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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.If Gertrude is a price taker in the labor market,she can choose


A) the price at which she will sell the fish she catches.
B) how many crew members she will hire.
C) the wages that she will pay to her crew members.
D) All of the above.

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

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An increase in immigration will lower the equilibrium wage,all else held constant.

A) True
B) False

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If a firm experiences diminishing marginal productivity of labor,the marginal product


A) increases as total product increases.
B) decreases as total product increases.
C) increases as total product decreases.
D) decreases as total product decreases.

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

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An increase in the output price will increase the firm's demand for labor,all else equal.

A) True
B) False

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Figure 18-3 Figure 18-3    -Refer to Figure 18-3.What is the marginal product of the fourth worker? A)  1 unit B)  2 units C)  3.75 units D)  15 units -Refer to Figure 18-3.What is the marginal product of the fourth worker?


A) 1 unit
B) 2 units
C) 3.75 units
D) 15 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) A) and B)
F) A) and C)

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Suppose that a new invention increases the marginal productivity of labor,shifting labor demand to the right.Such an invention would be an example of


A) labor-saving technology.
B) labor-augmenting technology.
C) Luddite technology.
D) supply-shifting technology.

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

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In general,less productive workers are paid less than more productive workers.

A) True
B) False

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Suppose that the labor market for life guards is initially in equilibrium.Then a new television series debuts which glamorizes the social opportunities for life guards.What happens to the equilibrium wage and quantity of life guards?


A) Both the equilibrium wage and quantity increase.
B) Both the equilibrium wage and quantity decrease.
C) The equilibrium wage increases, and the equilibrium quantity decreases.
D) The equilibrium wage decreases, and the equilibrium quantity increases.

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

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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 labor supply curve is fundamentally a representation of the trade-off people face between which of the following?


A) work and wages
B) work and leisure
C) wages and productivity
D) technology and wages

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

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In economics,the term capital refers to


A) money.
B) stocks and bonds.
C) equipment and structures used in production.
D) All of the above are correct.

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

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The idea that rational employers think at the margin is central to understanding how many units of labor they choose to employ.

A) True
B) False

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Capital income does not include income paid to households for the use of their capital.

A) True
B) False

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Table 18-9 Table 18-9    -Refer to Table 18-9.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 and the firm pays each unit of labor a wage equal to $225 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 18-9.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 and the firm pays each unit of labor a wage equal to $225 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) None of the above

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Which of the following would not shift a market labor supply curve to the right?


A) a decrease in the wage paid to workers in a competing market
B) labor-augmenting technology
C) a change in worker tastes so that workers want to retire later
D) an increase in immigration

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

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If the price of airline tickets falls,what will happen to the demand curve for flight attendants?


A) It will shift to the right.
B) It will shift to the left.
C) The direction of the shift is ambiguous.
D) It will remain unchanged.

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

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Suppose that a large lake in the middle of Minnesota evaporates,leaving more fertile farm land for growing corn available.Assuming that land and labor are complements in a farming production function,what would happen to the wages earned by workers and 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) B) and C)

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Suppose that a competitive firm hires labor up to the point at which the value of the marginal product equals the wage and that labor is the only input that varies for the firm.If the firm pays a wage of $700 per week and the marginal product of labor equals 20 units per week,then the marginal cost of producing an additional unit of output is


A) $35.
B) $70.
C) $700.
D) We do not have enough information to answer this question.

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

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Consider the labor market for heath care workers.Because of the aging population in the United States,the output price for health care services has increased.Holding all else equal,in the labor market for health care employees the equilibrium wage


A) increases, and the equilibrium quantity of labor increases.
B) increases, and the equilibrium quantity of labor decreases.
C) decreases, and the equilibrium quantity of labor increases.
D) decreases, and the equilibrium quantity of labor decreases.

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

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