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When average variable costs are rising,


A) marginal physical product is also rising.
B) marginal costs is falling.
C) average physical product is rising.
D) average physical product is falling.

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

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When total product is increasing at an increasing rate,marginal product is


A) positive and increasing.
B) positive and decreasing.
C) constant.
D) negative.

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

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Which of the following statements is correct?


A) TC = TFC + TVC
B) TC = average product + marginal product
C) TC = TFC - TVC
D) TC = average physical product - marginal physical product

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

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Which of the following would be a fixed input for an amusement park?


A) Ticket takers
B) Unpopped popcorn
C) Concession workers
D) The roller coaster

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

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How is the long-run average cost curve found? What is its importance to the firm?

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The long-run average cost curve is the l...

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"Diminishing marginal product is a basic law because new workers are always less qualified than the existing workers." Do you agree or disagree? Explain.

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Disagree.Diminishing marginal product oc...

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Total product divided by the variable input is


A) average total cost.
B) marginal cost.
C) average physical product.
D) marginal physical product.

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

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Total product will start to decrease


A) at the quantity where the law of diminishing returns starts.
B) when average physical product decreases.
C) when marginal physical product increases.
D) when marginal physical product becomes negative.

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

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Recently Apple Computer developed Apple's new iTunes Music Store,which offers more than 200,000 songs from five major record labels,for use with Apple's iPod and iMac.More than a million songs were downloaded the first week alone! In economic terms,CEO Steve Jobs helped convert capital and labor inputs into products consumers use.Any activity that results in the conversion of resources into products that can be used in consumption is


A) not profitable.
B) a start up venture.
C) demand.
D) production.

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

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The relationship between inputs and outputs is known as


A) business.
B) manufacturing.
C) a production function.
D) marginal product.

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

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The best way to think of the short run and the long run is as


A) specific periods of time,although the time periods may differ across industries.
B) planning terms that apply to managers.
C) concepts that apply to all people who work for a firm.
D) a concept that only accountants are concerned with.

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

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When the average physical product is falling,


A) average variable costs are rising.
B) average fixed costs are rising.
C) total costs are falling.
D) average variable costs are falling.

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

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A firm has the following production relationship between labor and output,for a fixed capital stock.  Labor  Output 0015211318423526\begin{array} { c r } \hline\text { Labor } & \text { Output } \\\hline0 & 0 \\1 & 5 \\2 & 11 \\3 & 18 \\4 & 23 \\5 & 26\\\hline\end{array} -According to the above table,what is the average product of labor when five laborers are employed?


A) 3
B) 5.2
C) 5.75
D) 6

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

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 Input of Labor  (no. of workers  in weeks)   Total Product  (no. of snowboards  produced)  00130268311041405135\begin{array} { c c } \begin{array} { c } \text { Input of Labor } \\\text { (no. of workers } \\\text { in weeks) }\end{array} & \begin{array} { c } \text { Total Product } \\\text { (no. of snowboards } \\\text { produced) }\end{array} \\\hline 0 & 0 \\1 & 30 \\2 & 68 \\3 & 110 \\4 & 140 \\5 & 135 \\\hline\end{array} -In the above table,average physical product is 30 snowboards when


A) 4 workers are employed.
B) 3 workers are employed.
C) 2 workers are employed.
D) 1 worker is employed.

E) None of the above
F) All of the above

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"In the short run,a firm cannot change any of its inputs." Do you agree or disagree? Explain.

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Disagree.The short run is a pe...

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  -Refer to the above figure.Average variable costs are represented by curve A) 1. B) 2. C) 3. D) 4. -Refer to the above figure.Average variable costs are represented by curve


A) 1.
B) 2.
C) 3.
D) 4.

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

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The typical cost curves are U-shaped due to the


A) law of diminishing marginal utility.
B) law of supply.
C) law of demand.
D) law of diminishing marginal product.

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

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 Total Output  Total Costs 0$101182213234245266297338389441051\begin{array} { c c } \text { Total Output } & \text { Total Costs } \\\hline 0 & \$ 10 \\1 & 18 \\2 & 21 \\3 & 23 \\4 & 24 \\5 & 26 \\6 & 29 \\7 & 33 \\8 & 38 \\9 & 44 \\10 & 51\end{array} -In the above table,when output is 8 units,average total costs are


A) $4.75.
B) $3.50.
C) $38.
D) $28.

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

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The time period during which a firm's capital is fixed but its labor is variable is called


A) the planning horizon.
B) the short run.
C) the long run.
D) the very long run.

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

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What is the difference between average variable costs and average total costs?

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Average total costs equal average variab...

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