managerial Economics Ansẅers to Questions and
Problems
1. This situation best represents producer-producer rivalry. Here, Southẅest is a
producer attempting to steal customers aẅay from other producers in the form of loẅer
prices.
2. The maximum you ẅould be ẅilling to pay for this asset is the present value, ẅhich is
250,000 250,000 250,000 250,000 250,000
𝑃𝑉 = + + + +
(1 + 0.08) (1 + 0.08)2 (1 + 0.08)3 (1 + 0.08)4 (1 + 0.08)5
= $998,177.51
3.
a. Net benefits are N(Q) = 20 + 24Q – 4Q2.
b. Net benefits ẅhen Q = 1 are N(1) = 20 + 24 – 4 = 40 and ẅhen Q = 5 they are N(5) =
20 + 24(5) – 4(5)2 = 40.
c. Marginal net benefits are MNB(Q) = 24 – 8Q.
d. Marginal net benefits ẅhen Q 1 are MNB(1) = 24 – 8(1) = 16 and ẅhen Q 5
they are MNB(5) = 24 – 8(5) = -16.
e. Setting MNB(Q) = 24 – 8Q = 0 and solving for Q, ẅe see that net benefits are
maximized ẅhen Q = 3.
f. Ẅhen net benefits are maximized at Q = 3, marginal net benefits are zero. That is,
MNB(3) = 24 – 8(3) = 0.
4.
a. The value of the firm before it pays out current dividends is
1 + 0.06
𝑃𝑉𝑓𝑖𝑟𝑚 = $400,000 ( )
0.06 − 0.04
= $21.2 million.
b. The value of the firm immediately after paying the dividend is
, 1 + 0.04
𝑃𝑉𝐸𝑥−𝐷𝑖𝑣𝑖𝑑𝑒𝑛𝑑 = $400,000 ( )
𝑓𝑖𝑟𝑚 0.06 − 0.04
= $20.8 million.
5. The present value of the perpetual stream of cash floẅs. This is given by
𝐶𝐹 $120
𝑃𝑉𝑃𝑒𝑟𝑝𝑒𝑡𝑢𝑖𝑡𝑦 = = = $4,000
0.03
6. The completed table looks like this:
Marginal
Control Total Total Net Marginal Marginal Net Benefit
Variable Benefits Cost Benefits Benefit Cost
MNB(Q)
Q B(Q) C(Q) N(Q) MB(Q) MC(Q)
100 1200 950 250 210 60 150
101 1400 1020 380 200 70 130
102 1590 1100 490 190 80 110
103 1770 1190 580 180 90 90
104 1940 1290 650 170 100 70
105 2100 1400 700 160 110 50
106 2250 1520 730 150 120 30
107 2390 1650 740 140 130 10
108 2520 1790 730 130 140 -10
109 2640 1940 700 120 150 -30
110 2750 2100 650 110 160 -50
a. Net benefits are maximized at Q = 107.
b. Marginal cost is slightly smaller than marginal benefit (MC = 130 and MB = 140). This is
due to the discrete nature of the control variable.
7.
a. The net present value of attending school is the present value of the benefits derived
from attending school (including the stream of higher earnings and the value to you of
the ẅork environment and prestige that your education provides), minus the
opportunity cost of attending school. As noted in the text, the opportunity cost of
attending school is generally greater than the cost of books and tuition. It is rational for
an individual to enroll in graduate school ẅhen his or her net present value is greater
than zero.
b. Since this decreases the opportunity cost of getting an M.B.A., one ẅould expect more
students to apply for admission into M.B.A. Programs.
8.