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Table 18-3 Table 18-3    -Refer to Table 18-3.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 and the firm pays each unit of labor a wage equal to $320 per day.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 Table 18-3.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 and the firm pays each unit of labor a wage equal to $320 per day.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) A) and B)
F) All of the above

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The Black Death in fourteenth-century Europe resulted in


A) a lower marginal product of labor of surviving workers.
B) a higher marginal product of labor of surviving workers.
C) economic hardship for surviving peasants.
D) economic prosperity for surviving landowners.

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

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A decrease 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) increase the demand for land.

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

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When firms are able to increase the amount of physical capital available to workers,the


A) marginal product of labor will decrease.
B) value of the marginal product of labor will decrease.
C) value of the marginal product of labor will increase.
D) final product price will increase.

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

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As the number of concrete workers in the United States falls,the wage paid to the remaining concrete workers will necessarily fall as well.

A) True
B) False

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Fred's hourly wage increases from $8 to $10.Which of the following describes a consequence of the increase in Fred's wage?


A) The opportunity cost of Fred's leisure time has decreased.
B) Fred may choose to work fewer hours due to the increase in his wage.
C) If Fred's labor supply curve is upward sloping,Fred will choose to work fewer hours.
D) Both a and b are correct.

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

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Your best friend receives a pay raise at her part-time job from $8 to $10 per hour.She used to work 16 hours per week,but now she decides to work 20 hours per week.For this price range,her labor supply curve is


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

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

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Prairie Cabinets produces and sells custom kitchen cabinets.The firm has determined that if it hires 10 workers,it can produce 10 sets of cabinets per day.If it hires 11 workers,it can produce 12 sets of cabinets per day.It sells each set of cabinets for $2,000,and it pays each of its workers $200 per day.Which of the following is correct?


A) For the 11th worker,the value of the marginal product of labor is $400.
B) For the 11th worker,the value of the marginal product of labor is $4,000.
C) The firm should not hire the 11th worker since hiring this worker reduces profit.
D) In order to justify hiring the 11th worker the firm will need to raise the price of a set of cabinets.

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

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The labor-supply curve is affected by the trade-off between labor and leisure.

A) True
B) False

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


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

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

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Suppose that workers immigrate to Minnesota from Canada.Which of the following correctly describes what would happen in the market for labor in Minnesota?


A) The equilibrium wage would increase,and the quantity of labor would increase.With more workers,the added output from an extra worker is larger.
B) The equilibrium wage would decrease,and the quantity of labor would decrease..With fewer workers,the added output from an extra worker is smaller.
C) The equilibrium wage would decrease,and the quantity of labor would increase.With more workers,the added output from an extra worker is smaller.
D) The equilibrium wage would decrease,and the quantity of labor would increase.With more workers,the added output from an extra worker is larger.

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

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Figure 18-6 Figure 18-6   -Refer to Figure 18-6.The shift of the labor demand curve from D<sub>1</sub> to D<sub>2</sub> could possibly be explained by A)  technological progress. B)  an increase in the price of firms' output. C)  an increase in the supply of a relevant factor of production other than labor. D)  All of the above are correct. -Refer to Figure 18-6.The shift of the labor demand curve from D1 to D2 could possibly be explained by


A) technological progress.
B) an increase in the price of firms' output.
C) an increase in the supply of a relevant factor of production other than labor.
D) All of the above are correct.

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

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Figure 18-1.On the graph,L represents the quantity of labor and Q represents the quantity of output per week. Figure 18-1.On the graph,L represents the quantity of labor and Q represents the quantity of output per week.   -Refer to Figure 18-1.The marginal product of the second worker is A)  90 units of output. B)  105 units of output. C)  210 units of output. D)  330 units of output. -Refer to Figure 18-1.The marginal product of the second worker is


A) 90 units of output.
B) 105 units of output.
C) 210 units of output.
D) 330 units of output.

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

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Figure 18-5 Figure 18-5   -Refer to Figure 18-5.If the apple pickers start working fewer hours (by taking more vacation time) ,the equilibrium wage will A)  fall below w<sub>1</sub> due to a shift in demand. B)  fall below w<sub>1</sub> due to a shift in supply. C)  rise above w<sub>1</sub> due to a shift in demand. D)  rise above w<sub>1</sub> due to a shift in supply. -Refer to Figure 18-5.If the apple pickers start working fewer hours (by taking more vacation time) ,the equilibrium wage will


A) fall below w1 due to a shift in demand.
B) fall below w1 due to a shift in supply.
C) rise above w1 due to a shift in demand.
D) rise above w1 due to a shift in supply.

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

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Suppose that the market for labor is initially in equilibrium.Suppose that workers' tastes change so that they choose to retire at age 55 rather than age 67.Then


A) the equilibrium wage and the quantity of labor will both rise.
B) the equilibrium wage and the quantity of labor will both fall.
C) the equilibrium wage will rise and the quantity of labor will fall.
D) the equilibrium wage will fall and the quantity of labor will rise.

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

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A Luddite would be expected to oppose


A) working more than eight hours per day.
B) technological advance.
C) national policies that limit immigration into the country.
D) the use of economic models to demonstrate market equilibrium.

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

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Labor-augmenting technological advances decrease the marginal productivity of labor.

A) True
B) False

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The purchase price of capital is


A) the value of the capital to the firm.
B) always less than the rental price.
C) the price received from the flow of some capital services.
D) the price a person pays to own that factor of production indefinitely.

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

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Figure 18-5 Figure 18-5   -Refer to Figure 18-5.If the price of apples increases,the wage will A)  increase and more apple pickers will be hired. B)  decrease and more apple pickers will be hired. C)  increase and fewer apple pickers will be hired. D)  decrease and fewer apple pickers will be hired. -Refer to Figure 18-5.If the price of apples increases,the wage will


A) increase and more apple pickers will be hired.
B) decrease and more apple pickers will be hired.
C) increase and fewer apple pickers will be hired.
D) decrease and fewer apple pickers will be hired.

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

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A significant slowdown in the growth of productivity persisted in the U.S.economy between


A) 1959 and 1973.
B) 1973 and 1995.
C) 1973 and the present.
D) 1995 and the present.

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

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