Consider the competitive market for rhodium. Assume that no matter how many firms operate in the industry, every firm is identical and faces the same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph. COSTS (Dollars per pound) s per pound) 80 72 64 56 80 48 72 40 64 56 48 40 32 24 16 8 0 0 3 MC ATC Demand The following graph plots the market demand curve for rhodium. D AVC Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 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 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. D D 6 9 12 15 18 21 QUANTITY (Thousands of pounds) 24 27 30 -0- Supply (10 firms) Supply (20 firms)

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Consider the competitive market for rhodium. Assume that no matter how many firms operate in the industry, every firm is identical and faces the
same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph.
COSTS (Dollars per pound)
80
2233 22
72
64
56
80
48
72
64
56
48
40
00
32
24
16
0
0
MCD
ATC
Demand
0
AVC
The following graph plots the market demand curve for rhodium.
-0.
☐
3 6 9 12 15 18 21
QUANTITY (Thousands of pounds)
D
Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 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 20 firms. Finally, use the green points (triangle symbol) to
plot the short-run industry supply curve when there are 30 firms.
24
27
30
-0-
Supply (10 firms)
Supply (20 firms)
(?
80
Transcribed Image Text:Consider the competitive market for rhodium. Assume that no matter how many firms operate in the industry, every firm is identical and faces the same marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves plotted in the following graph. COSTS (Dollars per pound) 80 2233 22 72 64 56 80 48 72 64 56 48 40 00 32 24 16 0 0 MCD ATC Demand 0 AVC The following graph plots the market demand curve for rhodium. -0. ☐ 3 6 9 12 15 18 21 QUANTITY (Thousands of pounds) D Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 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 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. 24 27 30 -0- Supply (10 firms) Supply (20 firms) (? 80
esc
The following graph plots the market demand curve for rhodium.
Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 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 20 firms. Finally, use the green points (triangle symbol) to
plot the short-run industry supply curve when there are 30 firms.
PRICE (Dollars per pound)
80
72
64
56
48
40
32
24
16
8
0
0
Demand
120
18 21 24 27 30
QUANTITY (Thousands of pounds)
240 360 480 600 720 840 960 1080 1200
QUANTITY (Thousands of pounds)
Because you know that competitive firms earn
$
O True
O False
---
If there were 30 firms in this market, the short-run equilibrium price of rhodium would be $
would
▼ Therefore, in the long run, firms would i
Supply (10 firms)
➜
F1
Supply (20 firms)
F2
A
per pound. From the graph, you can see that this means there will be
Supply (30 firms)
True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns positive accounting profit.
economic profit in the long run, you know the long-run equilibrium price must be
firms operating in the rhodium industry in long-run equilibrium.
(?
80
per pound. At that price, firms in this industry
the rhodium market.
F3
Q
F4
H
F5
F6
Transcribed Image Text:esc The following graph plots the market demand curve for rhodium. Use the orange points (square symbol) to plot the initial short-run industry supply curve when there are 10 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 20 firms. Finally, use the green points (triangle symbol) to plot the short-run industry supply curve when there are 30 firms. PRICE (Dollars per pound) 80 72 64 56 48 40 32 24 16 8 0 0 Demand 120 18 21 24 27 30 QUANTITY (Thousands of pounds) 240 360 480 600 720 840 960 1080 1200 QUANTITY (Thousands of pounds) Because you know that competitive firms earn $ O True O False --- If there were 30 firms in this market, the short-run equilibrium price of rhodium would be $ would ▼ Therefore, in the long run, firms would i Supply (10 firms) ➜ F1 Supply (20 firms) F2 A per pound. From the graph, you can see that this means there will be Supply (30 firms) True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns positive accounting profit. economic profit in the long run, you know the long-run equilibrium price must be firms operating in the rhodium industry in long-run equilibrium. (? 80 per pound. At that price, firms in this industry the rhodium market. F3 Q F4 H F5 F6
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