Consider the competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm 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.   NOTE: here are the blank question choices   At that price, firms in this industry would _____ (earn zero profit OR earn a positive profit OR shut down OR operate at a loss). Therefore, in the long run, firms would ______ (enter OR exit OR nither enter or exit) the steel market.   Because you know that competitive firms earn  ______ (negative OR postive OR zero) economic profit in the long run, you know the long-run equilibrium price must be $______ per tonne. From the graph, you can see that this means there will be ______ (20 or 30 or 40)  firms operating in the steel industry in long-run equilibrium

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Consider the competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm 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.
 
NOTE: here are the blank question choices
 
At that price, firms in this industry would _____ (earn zero profit OR earn a positive profit OR shut down OR operate at a loss). Therefore, in the long run, firms would ______ (enter OR exit OR nither enter or exit) the steel market.
 
Because you know that competitive firms earn  ______ (negative OR postive OR zero) economic profit in the long run, you know the long-run equilibrium price must be $______ per tonne. From the graph, you can see that this means there will be ______ (20 or 30 or 40)  firms operating in the steel industry in long-run equilibrium.
 
NOTE: PLEASE CLEARLY STATE THE X and Y coordinates of EACH POINT PLOTTED
Consider the competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm 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.
100
90
80
70
60
50
40
ATC
30
20
AVC
10
MC O
5
10
15
25
30
35
40
45
50
QUANTITY (Thousands of tonnes)
costS (Dollars pertonne)
20
Transcribed Image Text:Consider the competitive market for steel. Assume that, regardless of how many firms are in the industry, every firm 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. 100 90 80 70 60 50 40 ATC 30 20 AVC 10 MC O 5 10 15 25 30 35 40 45 50 QUANTITY (Thousands of tonnes) costS (Dollars pertonne) 20
The following diagram shows the market demand for steel.
On the graph below, 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
90
Supply (20 firms)
80
70
60
Supply (30 firms)
50
40
Supply (40 firms)
Demand
30
20
10
125
250
375
500
625
750
875 1000 1125 1250
QUANTITY (Thousands of tonnes)
If there were 20 firms in this market, the short-run equilibrium price of steel would be s
. Therefore, in the long run, firms would
per tonne. At that price, firms in this industry would
the steel market.
Because you know that competitive firms earn
economic profit in the long run, you know the long-run equilibrium price must be
per tonne. From the graph, you can see that this means there will be
firms operating in the steel 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 positive accounting profit.
O True
O False
PRICE (Dollars pertonne)
Transcribed Image Text:The following diagram shows the market demand for steel. On the graph below, 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 90 Supply (20 firms) 80 70 60 Supply (30 firms) 50 40 Supply (40 firms) Demand 30 20 10 125 250 375 500 625 750 875 1000 1125 1250 QUANTITY (Thousands of tonnes) If there were 20 firms in this market, the short-run equilibrium price of steel would be s . Therefore, in the long run, firms would per tonne. At that price, firms in this industry would the steel market. Because you know that competitive firms earn economic profit in the long run, you know the long-run equilibrium price must be per tonne. From the graph, you can see that this means there will be firms operating in the steel 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 positive accounting profit. O True O False PRICE (Dollars pertonne)
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