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Scenario 18-2 Gertrude Kelp owns three boats that participate in commercial fishing for fresh Pacific salmon off the coast of Alaska. As part of her business she hires a captain and several crew members for each boat. In the market for fresh Pacific salmon, there are thousands of firms like Gertrude's. While Gertrude usually catches a significant number of fish each year, her contribution to the entire harvest of salmon is negligible relative to the size of the market. -Refer to Scenario 18-2. In the fresh Pacific salmon product market, Gertrude has some control over the


A) price she charges for her fresh salmon.
B) quantity of fresh salmon that she supplies to the market.
C) competitive environment of the market.
D) supply of labor in the market.

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

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Figure 18-10 Figure 18-10   -Refer to Figure 18-10. Assume W1 = $20 and W2 = $22, and the market is always in equilibrium. A shift of the labor demand curve from D1 to D2 would A)  increase the value of the marginal product of labor by $2. B)  increase the value of the marginal product of labor by less than $2. C)  decrease the value of the marginal product of labor by more than $2. D)  not change the value of the marginal product of labor. -Refer to Figure 18-10. Assume W1 = $20 and W2 = $22, and the market is always in equilibrium. A shift of the labor demand curve from D1 to D2 would


A) increase the value of the marginal product of labor by $2.
B) increase the value of the marginal product of labor by less than $2.
C) decrease the value of the marginal product of labor by more than $2.
D) not change the value of the marginal product of labor.

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

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As a result of increasing its workforce from 9 workers to 10 workers, a firm's total revenue per day increases from $60,000 to $60,250 and its total cost per day increases from $58,500 to $58,700. The marginal profit of the 10th worker is


A) -$50.
B) $50.
C) $200.
D) $250.

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

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Why do we say that the demand for labor is a derived demand?

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A firm's demand for labor (or ...

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Labor supply curves are always upward sloping.

A) True
B) False

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Value of marginal product is defined as the additional


A) output a firm would receive after hiring one more factor of production.
B) cost of hiring one more factor of production.
C) revenue earned from selling one more unit of product.
D) revenue earned from hiring one more factor of production.

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

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Suppose that a rare virus infects and kills a significant percentage of the population. Assuming that land and labor are complements in a farming production function, what would happen to the wages earned by workers and the rents earned by landowners?


A) Both wages and rents would increase.
B) Both wages and rents would decrease.
C) Wages would increase, and rents would decrease.
D) Wages would decrease, and rents would increase.

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

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Figure 18-10 Figure 18-10   -Refer to Figure 18-10. If the relevant labor demand curve is D2 and the current wage is W1, A)  there is a surplus of labor. B)  there is a shortage of labor. C)  the quantity of labor supplied exceeds the quantity of labor demanded. D)  workers are failing to take into account the work-leisure tradeoff in deciding what quantity of labor to supply at alternative wages. -Refer to Figure 18-10. If the relevant labor demand curve is D2 and the current wage is W1,


A) there is a surplus of labor.
B) there is a shortage of labor.
C) the quantity of labor supplied exceeds the quantity of labor demanded.
D) workers are failing to take into account the work-leisure tradeoff in deciding what quantity of labor to supply at alternative wages.

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

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Along the vertical axis of the production function we typically measure


A) revenue.
B) the marginal product of the input.
C) the quantity of input.
D) the quantity of output.

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

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Consider the market for capital equipment. Suppose the value of the marginal product of capital equipment increases. Holding all else constant, the equilibrium quantity of capital equipment will


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

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

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If the demand for labor in a particular industry increases, the equilibrium wage in that industry will also increase.

A) True
B) False

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Labor-saving technological advances increase the marginal productivity of labor.

A) True
B) False

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Table 18-6 Table 18-6    -Refer to Table 18-6. What is the value for the cell labeled DD? A)  −$100 B)  $300 C)  $100 D)  $50 -Refer to Table 18-6. What is the value for the cell labeled DD?


A) −$100
B) $300
C) $100
D) $50

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

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Suppose that a large tornado destroys the fleet of fire trucks for the city of Omaha, Nebraska. What happens to the earnings of firefighters in Omaha?


A) The reduction in the supply of fire trucks reduces the marginal productivities of Omaha firefighters, which causes the equilibrium wage to fall.
B) The reduction in the supply of fire trucks increases the marginal productivities of Omaha firefighters, which causes the equilibrium wage to fall.
C) The reduction in the supply of fire trucks reduces the marginal productivities of Omaha firefighters, which causes the equilibrium wage to rise.
D) The reduction in the supply of fire trucks increases the marginal productivities of Omaha firefighters, which causes the equilibrium wage to rise.

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

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Figure 18-2 The figure below shows the production function for a particular firm. Figure 18-2 The figure below shows the production function for a particular firm.   -Refer to Figure 18-2. Suppose the firm pays a wage equal to $320 per unit of labor and sells its output at $15 per unit. How many units of labor should the firm hire to maximize profit? A)  2 units B)  3 units C)  4 units D)  5 units -Refer to Figure 18-2. Suppose the firm pays a wage equal to $320 per unit of labor and sells its output at $15 per unit. How many units of labor should the firm hire to maximize profit?


A) 2 units
B) 3 units
C) 4 units
D) 5 units

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

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Suppose the government designates certain areas within a community to be "wetlands," making it illegal to build on the land. What happens to land not classified as "wetlands" within the community? (i) The price of non-wetland land will rise. (ii) The marginal product of non-wetland land will fall. (iii) The marginal product of non-wetland land will rise.


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

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

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The value of the marginal product of labor can be calculated as the price of the final good minus the marginal product of labor.

A) True
B) False

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Diane's Auto World installs tires on automobiles, light trucks, and sport utility vehicles. She is a profit-maximizing business owner whose firm operates in a competitive market. The marginal cost of installing a tire is $20. The marginal productivity of the last worker that Diane hired was 2 tires per hour. What is the maximum hourly wage that Diane was willing to pay the last worker hired?


A) $10
B) $20
C) $40
D) There is insufficient information to answer this question.

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

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Which of the following would be an example of capital for a computer software firm? (i) the firm's computer programmers (ii) the wages the firm pays to its computer programmers (iii) computer equipment


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

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

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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. The value­of­marginal­product curve that is drawn could be relabeled as the firm's A)  production function. B)  total revenue curve. C)  labor supply curve. D)  labor demand curve. -Refer to Figure 18-5. The value­of­marginal­product curve that is drawn could be relabeled as the firm's


A) production function.
B) total revenue curve.
C) labor supply curve.
D) labor demand curve.

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

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