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If a firm is able to charge a higher price for its output, all else equal, the value of the marginal product of labor will decrease to offset the higher price.

A) True
B) False

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Scenario 18-7 Suppose the following events occur in the market for university economics professors. Event 1: A recession in the U.S. economy lowers the opportunity cost of going to graduate school in economics to become a university economics professor. Event 2: An increasing number of students in U.S. primary and secondary schools increases the number of students entering college, increasing the output price of university economics professors' services. -Refer to Scenario 18-7. As a result of these two events, holding all else constant, the equilibrium quantity of university economics professors will


A) increase.
B) decrease.
C) not change.
D) It is not possible to determine what will happen to the equilibrium quantity.

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

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Figure 18-11 Figure 18-11   -Refer to Figure 18-11. Suppose the intersection of the supply and demand curves matches with a value of $200 on the vertical axis. Then A)  the marginal product of capital is 200. B)  the value of the marginal product of capital is $200. C)  a unit of capital can be purchased for $200. D)  each worker in markets that produce capital goods earns a wage of $200. -Refer to Figure 18-11. Suppose the intersection of the supply and demand curves matches with a value of $200 on the vertical axis. Then


A) the marginal product of capital is 200.
B) the value of the marginal product of capital is $200.
C) a unit of capital can be purchased for $200.
D) each worker in markets that produce capital goods earns a wage of $200.

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

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In order to calculate the value of the marginal product of labor, a manager must know the marginal product of labor and the wage rate of the worker.

A) True
B) False

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Table 18-5 Table 18-5   -Refer to Table 18-5. How many workers should the firm hire? A)  1 B)  2 C)  3 D)  4 -Refer to Table 18-5. How many workers should the firm hire?


A) 1
B) 2
C) 3
D) 4

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

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Suppose that the labor market for high school chemistry teachers is initially in equilibrium. Chemistry teachers use laboratory chemicals as an important part of their jobs. New environmental regulations ban the use of many chemicals, which means that fewer laboratory chemicals are available for high school chemistry teachers to use in their jobs. In the market for high school chemistry teachers, the equilibrium wage


A) increases because the marginal productivity of high school chemistry teachers increases.
B) decreases because the marginal productivity of high school chemistry teachers decreases.
C) increases because the supply of high school chemistry teachers increases.
D) decreases because the supply of high school chemistry teachers decreases.

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

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The quantity available of one factor of production can affect the marginal product of other factors.

A) True
B) False

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The demand for rocket scientists is inseparably linked to the supply of .

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To maximize profit, a competitive firm hires workers up to the point of intersection of the


A) marginal product curve and the wage line.
B) value of marginal product curve and the wage line.
C) value of marginal product curve and the marginal revenue curve.
D) total revenue curve and the wage line.

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

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The negative slope of the value of marginal product curve is most easily explained by


A) tight labor markets.
B) a surplus of workers.
C) diminishing marginal product.
D) diminishing marginal cost.

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

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Figure 18-5 The figure shows a particular profit­maximizing, competitive firm's value­of­marginal­product (VMP) curve. On the horizontal axis, L represents the number of workers. The time frame is daily. Figure 18-5 The figure shows a particular profit­maximizing, competitive firm's value­of­marginal­product (VMP)  curve. On the horizontal axis, L represents the number of workers. The time frame is daily.   -Refer to Figure 18-5. Suppose one point on the firm's production function is (L = 3, Q = 180) , where L = number of workers and Q = quantity of output. If the firm sells its output for $5 per unit, then A)  a second point on the firm's production function is (L = 4, Q = 216) . B)  the firm's production function exhibits the property of diminishing marginal product of labor. C)  the firm will maximize profit by hiring four workers if it pays workers $160 per day. D)  All of the above are correct. -Refer to Figure 18-5. Suppose one point on the firm's production function is (L = 3, Q = 180) , where L = number of workers and Q = quantity of output. If the firm sells its output for $5 per unit, then


A) a second point on the firm's production function is (L = 4, Q = 216) .
B) the firm's production function exhibits the property of diminishing marginal product of labor.
C) the firm will maximize profit by hiring four workers if it pays workers $160 per day.
D) All of the above are correct.

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

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Consider the market for land. Suppose the value of the marginal product of land decreases. Holding all else constant, the equilibrium rental price for land will


A) increase.
B) decrease.
C) not change.
D) It is not possible to determine what will happen to the equilibrium rental rate.

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

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Table 18-10 Table 18-10   -Refer to Table 18-10. This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor. Each baseball sells for $2.50 in a competitive market. What is the marginal revenue product of the fourth worker? A)  $200 B)  $300 C)  $400 D)  $500 -Refer to Table 18-10. This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor. Each baseball sells for $2.50 in a competitive market. What is the marginal revenue product of the fourth worker?


A) $200
B) $300
C) $400
D) $500

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

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In the 1980s, the dangerous Ebola virus entered the United States through contaminated monkeys that were imported for use in medical experiments. Suppose this virus had not been contained but had spread to the general population. Assume that the virus is lethal in half of the people who are exposed to it. Describe the resulting effect on labor productivity.

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There are two possible direct effects: O...

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A competitive, profit-maximizing firm hires labor up to the point at which the wage is equal to the .

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value of t...

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When a firm experiences diminishing marginal product, what is the shape of the curve that represents the value of the marginal product of labor?


A) U-shaped
B) vertical
C) downward sloping
D) upward sloping

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

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Because of diminishing returns, a factor in abundant supply has a


A) high marginal product and a high rental price.
B) high marginal product and a low rental price.
C) low marginal product and a high rental price.
D) low marginal product and a low rental price.

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

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Table 18-10 Table 18-10   -Refer to Table 18-10. This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor. Each baseball sells for $5 in a competitive market. What is the total revenue per day that the firm will earn if it employs five workers? A)  $500 B)  $300 C)  $2,200 D)  $2,500 -Refer to Table 18-10. This table describes the number of baseballs a manufacturer can produce per day with different quantities of labor. Each baseball sells for $5 in a competitive market. What is the total revenue per day that the firm will earn if it employs five workers?


A) $500
B) $300
C) $2,200
D) $2,500

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

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A pretzel-stand owner in Chicago hires workers to make hot pretzels and sell them to customers. If the firm is competitive in both the market for pretzels and in the market for pretzel-makers, then it has


A) some control over both the price of pretzels and the wage it pays to its workers.
B) no control over the price of pretzels but some control over the wage it pays to its workers.
C) some control over the price of pretzels but no control over the wage it pays to its workers.
D) no control over either the price of pretzels or the wage it pays to its workers.

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

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The demand curve for capital


A) is vertical.
B) is horizontal.
C) is derived from households' decisions concerning saving and spending.
D) reflects the marginal productivity of capital.

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

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