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If the total cost of producing 19 wizzbies is $38,000 and the total cost of producing 20 wizzbies is $39,000, the marginal cost of producing the 20th wizzbie is approximately


A) $1,000
B) $2,000
C) $19,000
D) $38,000

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

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Costs which increase with an increase in output are called


A) fixed costs.
B) changeable costs.
C) variable costs.
D) unchangeable costs.

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

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  -Refer to Table 4.2, Box J should be filled with  A) $0. B) $5.67. C) $9.00. D) $17. -Refer to Table 4.2, Box J should be filled with


A) $0.
B) $5.67.
C) $9.00.
D) $17.

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

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When you derive the marginal and average product of labor curve


A) The marginal product of labor cuts the average product labor at the point where the marginal product of labor is at its maximum.
B) The marginal product of labor cuts the average product labor at the point where the average product of labor is at its maximum.
C) The marginal product of labor cuts the average product labor at the point where the marginal product of labor is at its minimum.
D) The marginal product of labor cuts the average product labor at the point where the average product of labor is at its minimum.

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

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Which of the following algebraic expressions is inaccurate


A) TC=TVC+TFC
B) ATC=AFC+AVC
C) MC=ATC-AVC
D) AFC=ATC-AVC

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

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The result that a firm should produce where MC=MR except when the shutdown condition is met is based on the assumption that it is attempting to


A) maximize profit.
B) minimize marginal costs.
C) maximize market share.
D) minimize average costs

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

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Suppose the market price for a price taking firm is known to be $10, the total revenue accruing to it if it sells 100 is ____ and the total revenue accruing to it if it sells 200 is ____.


A) $10, $10
B) $100, $200
C) $1000, $2000
D) $1000, $1000

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

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If the total cost of producing 19 wizzbies is $38,000 and the total cost of producing 20 wizzbies is $39,000, the average total cost of producing the 19th wizzbie is approximately


A) $1,000
B) $2,000
C) $19,000
D) $38,000

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

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Given the production function and total cost function shown in Chapter 4, as production increases, total costs


A) decrease constantly.
B) decrease for a while and then increase.
C) increase constantly.
D) increase for a while and then decrease.

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

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If the market price for a good produced by a price taking firm is $7, the firm's total revenue is


A) a flat line at P=$7.
B) parabolic.
C) downward sloping.
D) an upward sloping line beginning at the origin and having a slope of 7

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

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In order to be drawn correctly the gap between ATC and AVC is


A) Constant.
B) Diminishing until they cross at which point they diverge.
C) Diminishing until they cross at which point they quickly reconverge.
D) Shrinking but they never cross.

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

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When a firm has no competitors, in order to sell more of the good


A) it only need produce more of the good.
B) it must, ironically, increase prices.
C) it must reduce the price it charges.
D) it must keep prices steady.

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

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  -Refer to Table 4.2, Box C should be filled with  A) $0. B) $5 C) $1 D) $2 -Refer to Table 4.2, Box C should be filled with


A) $0.
B) $5
C) $1
D) $2

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

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Suppose you are deciding whether or not to increase production. You are currently making a profit. If you produce one more unit your increase in cost will be $10, your average variable costs will increase to less than that and your average fixed costs will decrease. Finally, your average revenue will increase to $10, but your increase in revenue will be $10. You should


A) Increase production by at least 1 unit.
B) Increase production by exactly 1 unit.
C) Leave production unchanged, profit is maximized where you are.
D) Redo the math associated with decreasing production because that may result in greater profit.

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

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When a firm has many competitors selling the same good, in order to sell more of the good


A) it only need produce more of the good
B) it must, ironically, increase prices
C) it must reduce the price it charges
D) it must advertise

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

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If a firm's marginal cost is greater than its average total cost, its average total cost is


A) increasing.
B) constant.
C) decreasing.
D) not U-shaped.

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

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If MR<MC the firm should produce


A) At this quantity.
B) Fewer than this quantity.
C) More than this quantity.
D) Zero.

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

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  -Refer to Table 4.2, Box B should be filled with  A) $0. B) $10. C) $20. D) $30. -Refer to Table 4.2, Box B should be filled with


A) $0.
B) $10.
C) $20.
D) $30.

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

Correct Answer

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  -Refer to Table 4.1, Box F should be filled with  A) $0. B) $10. C) $100. D) $110. -Refer to Table 4.1, Box F should be filled with


A) $0.
B) $10.
C) $100.
D) $110.

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

Correct Answer

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Average Total Cost is


A) the addition to cost associated with one additional unit of output.
B) the per unit cost of production.
C) the per unit variable cost of production.
D) the per unit fixed cost of production.

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

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