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Figure 13-9 Figure 13-9    -Refer to Figure 13-9.The firm experiences diseconomies of scale if it changes its level of output A) from Q₁ to Q₂. B) from Q₂ to Q₃. C) from Q₃ to Q₄. D) from Q₄ to Q₅. -Refer to Figure 13-9.The firm experiences diseconomies of scale if it changes its level of output


A) from Q₁ to Q₂.
B) from Q₂ to Q₃.
C) from Q₃ to Q₄.
D) from Q₄ to Q₅.

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Accountants keep track of the money that flows into and out of firms.

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Figure 13-6 The curves below reflect information about the cost structure of a firm. Figure 13-6 The curves below reflect information about the cost structure of a firm.    -Refer to Figure 13-6.Which of the curves is most likely to represent average fixed cost? A) A B) B C) C D) D -Refer to Figure 13-6.Which of the curves is most likely to represent average fixed cost?


A) A
B) B
C) C
D) D

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When calculating a firm's profit,an economist


A) will subtract only explicit costs from total revenue since these are the only costs that can be measured explicitly.
B) will subtract only implicit costs from total revenue since these include both the costs that can be directly measured as well as the costs that can be indirectly measured.
C) will subtract only the opportunity costs from total revenue since these include both the implicit and explicit costs of the firm.
D) will subtract only the marginal cost since the cost of the next unit is the only relevant cost.

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To an economist,it is conceivable that the objective that motivates an individual entrepreneur to start a business arises from


A) an innate love for the type of business that he or she starts.
B) a desire to earn a profit.
C) an altruistic desire to provide the world with a good product.
D) All of the above are correct.

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The minimum points of the average variable cost and average total cost curves occur where


A) the marginal cost curve lies below the average variable cost and average total cost curves.
B) the marginal cost curve intersects those curves.
C) the average variable cost and average total cost curves intersect.
D) the slope of total cost is the smallest.

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Marginal cost equals


A) total cost divided by quantity of output produced.
B) total output divided by the change in total cost.
C) the slope of the total cost curve.
D) the slope of the line drawn from the origin to the total cost curve.

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Table 13-3 Table 13-3    -Refer to Table 13-3.Assume Gallo's currently employs 2 workers.What is the marginal product of labor when Gallo's adds a 3rd worker? A) 5 corks B) 10 corks C) 20 corks D) 25 corks -Refer to Table 13-3.Assume Gallo's currently employs 2 workers.What is the marginal product of labor when Gallo's adds a 3rd worker?


A) 5 corks
B) 10 corks
C) 20 corks
D) 25 corks

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Economists normally assume that the goal of a firm is to (i) sell as much of their product as possible. (ii) set the price of their product as high as possible. (iii) maximize profit.


A) (i) and (ii) are true.
B) (ii) and (iii) are true.
C) (iii) is true.
D) (i) and (iii) are true.

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Table 13-6 Adrian's Premium Chocolates produces boxes of chocolates for its mail order catalogue business. She rents a small room for $150 a week in the downtown business district that serves as her factory. She can hire workers for $275 a week. There are no implicit costs. Table 13-6 Adrian's Premium Chocolates produces boxes of chocolates for its mail order catalogue business. She rents a small room for $150 a week in the downtown business district that serves as her factory. She can hire workers for $275 a week. There are no implicit costs.    -Refer to Table 13-6.Adrian has received an order for 3,000 boxes of chocolates for next week.If she expects that the trend in the marginal product of labor will continue in the same direction,it is most likely that her best decision will be to A) not commit to meeting the order until she can move to a larger room and hire more workers to box the chocolates. B) close her business until she is able to hire more productive workers. C) hire about 12 new workers and hope she can satisfy the order. D) commit to meeting the order and then take three weeks to complete the job. -Refer to Table 13-6.Adrian has received an order for 3,000 boxes of chocolates for next week.If she expects that the trend in the marginal product of labor will continue in the same direction,it is most likely that her best decision will be to


A) not commit to meeting the order until she can move to a larger room and hire more workers to box the chocolates.
B) close her business until she is able to hire more productive workers.
C) hire about 12 new workers and hope she can satisfy the order.
D) commit to meeting the order and then take three weeks to complete the job.

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According to the mathematical laws that govern the relationship between average total cost and marginal cost,where must these two curves intersect?

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The two curves will ...

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In some cases,specialization allows larger factories to produce goods at a lower average cost than smaller factories.

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Diminishing marginal product exists when the production function becomes flatter as inputs increase.

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Scenario 13-3 Tony is a wheat farmer, but he also spends part of his day teaching guitar lessons. Due to the popularity of his local country western band, Farmer Tony has more students requesting lessons than he has time for if he is to also maintain his farming business. Farmer Tony charges $25 an hour for his guitar lessons. One spring day, he spends 10 hours in his fields planting $130 worth of seeds on his farm. He expects that the seeds he planted will yield $300 worth of wheat. -Refer to Scenario 13-3.What is the total opportunity cost of the day that Farmer Tony incurred for his spring day in the field planting wheat?


A) $130
B) $250
C) $300
D) $380

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Which of the following expressions is correct?


A) accounting profit = economic profit + implicit costs
B) accounting profit = total revenue - implicit costs
C) economic profit = accounting profit + explicit costs
D) economic profit = total revenue - implicit costs

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For Firm A,when four units of output are produced,the total cost is $175 and the average variable cost is $33.75.What would the average fixed cost be if ten units were produced?


A) $4
B) $10
C) $40
D) $135

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Figure 13-8 The figure below depicts average total cost functions for a firm that produces automobiles. Figure 13-8 The figure below depicts average total cost functions for a firm that produces automobiles.    -Refer to Figure 13-8.At levels of output below M the firm experiences A) economies of scale. B) diseconomies of scale. C) economic profit. D) accounting profit. -Refer to Figure 13-8.At levels of output below M the firm experiences


A) economies of scale.
B) diseconomies of scale.
C) economic profit.
D) accounting profit.

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The average total cost when 5 units of output are produced is $30,and the marginal cost of the sixth unit of output is $60.What is the average total cost when six units are produced?


A) $10
B) $25
C) $30
D) $35

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Scenario 13-1 Joe wants to start his own business. The business he wants to start will require that he purchase a factory that costs $400,000. Joe currently has $500,000 in the bank earning 3 percent interest per year. -Refer to Scenario 13-1.If Joe purchases the factory with his own money,what is the annual implicit opportunity cost of purchasing the factory?


A) $0
B) $3,000
C) $12,000
D) $15,000

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The shape of the total cost curve is unrelated to the shape of the production function.

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