100 90 80 70 PRICE (Dollars perton) 8 588 50 20 10 0 0 125 250 375 500 625 750 875 1000 1125 1250 QUANTITY (Thousands of tons) Demand Because you know that competitive firms earn S Supply (20 firms) 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 O True Supply (30 firms) False Supply (40 firms) per ton. From the graph, you can see that this means there will be per ton. At that price, firms in this industry would the steel market. economic profit in the long run, you know the long-run equilibrium price must 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 negative accounting profit.
100 90 80 70 PRICE (Dollars perton) 8 588 50 20 10 0 0 125 250 375 500 625 750 875 1000 1125 1250 QUANTITY (Thousands of tons) Demand Because you know that competitive firms earn S Supply (20 firms) 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 O True Supply (30 firms) False Supply (40 firms) per ton. From the graph, you can see that this means there will be per ton. At that price, firms in this industry would the steel market. economic profit in the long run, you know the long-run equilibrium price must 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 negative accounting profit.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:PRICE (Dollars perton)
100
90
80
70
60
50
40
30
20
10
0
0 125 250 375 500 625 750 875 1000 1125 1250
QUANTITY (Thousands of tons)
Demand
Because you know that competitive firms earn
$
Supply (20 firms)
4
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
True
Supply (30 firms)
O False
Supply (40 firms)
per ton. From the graph, you can see that this means there will be
per ton. At that price, firms in this industry would
the steel market.
economic profit in the long run, you know the long-run equilibrium price must 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 negative accounting profit.

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.
V
AVC
COSTS (Dollars per ton)
100
882 889
80
20
0
MC
5
25 30
35
QUANTITY (Thousands of tons)
15 20
10
45
40
50
The following diagram shows the market demand for steel.
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