Consider the competitive market for titanium. Assume that, regardless of how many firms are in the industry, ever n in the industry is identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. 78"F 100 COSTS (Dollars per pound) 90 80 70 60 40 30 10 0 0 MC-D 5 ATC AVC 10 15 20 25 30 35 QUANTITY (Thousands of pounds) 40 50

Principles of Economics 2e
2nd Edition
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter7: Production, Costs, And Industry Structure
Section: Chapter Questions
Problem 18RQ: How do we calculate each of the following: marginal cost, average total cost, and average variable...
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9
Consider the competitive market for titanium. Assume that, regardless of how many firms are in the industry, ever n in the industry is identical
and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph.
Esc
78°F
Sunny
100
COSTS (Dollars per pound)
90
80
70
60 4
50 +
40 +
30
20
10
0
MC O
05
F2
ATC
AVC
F3
0
10 15 20 25 30 35 40
QUANTITY (Thousands of pounds)
0+
☐
F4
45 50
F5
H
M
OL
F6
M
(?)
F7
10
F8
At
(
F9
F10
F11
F12
2
Fn
Transcribed Image Text:9 Consider the competitive market for titanium. Assume that, regardless of how many firms are in the industry, ever n in the industry is identical and faces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph. Esc 78°F Sunny 100 COSTS (Dollars per pound) 90 80 70 60 4 50 + 40 + 30 20 10 0 MC O 05 F2 ATC AVC F3 0 10 15 20 25 30 35 40 QUANTITY (Thousands of pounds) 0+ ☐ F4 45 50 F5 H M OL F6 M (?) F7 10 F8 At ( F9 F10 F11 F12 2 Fn
Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 20 firms in the market. (Hint: You can
disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the
purple points (diamond symbol) to plot the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to
plot the short-run industry supply curve when there are 40 firms.
100
PRICE (Dollars per pound)
78°F
Sunny
90
80
70
60
50 +
40
30
20
10
0
0
125
Demand
250
750
625
375 500
875
QUANTITY (Thousands of pounds)
1000 1125 1250
F4
F5
HE
--
Supply (20 firms)
Supply (30 firms)
-A
Supply (40 firms)
OL
F6
F7
F8
M+
F9
F10
F11
F12
2
Fn
Lock
Transcribed Image Text:Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 20 firms in the market. (Hint: You can disregard the portion of the supply curve that corresponds to prices where there is no output since this is the industry supply curve.) Next, use the purple points (diamond symbol) to plot the short-run industry supply curve when there are 30 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 40 firms. 100 PRICE (Dollars per pound) 78°F Sunny 90 80 70 60 50 + 40 30 20 10 0 0 125 Demand 250 750 625 375 500 875 QUANTITY (Thousands of pounds) 1000 1125 1250 F4 F5 HE -- Supply (20 firms) Supply (30 firms) -A Supply (40 firms) OL F6 F7 F8 M+ F9 F10 F11 F12 2 Fn Lock
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