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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 10 units per week, then the marginal cost of producing an additional unit of output is


A) $7.
B) $70.
C) $700.
D) We do not have enough information to answer this question.

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

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Figure 18-9 Figure 18-9   -Refer to Figure 18-9. If the price of apples increases, the A) demand for apple pickers will shift to the left. B) demand for apple pickers will shift to the right. C) supply of apple pickers will shift to the left. D) supply of apple pickers will shift to the right. -Refer to Figure 18-9. If the price of apples increases, the


A) demand for apple pickers will shift to the left.
B) demand for apple pickers will shift to the right.
C) supply of apple pickers will shift to the left.
D) supply of apple pickers will shift to the right.

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

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Your college roommate receives a pay raise at her part-time job from $9 to $11 per hour. She used to work 10 hours per week, but now she decides to work 15 hours per week. For this price range, her labor supply curve is


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

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

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When we focus on labor as an input in the production process, we typically draw the production function by measuring the


A) quantity of labor on the horizontal axis and the quantity of output on the vertical axis.
B) quantity of labor on the horizontal axis and the marginal product of labor on the vertical axis.
C) quantity of labor on the horizontal axis and the value of the marginal product of labor on the vertical axis.
D) value of the marginal product of labor on the horizontal axis and the quantity of output on the vertical axis.

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

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Suppose an increase in the demand for labor results in an increase of $4 per hour in the equilibrium wage. How does the increase in the demand for labor affect the value of the marginal product of labor (VMPL) ?


A) The VMPL increases by less than $4.
B) The VMPL increases by $4.
C) The VMPL increases by more than $4.
D) The VMPL decreases by $4.

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

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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) All of the above

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Which of the following events can cause the labor-supply curve to shift?


A) an increase in the wage rate
B) an increase in the price of output
C) an increase in the rate of immigration
D) a technological advance

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

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Total income in the United States is comprised of


A) wages only.
B) wages and fringe benefits only.
C) rents, profits, and interest payments only.
D) wages, fringe benefits, rents, profits, and interest payments.

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

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Describe the difference between the purchase price of capital and the rental price of capital. If you know the value of marginal product from the flow of capital services, how would you determine the market price for the capital stock?

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The purchase price of capital is a refle...

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A profit-maximizing competitive firm will hire workers up to the point at which the wage equals the price of the final good multiplied by the marginal product of the last worker hired.

A) True
B) False

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Figure 18-7 Figure 18-7   -Refer to Figure 18-7. Which of the following would shift the labor supply curve from S<sub>1</sub> to S<sub>2</sub>? A) technological progress B) a decrease in the price of the firm's output C) a change in workers' attitudes toward the work-leisure tradeoff D) an increase in the price of the firm's output -Refer to Figure 18-7. Which of the following would shift the labor supply curve from S1 to S2?


A) technological progress
B) a decrease in the price of the firm's output
C) a change in workers' attitudes toward the work-leisure tradeoff
D) an increase in the price of the firm's output

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

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Figure 18-7 Figure 18-7   -Refer to Figure 18-7. Which of the following would shift the labor supply curve from S<sub>1</sub> to S<sub>2</sub>? A) a change in workers' attitudes toward the work-leisure tradeoff B) decreases in wages in other labor markets C) immigration of workers into the region or country D) All of the above are correct. -Refer to Figure 18-7. Which of the following would shift the labor supply curve from S1 to S2?


A) a change in workers' attitudes toward the work-leisure tradeoff
B) decreases in wages in other labor markets
C) immigration of workers into the region or country
D) All of the above are correct.

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

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Competitive firms that maximize profits will hire workers until the value of the marginal product of labor


A) equals the wage.
B) equals the price of the final good.
C) begins to fall.
D) begins to rise.

E) A) and C)
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 35 units per week, then the marginal cost of producing an additional unit of output is


A) $20.
B) $35.
C) $700.
D) We do not have enough information to answer this question.

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

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Table 18-8 Harold and Maude own a dance studio where they and their employees teach ballroom dancing. Their company is a competitive, profit-maximizing firm. Harold and Maude's production function is detailed in the table below. Table 18-8 Harold and Maude own a dance studio where they and their employees teach ballroom dancing. Their company is a competitive, profit-maximizing firm. Harold and Maude's production function is detailed in the table below.   -Refer to Table 18-8. If Harold and Maude pay their workers $80 per day and charge $20 per dance lesson, what is the value of the marginal product of the second worker? A) $400 B) $800 C) $1,600 D) $4,800 -Refer to Table 18-8. If Harold and Maude pay their workers $80 per day and charge $20 per dance lesson, what is the value of the marginal product of the second worker?


A) $400
B) $800
C) $1,600
D) $4,800

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

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Figure 18-4 The graph below illustrates the market for nurses who work in doctors' offices. Figure 18-4 The graph below illustrates the market for nurses who work in doctors' offices.   -Refer to Figure 18-4. Each August many high school and college students visit a doctor's office to have a sports physical. If the price of sports physicals falls, what happens in the market for nurses? 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 18-4. Each August many high school and college students visit a doctor's office to have a sports physical. If the price of sports physicals falls, what happens in the market for nurses?


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

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Scenario 18-4 In 1997, Albania experienced a civil war. The civil unrest sent thousands of refugees across the Adriatic Sea to Italy where they sought relief from the fighting. -Refer to Scenario 18-4. The Italian government started to patrol the Adriatic Sea and had a policy of returning all refugees to Albania. This policy would contribute to


A) an increase in the supply of labor in Italy.
B) an increase in the demand labor in Italy.
C) a decrease in the demand for labor in Italy.
D) preventing an increase in the supply of labor in Italy.

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

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Table 18-A Table 18-A   -Refer to Table 18-A. The price of output is A) $5. B) $3. C) $2. D) $1. -Refer to Table 18-A. The price of output is


A) $5.
B) $3.
C) $2.
D) $1.

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

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Among the people who are characterized below, who has the highest opportunity cost of leisure?


A) an attorney who earns $200 per hour and who plays golf during her leisure time
B) a medical doctor who earns $210 per hour and who sleeps during his leisure time
C) a retail clerk who earns $15 per hour and who watches TV during her leisure time
D) a waiter who earns $12 per hour and who reads poetry during his leisure time

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

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