Consider the competitive market for ruthenium. 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. 80 ཇ་ལྟ་ཅ་ན་དྷྭ་བྷུ་སྐ་རྨ་ཇ་ COSTS (Dollars per pound) COSTS (Dollars per pound) 16 AVC MC- 8 ATC ° 4 8 12 16 20 24 28 QUANTITY (Thousands of pounds) 32 36 40 The following graph plots the market demand curve for ruthenium. 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) 64 28 -0- Supply (10 firms) •I•• 56 48 Demand Supply (20 firms) 40 32 ° 0 120 240 360 480 600 720 840 960 1080 1200 QUANTITY (Thousands of pounds) Supply (30 firms) If there were 10 firms in this market, the short-run equilibrium price of ruthenium would be $ would Therefore, in the long run, firms would per pound. At that price, firms in this industry the ruthenium market. Because you know that competitive firms earn $ economic profit in the long run, you know the long-run equilibrium price must be per pound. From the graph, you can see that this means there will be firms operating in the ruthenium industry in long-run equilibrium. True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit. True False
Consider the competitive market for ruthenium. 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. 80 ཇ་ལྟ་ཅ་ན་དྷྭ་བྷུ་སྐ་རྨ་ཇ་ COSTS (Dollars per pound) COSTS (Dollars per pound) 16 AVC MC- 8 ATC ° 4 8 12 16 20 24 28 QUANTITY (Thousands of pounds) 32 36 40 The following graph plots the market demand curve for ruthenium. 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) 64 28 -0- Supply (10 firms) •I•• 56 48 Demand Supply (20 firms) 40 32 ° 0 120 240 360 480 600 720 840 960 1080 1200 QUANTITY (Thousands of pounds) Supply (30 firms) If there were 10 firms in this market, the short-run equilibrium price of ruthenium would be $ would Therefore, in the long run, firms would per pound. At that price, firms in this industry the ruthenium market. Because you know that competitive firms earn $ economic profit in the long run, you know the long-run equilibrium price must be per pound. From the graph, you can see that this means there will be firms operating in the ruthenium industry in long-run equilibrium. True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit. True False
Chapter11: The Firm: Production And Costs
Section: Chapter Questions
Problem 3P
Related questions
Question
Transcribed Image Text:Consider the competitive market for ruthenium. 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.
80
72
56
· ཉི་ ཀ་ཇཱ་སྐ་ན་
COSTS (Dollars per pound)
AVC
16
MC-
8
ATC
B
12 16 20 24
28
QUANTITY (Thousands of pounds)
36
The following graph plots the market demand curve for ruthenium.
?
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
Supply (10 firms)
56
48
Demand
Supply (20 firms)
40
32
24
16
8
240
360 480 600 720 840 960 1080 1200
QUANTITY (Thousands of pounds)
Supply (30 firms)
If there were 10 firms in this market, the short-run equilibrium price of ruthenium would be $
would
Therefore, in the long run, firms would
Because you know that competitive firms earn
per pound. At that price, firms in this industry
the ruthenium market.
economic profit in the long run, you know the long-run equilibrium price must be
$ per pound. From the graph, you can see that this means there will be firms operating in the ruthenium industry in long-run
equilibrium.
True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit.
True
False
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