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

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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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For a profit-maximizing competitive firm,the value of marginal product curve is


A) always rising.
B) falling only when marginal product is rising.
C) the labor supply curve.
D) the labor demand curve.

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

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The term "factor market" applies to the market for


A) labor.
B) capital.
C) land.
D) All of the above are correct.

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

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A competitive firm sells its output for $25 per unit.The marginal product of the 10th worker is 10 units of output per day;the marginal product of the 11th worker is 8 units of output per day.The firm pays its workers a wage of $160 per day.For the 10th worker,the value of the marginal product of labor is


A) $50.
B) $250.
C) $300.
D) $1,500.

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

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The rental price of capital is


A) determined outside the realm of factor markets.
B) the price paid to use capital for a limited time period.
C) the price paid for ownership of the capital.
D) always more than the purchase price.

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

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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 C)
F) A) and D)

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Table 18-1.The table displays data for a small,competitive,profit-maximizing firm that produces and sells envelopes.The time frame is one week. Table 18-1.The table displays data for a small,competitive,profit-maximizing firm that produces and sells envelopes.The time frame is one week.    -Refer to Table 18-1.Suppose the firm sells each box of envelopes that it produces for $6.What is the marginal profit of the fourth worker? A)  $-132 B)  $-96 C)  $132 D)  $504 -Refer to Table 18-1.Suppose the firm sells each box of envelopes that it produces for $6.What is the marginal profit of the fourth worker?


A) $-132
B) $-96
C) $132
D) $504

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

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Changes in supply and demand in the labor market will cause changes in wages.

A) True
B) False

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A sandwich shop hires workers to make sandwiches and sell them to customers.If the firm is competitive in both the market for sandwiches and in the market for sandwich-makers,then it has


A) some control over both the price of sandwiches and the wage it pays to its workers.
B) no control over the price of sandwiches but some control over the wage it pays to its workers.
C) some control over the price of sandwiches but no control over the wage it pays to its workers.
D) no control over either the price of sandwiches or the wage it pays to its workers.

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

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Table 18-8 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 18-8 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 18-8.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 18-8.What is the marginal product of the third unit of labor?


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

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

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Which of the following could increase the supply of labor in the market for cranberry pickers? (i) A change in the preferences of women toward full-time work (ii) An increase in the output price (iii) An increase in the wages paid to apple pickers (iv) A decrease in the wages paid to apple pickers


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

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

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Which of the following best illustrates the concept of "derived demand?"


A) An increase in the wages of auto workers will lead to an increase in the demand for robots in automobile factories.
B) An automobile producer's decision to supply more cars will lead to an increase in the demand for automobile production workers.
C) An automobile producer's decision to supply more minivans results from a decrease in the demand for station wagons.
D) An increase in the price of gasoline will lead to an increase in the demand for small cars.

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

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An increase in a product's price will shift the labor demand curve for workers who produce that product to the left.

A) True
B) False

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Table 18-10 Consider the following daily production data for Caroline's Cookies,Inc.Caroline's sells cookies for $2.50 each and pays the workers a wage of $325 per day. Table 18-10 Consider the following daily production data for Caroline's Cookies,Inc.Caroline's sells cookies for $2.50 each and pays the workers a wage of $325 per day.    -Refer to Table 18-10.Assume that Caroline's Cookies is a competitive,profit-maximizing firm.If the market price of cookies decreases from $2.50 to $2.00,how many workers would the firm then hire? A)  2 workers B)  3 workers C)  4 workers D)  5 workers -Refer to Table 18-10.Assume that Caroline's Cookies is a competitive,profit-maximizing firm.If the market price of cookies decreases from $2.50 to $2.00,how many workers would the firm then hire?


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

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

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Suppose that a toxic waste spill renders half of the land in New Jersey uninhabitable.Assuming that land and labor are complements in the 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) None of the above
F) All of the above

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Figure 18-6 Figure 18-6   -Refer to Figure 18-6.The graph above illustrates the market for bakers who make homemade breads and breakfast pastries in Northern Minnesota.If Northern Minnesota experiences an increase in immigration from Canada,what happens in the market for bakers? A)  Demand increases from D1 to D2. B)  Demand decreases from D2 to D1. C)  Supply increases from S1 to S2. D)  Supply decreases from S2 to S1. -Refer to Figure 18-6.The graph above illustrates the market for bakers who make homemade breads and breakfast pastries in Northern Minnesota.If Northern Minnesota experiences an increase in immigration from Canada,what happens in the market for bakers?


A) Demand increases from D1 to D2.
B) Demand decreases from D2 to D1.
C) Supply increases from S1 to S2.
D) Supply decreases from S2 to S1.

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

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Suppose a shift of the labor-demand curve results in an increase of $5 in the equilibrium wage.How does this shift affect the value of the marginal product of labor?

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The shift must incre...

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


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

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

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

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