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When adding another unit of labor leads to an increase in output that is smaller than the increases in output that resulted from adding previous units of labor, the firm is experiencing


A) diminishing labor.
B) diminishing output.
C) diminishing marginal product.
D) negative marginal product.

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What are opportunity costs? How do explicit and implicit costs relate to opportunity costs?

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The opportunity cost of an ite...

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Table 13-20 Listed in the table are the long-run total costs for three different firms. Table 13-20 Listed in the table are the long-run total costs for three different firms.    -Refer to Table 13-20. Firm C is experiencing diseconomies of scale. -Refer to Table 13-20. Firm C is experiencing diseconomies of scale.

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Implicit costs


A) do not require an outlay of money by the firm.
B) do not enter into the economist's measurement of a firm's profit.
C) are also known as variable costs.
D) are not part of an economist's measurement of opportunity cost.

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Which is greater -- economic profit or accounting profit?

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Economic profit = Accounting profit - Im...

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Adam Smith describes a visit to a car factory when discussing economies of scale in his book An Inquiry into the Nature and Causes of the Wealth of Nations.

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Anna borrows $5,000 from a bank and withdraws $1,000 from her personal savings to start a coffee shop. The interest rate is 5 percent for both the bank loan and her personal savings. Her opportunity cost of capital is $250.

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Which of the following can be added to profit to obtain total revenue?


A) net profit
B) capital profit
C) operational profit
D) total cost

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Economists normally assume that the goal of a firm is to i) earn profits as large as possible, even if it means reducing output. Ii) earn revenues as large as possible, even if it means reducing profits. Iii) minimize costs, regardless of profits.


A) i) only
B) i) and ii) only
C) ii) and iii) only
D) i) , ii) , and iii)

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The difference between economic profit and accounting profit is that economic profit is calculated based on both implicit and explicit costs whereas accounting profit is calculated based on explicit costs only.

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Figure 13-3 Figure 13-3   -Refer to Figure 13-3. The graph illustrates a typical total cost curve. Based on its shape, what does the corresponding production function look like? A)  an upward-sloping curve that increases at an increasing rate B)  an upward-sloping curve that increases at a decreasing rate C)  a downward-sloping curve D)  a horizontal straight line -Refer to Figure 13-3. The graph illustrates a typical total cost curve. Based on its shape, what does the corresponding production function look like?


A) an upward-sloping curve that increases at an increasing rate
B) an upward-sloping curve that increases at a decreasing rate
C) a downward-sloping curve
D) a horizontal straight line

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A student might describe information about the costs of production as


A) dry and technical.
B) boring.
C) crucial to understanding firms and market structures.
D) All of the above could be correct.

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One assumption that distinguishes short-run cost analysis from long-run cost analysis for a profit-maximizing firm is that in the short run,


A) output is not variable.
B) the number of workers used to produce the firm's product is fixed.
C) the size of the factory is fixed.
D) there are no fixed costs.

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An example of an explicit cost of production would be the


A) cost of forgone labor earnings for an entrepreneur.
B) lost opportunity to invest in capital markets when the money is invested in one's business.
C) lease payments for the land on which a firm's factory stands.
D) Both a and c are correct.

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Table 13-19 Table 13-19    -Refer to Table 13-19. What is the total output of five workers? -Refer to Table 13-19. What is the total output of five workers?

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Total output of four workers =...

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Scenario 13-11 Walter builds birdhouses. He spends $5 on the materials for each birdhouse. He can build one in 30 minutes. He is semi-retired but earns $8 per hour at the local hardware store. He can sell a birdhouse for $20 each. -Refer to Scenario 13-11. An accountant would calculate the total cost for one birdhouse to be


A) $5.
B) $8.
C) $9.
D) $13.

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Figure 13-10 Figure 13-10   -Refer to Figure 13-10. The three average total cost curves on the diagram labeled ATC1, ATC2, and ATC3 most likely correspond to three different A)  time horizons. B)  products. C)  firms. D)  factory sizes. -Refer to Figure 13-10. The three average total cost curves on the diagram labeled ATC1, ATC2, and ATC3 most likely correspond to three different


A) time horizons.
B) products.
C) firms.
D) factory sizes.

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Table 13-4 Charles's Math Tutoring Table 13-4 Charles's Math Tutoring    -Refer to Table 13-4. Suppose that Charles's math tutoring company has a fixed cost of $50 per month for his cell phone. Each worker costs Charles $60 per day. As output increases from 45 to 70 students, Charles's total cost curve A)  increases but gets flatter. B)  increases and gets steeper. C)  decreases and gets flatter. D)  decreases but gets steeper. -Refer to Table 13-4. Suppose that Charles's math tutoring company has a fixed cost of $50 per month for his cell phone. Each worker costs Charles $60 per day. As output increases from 45 to 70 students, Charles's total cost curve


A) increases but gets flatter.
B) increases and gets steeper.
C) decreases and gets flatter.
D) decreases but gets steeper.

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Figure 13-1 Figure 13-1   -Refer to Figure 13-1. Suppose the production function shifts from TP2 to TP1. Such a shift in the total product curve is most likely due to a decrease in the firm's A)  costs of production. B)  product price. C)  market share. D)  productivity. -Refer to Figure 13-1. Suppose the production function shifts from TP2 to TP1. Such a shift in the total product curve is most likely due to a decrease in the firm's


A) costs of production.
B) product price.
C) market share.
D) productivity.

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Economists normally assume that the goal of a firm is to


A) maximize its total revenue.
B) maximize its profit.
C) minimize its explicit costs.
D) minimize its total cost.

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