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An increasing-cost industry is one in which the average cost of production ________ as the total output of the industry ________.


A) increases; increases
B) increases; decreases
C) decreases; increases
D) None of the above; there are no increasing-cost industries.

E) A) and B)
F) A) and C)

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A firm's marginal cost curve above the minimum of the average variable cost curve is also


A) the firm's demand for production curve.
B) the firm's producer surplus curve.
C) the firm's short-run supply curve.
D) the market supply curve.

E) A) and B)
F) B) and C)

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A firm's short-run supply curve is its marginal cost curve above the shut down point.

A) True
B) False

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An increase in demand will lead to a decrease in supply in the long run.

A) True
B) False

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You sell your good in a perfectly competitive market where the market price is $7.00. When you sell 100 units your total revenue is $700. When you sell 101 units


A) total revenue increases by less than $7.
B) total revenue increases by exactly $7.
C) total revenue increases by more than $7.
D) total revenue may increase or decrease.

E) B) and D)
F) All of the above

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In the short run, a firm considers its fixed cost as a(n)


A) sunk cost.
B) variable cost.
C) implicit cost.
D) marginal cost.

E) B) and C)
F) B) and D)

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Recall the Application about the wireless phone service provided by thousands of entrepreneurial women in Pakistan to answer the following question(s) . -Recall the Application. Because the average earnings of the "wireless women" in Pakistan are three times the average wage rate, then we would expect that in the long run


A) more entrepreneurs would exit the market.
B) more entrepreneurs would enter the market.
C) the earnings of wireless women would increase.
D) the cost of making a wireless call in Pakistan would increase.

E) A) and D)
F) All of the above

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  -Figure 6.1 shows the cost structure of a firm in a perfectly competitive market. If the firm's fixed cost increases by 3,000 due to a new government regulation A)  the marginal cost curve shifts upward. B)  the average variable cost curve shifts upward. C)  the average total cost curve shifts upward. D)  none of the above. -Figure 6.1 shows the cost structure of a firm in a perfectly competitive market. If the firm's fixed cost increases by 3,000 due to a new government regulation


A) the marginal cost curve shifts upward.
B) the average variable cost curve shifts upward.
C) the average total cost curve shifts upward.
D) none of the above.

E) None of the above
F) All of the above

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What is a long-run supply curve?

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A long-run supply curve is a c...

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A constant cost industry is one in which


A) input prices do not change as output changes in the long run.
B) supply is highly inelastic.
C) short-run supply is horizontal.
D) all of the above

E) B) and C)
F) A) and B)

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  Figure 6.3 -Figure 6.3 shows the cost structure of a firm in a perfectly competitive market. If the market price is $3 and the firm shuts down in the short run, its profit is A)  -$300. B)  -$600. C)  -$900. D)  -$1,200. Figure 6.3 -Figure 6.3 shows the cost structure of a firm in a perfectly competitive market. If the market price is $3 and the firm shuts down in the short run, its profit is


A) -$300.
B) -$600.
C) -$900.
D) -$1,200.

E) A) and C)
F) None of the above

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If a firm suffers an economic loss, its


A) price is less than its marginal cost.
B) price is less than its marginal revenue.
C) price is less than its average total cost.
D) none of the above

E) None of the above
F) B) and D)

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  -Figure 6.1 shows the cost structure of a firm in a perfectly competitive market. If the market price is $40, the firm's profit maximizing output level is A)  500. B)  650. C)  900. D)  1,200. -Figure 6.1 shows the cost structure of a firm in a perfectly competitive market. If the market price is $40, the firm's profit maximizing output level is


A) 500.
B) 650.
C) 900.
D) 1,200.

E) A) and C)
F) A) and B)

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Suppose Tim's Cowboy boot factory produces in a perfectly competitive market. Suppose the average total cost of cowboy boots is $65, the average variable cost of cowboy boots is $60, and the price of cowboy boots is $62. If the firm is producing the level of output where marginal cost equals price, then in the short run the firm


A) should shut down.
B) should continue to produce since total revenue exceeds total variable cost.
C) is earning a positive economic profit.
D) can increase profit by increasing output.

E) A) and B)
F) None of the above

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Recall the Application about the supply of shipping services to answer the following question(s) . -Recall the Application. The short-run supply curve for shipping services is


A) positively sloped.
B) negatively sloped.
C) perfectly vertical.
D) perfectly horizontal.

E) A) and D)
F) C) and D)

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  Figure 6.3 -Figure 6.3 shows the cost structure of a firm in a perfectly competitive market. Assume the market price is $3 and the firm is currently producing 100 units. If the firm produces zero units in the short run, it will reduce its economic loss by A)  $300. B)  $600. C)  $900. D)  $1,200. Figure 6.3 -Figure 6.3 shows the cost structure of a firm in a perfectly competitive market. Assume the market price is $3 and the firm is currently producing 100 units. If the firm produces zero units in the short run, it will reduce its economic loss by


A) $300.
B) $600.
C) $900.
D) $1,200.

E) A) and C)
F) A) and B)

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A constant cost industry is more likely to arise in a market where


A) the industry takes only a small portion of the resources available.
B) the industry takes only a large portion of the resources available.
C) inputs have very different levels of quality.
D) firms have large fixed costs and small marginal costs.

E) A) and C)
F) A) and D)

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What happens in the short run and long run in a constant cost industry such as bags of ice after a natural disaster like a hurricane?

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In the short run the price of ice rises,...

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In a constant cost industry, a decrease in price causes


A) some firms to exit the industry.
B) quantity supplied to remain constant.
C) some firms to enter the industry.
D) price controls.

E) B) and D)
F) C) and D)

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  Figure 6.2 -Figure 6.2 shows the cost structure of a firm in a perfectly competitive market. If the market price is $10 and the firm chooses the profit maximizing output level, its profit is A)  $1,000. B)  $800. C)  $720. D)  $200. Figure 6.2 -Figure 6.2 shows the cost structure of a firm in a perfectly competitive market. If the market price is $10 and the firm chooses the profit maximizing output level, its profit is


A) $1,000.
B) $800.
C) $720.
D) $200.

E) A) and B)
F) B) and D)

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