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Which of the following events could increase the demand for labor?


A) A decrease in output price
B) A decrease in the amount of capital available for workers to use
C) An increase in the marginal productivity of workers
D) A decrease in the wage paid to workers

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

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Which of the following is not correct?


A) High-skilled immigration has many economic benefits.
B) Each year in the United States, about one-third of the people earning a PhD. in science or engineering are foreign born.
C) Low-skilled immigration lowers the earnings of native-born workers by 10-20 percent.
D) Illegal immigrants may pay less in taxes, but they also are ineligible for many government benefits.

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

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An increase in population can be expected to


A) increase the marginal product of land.
B) decrease the supply of land.
C) decrease the rents on land.
D) decrease the demand for land.

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

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An increase in the value of the marginal product of labor has the effect of increasing the


A) demand for labor.
B) wage.
C) quantity of labor employed.
D) All of the above are correct.

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

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Labor markets are different from most other markets because labor demand is


A) unresponsive to changes in wages.
B) unresponsive to changes in the final prices of the products produced by the labor.
C) a derived demand.
D) very responsive to labor supply.

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

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A change in the supply of one factor of production


A) can alter the earnings of all of the other factors.
B) alters the earnings of capital and labor but not land.
C) will not change the marginal productivities of other factors but may change their prices.
D) alters the earnings of that factor only.

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

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Figure 18-3 Figure 18-3   -Refer to Figure 18-3. Suppose that the price of the output is $20. What is the value of the marginal product of the fourth worker? A) $1 B) $20 C) $280 D) $300 -Refer to Figure 18-3. Suppose that the price of the output is $20. What is the value of the marginal product of the fourth worker?


A) $1
B) $20
C) $280
D) $300

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

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Table 18-B Consider the following daily production data for MadeFromScratch, Inc. MadeFromScratch sells cupcakes for $3 each and pays the workers a wage of $325 per day. Table 18-B Consider the following daily production data for MadeFromScratch, Inc. MadeFromScratch sells cupcakes for $3 each and pays the workers a wage of $325 per day.   -Refer to Table 18-B. The marginal product of labor begins to diminish with the addition of which worker? A) the 1st worker B) the 2nd worker C) the 3rd worker D) the 4th worker -Refer to Table 18-B. The marginal product of labor begins to diminish with the addition of which worker?


A) the 1st worker
B) the 2nd worker
C) the 3rd worker
D) the 4th worker

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

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Scenario 18-3 Sam has two jobs, one for the winter and one for the summer. In the winter, he works as a lift attendant at a ski resort where he earns $13 per hour. During the summer, he drives a tour bus around the ski resort, earning $11 per hour. -Refer to Scenario 18-3. During the winter months, what is Sam's opportunity cost of taking an hour off work to go skiing?


A) $13
B) between $11 and $12
C) $11
D) less than $11

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

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Restaurants' demand for cooks and waiters is inseparably linked to the supply of __________.

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Miguel receives a pay raise at his part-time job from $7.50 to $9 per hour. He used to work 10 hours per week, but now he decides to work 12 hours per week. For this price range, his labor supply curve is


A) vertical.
B) horizontal.
C) upward sloping.
D) backward sloping.

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

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A profit-maximizing, competitive firm for which the marginal product of labor is diminishing also experiences


A) a perfectly inelastic supply of labor.
B) a perfectly elastic supply of labor.
C) a downward-sloping demand for labor.
D) an upward-sloping demand for labor.

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

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An upward-sloping labor-supply curve implies that an increase in the wage induces


A) firms to decrease the quantity of labor they hire.
B) firms to increase the quantity of labor they hire.
C) workers to increase the quantity of labor they supply.
D) workers to increase the quantity of leisure they enjoy.

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

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Which of the following is correct?


A) Any event that changes the supply or demand for labor must change the value of the marginal product.
B) A profit-maximizing firm hires workers so long as the wage rate exceeds the value of the marginal product of labor.
C) An increase in the supply of labor increases both employment and wages.
D) A decrease in the demand for labor decreases wages but increases employment.

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

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If men's preferences for work change such that more men want to be stay-at-home fathers, the wages paid to men who remain in the workplace would rise, all else equal.

A) True
B) False

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Table 18-9 The following table shows the production function for a particular business. The numbers represent the various labor and output combinations the firm may choose for its output on a daily basis. Table 18-9 The following table shows the production function for a particular business. The numbers represent the various labor and output combinations the firm may choose for its output on a daily basis.   -Refer to Table 18-9. What is the marginal product of the third unit of labor? A) 40 units B) 50 units C) 60 units D) 180 units -Refer to Table 18-9. What is the marginal product of the third unit of labor?


A) 40 units
B) 50 units
C) 60 units
D) 180 units

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

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Consider the market for medical doctors. Suppose the opportunity cost of going to medical school decreases for many individuals. Suppose it generally takes about ten years to become a practicing doctor. Holding all else constant, in ten years the equilibrium quantity of doctors will


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

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

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Table 18-7 Table 18-7   -Refer to Table 18-7. What is the market price of the final good? A) $5 B) $6 C) $8 D) $10 -Refer to Table 18-7. What is the market price of the final good?


A) $5
B) $6
C) $8
D) $10

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

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Both theory and history point to a close relationship between increases in


A) labor demand and increases in labor supply.
B) labor demand and decreases in real wages.
C) the productivity of labor and increases in real wages.
D) interest rates and decreases in real wages.

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

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

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