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The marginal product of land depends on the quantity of land that is available.

A) True
B) False

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Economists refer to the inputs that firms use to produce goods and services as


A) derived factors.
B) derived resources.
C) factors of production.
D) instruments of revenue.

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

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C

Using the theory of wage determination,explain why wages in developing countries,where levels of capital are small,are typically quite low.

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Wages are determined by the value of wor...

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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) None of the above

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A profit-maximizing competitive firm will hire workers up to the point at which the wage equals the marginal product of labor.

A) True
B) False

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For competitive firms,the curve that represents the value of marginal product of labor is the same as the demand for labor curve.

A) True
B) False

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Figure 18-5 The figure shows a particular profit-maximizing,competitive firm's value-of-marginal-product (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 profit-maximizing,competitive firm's value-of-marginal-product (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) B) and C)
F) A) and D)

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For a competitive firm experiencing diminishing marginal productivity,the value of the marginal product (i) increases when the price of output decreases. (ii) changes when marginal product changes. (iii) diminishes as the number of workers rises.


A) (i) and (ii)
B) (i) and (iii)
C) (ii) and (iii)
D) All of the above are correct.

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

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The marginal product of labor is defined as the change in


A) output per additional unit of revenue.
B) output per additional unit of labor.
C) revenue per additional unit of labor.
D) revenue per additional unit of output.

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

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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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False

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.Based on the given information,it is likely that Gertrude's firm has


A) some influence over the wages paid to crew members but no influence over the price of salmon.
B) some influence over the price of salmon but no influence over the wages paid to crew members.
C) some influence over both the price of salmon and the wages paid to crew members.
D) no influence over either the price of salmon or the wages paid to crew members.

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

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When we focus on the firm as a supplier of a good or a service,we assume that the firm is a profit maximizer.When we focus on the firm as a demander of labor,we assume that the firm's objective is to


A) minimize wages.
B) minimize variable costs.
C) maximize the number of workers hired.
D) maximize profit.

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

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Consider the market for university economics professors.Suppose the opportunity cost of going to graduate school to get a Ph.D.in economics decreases for many individuals.Suppose it generally takes about five years to get a Ph.D.in economics.Holding all else constant,in five years the equilibrium wage for university economics professors will


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

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

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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 the price of fresh Pacific salmon were to decrease significantly,it is most likely that Gertrude would


A) reduce her demand for crew members.
B) hire more boats.
C) become a seller in at least one factor market.
D) hire more crew members.

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

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Which of the following would shift a market labor supply curve to the right?


A) an increase in the price of output
B) an increase in immigration
C) a labor-saving technological change
D) a decrease in the wage rate

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

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Movements of workers from country to country can cause shifts in the labor supply curves for both countries.

A) True
B) False

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For a competitive,profit-maximizing firm,the labor demand curve is the same as the


A) marginal cost curve.
B) value of marginal product curve.
C) production function.
D) profit function.

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

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Suppose that the market for labor is initially in equilibrium.An increase in the price of output will cause the equilibrium wage


A) and the equilibrium quantity of labor to rise.
B) and the equilibrium quantity of labor to fall.
C) to rise and the equilibrium quantity of labor to fall.
D) to fall and the equilibrium quantity of labor to rise.

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

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A

Describe the difference between a diminishing marginal product of labor and a negative marginal product of labor.Why would a profit-maximizing firm always choose to operate where the marginal product of labor is decreasing (but not negative)?

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Diminishing marginal product of labor me...

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


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

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

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