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Paul is the owner of Paul's Popcorn Palace.Paul is a profit-maximizing owner whose firm operates in a competitive market.An additional worker costs Paul $200 and has a marginal productivity of 40 canisters of popcorn.Assuming no other variable costs,what is the marginal cost of a popcorn?


A) $200
B) $8
C) $5
D) There is insufficient information available to answer this question.

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

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Over time,carpenters become aware of more attractive employment opportunities outside of carpentry.Does this development affect the demand for carpenters,or does it affect the supply of carpenters?

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The change in altern...

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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 D)
F) C) and D)

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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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A competitive,profit-maximizing pays its workers a wage of $294 per day.The marginal product of the last worker is 35 units of output.What is the firm's marginal cost of producing its last unit of output?

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Using the profit-max...

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Which of the following statements is correct? An individual worker's labor supply curve


A) can never be backward sloping.
B) slopes backward if that person responds to a higher wage by taking fewer hours of leisure per week.
C) slopes backward if that person responds to a higher opportunity cost of leisure by working fewer hours per week.
D) slopes upward if that person works the same number of hours per week,regardless of the opportunity cost of leisure.

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

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A recent flood in the Midwest has destroyed much of the farmland that lies in fertile regions near the rivers.Describe the effect of the flood on the marginal productivity of land,labor,and capital.How would the flood affect the price of inputs? Provide some examples.

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The flood would increase the marginal pr...

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Table 18-1 Table 18-1    -Refer to Table 18-1.What is the marginal product of the third worker? A)  7 B)  8 C)  25 D)  75 -Refer to Table 18-1.What is the marginal product of the third worker?


A) 7
B) 8
C) 25
D) 75

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

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Which of the following statements is correct?


A) The market for capital is unlike the market for labor because the rental price of capital is unaffected by the marginal product of capital,whereas the price of labor is affected by the marginal product of labor.
B) The market for capital is unlike the market for labor because the purchase price of capital is unaffected by the marginal product of capital,whereas the price of labor is affected by the marginal product of labor.
C) The market for capital is like the market for labor because the rental price of capital is affected by the marginal product of capital,and the price of labor is affected by the marginal product of labor.
D) Both a and b are correct.

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

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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.Suppose the firm hires each unit of labor for $700 per week,and each unit of output sells for $9.How many workers will the firm hire to maximize its profit? A)  2 B)  3 C)  4 D)  5 -Refer to Figure 18-1.Suppose the firm hires each unit of labor for $700 per week,and each unit of output sells for $9.How many workers will the firm hire to maximize its profit?


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

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

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The labor supply curve reflects how workers' decisions about the labor-leisure tradeoff respond to changes in the opportunity cost of leisure.

A) True
B) False

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Which of the following statements is correct?


A) The value of the marginal product curve is the labor demand curve for competitive,profit-maximizing firms.
B) A competitive,profit-maximizing firm hires workers up to the point where the value of the marginal product of labor equals the wage.
C) By hiring labor up to the point where the value of the marginal product of labor equals the wage,the firm is producing where price equals marginal cost.
D) All of the above are correct.

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

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If Firm X is a competitive firm in the market for labor,it has little influence over the wage it pays its employees.

A) True
B) False

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Table 18-7 Harold owns a cranberry bog in which he grows cranberries.Harold's farm is a competitive,profit-maximizing firm.Harold's production function is detailed in the table below. Table 18-7 Harold owns a cranberry bog in which he grows cranberries.Harold's farm is a competitive,profit-maximizing firm.Harold's production function is detailed in the table below.    -Refer to Table 18-7.If Harold pays his workers $80 per day and sells his cranberries for $5 per bushel,what is the value of the marginal product of the second worker? A)  $80 B)  $400 C)  $6,400 D)  $32,000 -Refer to Table 18-7.If Harold pays his workers $80 per day and sells his cranberries for $5 per bushel,what is the value of the marginal product of the second worker?


A) $80
B) $400
C) $6,400
D) $32,000

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

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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) All of the above

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Suppose medical research provides evidence that eating bananas provides far greater health benefits than was previously thought.The resulting increase in the demand for bananas


A) increases the marginal product of banana pickers for any given number of banana pickers.
B) increases the value of the marginal product of banana pickers for any given number of banana pickers.
C) increases the supply of banana pickers.
D) All of the above are correct.

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

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Figure 18-7 Figure 18-7   -Refer to Figure 18-7.Assume W<sub>1</sub> = $20 and W<sub>2</sub> = $18,and the market is always in equilibrium.A shift of the labor supply curve from S<sub>1</sub> to S<sub>2</sub> would A)  increase the value of the marginal product of labor by $2. B)  decrease the value of the marginal product of labor by $2. C)  decrease the value of the marginal product of labor by more than $2. D)  not change the value of the marginal product of labor. -Refer to Figure 18-7.Assume W1 = $20 and W2 = $18,and the market is always in equilibrium.A shift of the labor supply curve from S1 to S2 would


A) increase the value of the marginal product of labor by $2.
B) decrease the value of the marginal product of labor by $2.
C) decrease the value of the marginal product of labor by more than $2.
D) not change the value of the marginal product of labor.

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

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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.If the bakery profession becomes less attractive to young women and men because of news reports documenting health risks,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.If the bakery profession becomes less attractive to young women and men because of news reports documenting health risks,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) All of the above
F) A) and B)

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Stock dividends and interest payments are examples of factors of production.

A) True
B) False

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The value of the marginal product of capital can be calculated as the market price of the good multiplied by the marginal product of capital.

A) True
B) False

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