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Exam 13: The Costs of Production

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Question 141

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Table 13-6 Wooden Chair Factory -Refer to Table 13-6. Each worker at the Wooden Chair Factory costs $12 per hour. The cost of each machine is$20 per day regardless of the number of chairs produced. What is the total daily cost of producing at a rate of 55 chairs per hour if the factory operates 8 hours per day?

A) $480
B) $576
C) $520
D) $616

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

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Question 142

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Suppose that a firm's long­run average total costs of producing small commuter jet airplanes increases as it produces between 2,000 and 4,000 airplanes. For this range of output, the firm is experiencing

A) economies of scale.
B) constant returns to scale.
C) diseconomies of scale.
D) specialization.

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

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Question 143

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Katherine gives piano lessons for $20 per hour. She also grows flowers, which she arranges and sells at the local farmer's market. One day she spends 5 hours planting $50 worth of seeds in her garden. Once the seeds have grown into flowers, she can sell them for $150 at the farmer's market. Katherine's accounting profits are

The marginal product of labor is equal to the

Which field of economics studies how the number of firms affects the prices in a market and the efficiency of market outcomes?

Which of the following statements is correct?

Suppose a certain firm is able to produce 165 units of output per day when 15 workers are hired. The firm is able to produce 181 units of output per day when 16 workers are hired, holding other inputs fixed. The marginal product of the 16th worker is

Table 13-3 -Refer to Table 13-3. The marginal product of the fourth worker is

When economists speak of a firm's costs, they are usually excluding the opportunity costs.

As Bubba's Bubble Gum Company adds workers while using the same amount of machinery, some workers may be underutilized because they have little work to do while waiting in line to use the machinery. When this occurs, Bubba's Bubble Gum Company encounters

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 economist would calculate the total profit for one birdhouse to be

Table 13-1 -Refer to Table 13-1. What is total output when 1 worker is hired?

Average variable cost will decrease if .

Figure 13-2 -Refer to Figure 13-2. The graph illustrates a typical production function. Based on its shape, what does the corresponding total cost curve look like?

When a firm experiences economies of scale, long-run average total cost falls as the quantity of output increases.

Figure 13-9 The figure below depicts average total cost functions for a firm that produces automobiles. -Refer to Figure 13-9. Which curve represents the long-run average total cost?

If the marginal cost of producing the tenth unit of output is $2.50, and if the average total cost of producing the tenth unit of output is $3, then at ten units of output, average total cost is rising.

Let L represent the number of workers hired by a firm, and let Q represent that firm's quantity of output. Assume two points on the firm's production function are (L=6,Q=147) and (L=7,Q=184) . The marginal product of the seventh worker is

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

In the long run a company that produces and sells covers for cell phones incurs total costs of $2,500 when output is 1,250 covers and $4,000 when output is 1,500 covers. For this range of output, the cell phone cover company exhibits