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When a firm's marginal cost is rising, we know that
marginal product must be falling.
0%
average fixed cost must be rising.
0%
average variable cost must be rising.
0%
marginal product must be zero.
0%
average total cost must be rising.
0%
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Which of the following measures of cost is best described as “the increase in total cost that arises from an extra unit of production”?
None of the above.
❌
variable cost
❌
average total cost
❌
marginal cost
✅
average variable cost
❌
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Which one of the following statements about the implicit rental rate of capital is true?
It is the market value of capital.
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It is the opportunity cost to a firm of using its own capital.
0%
It includes normal profit.
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It is the depreciated value of capital.
0%
It is the amount paid for the use of land or buildings.
0%
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How is average total cost (ATC) calculated?
ATC = Total cost ÷ Quantity of output
0%
None of the above.
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ATC = (Change in total cost) ÷ (Change in quantity of input)
0%
ATC = Total cost ÷ Quantity of input
0%
ATC = (Change in total cost) ÷ (Change in quantity of output)
0%
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Given an upward-sloping, straight line total variable cost curve, what does the marginal cost curve look like?
a downward-sloping straight line
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a vertical line
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an upward-sloping straight line
❌
a horizontal line
0%
a U-shaped curve
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The difference in the market value of a new van owned by a firm and the market value of the same van one year later is
physical deterioration.
❌
conventional depreciation.
❌
physical depreciation.
❌
economic deterioration.
❌
economic depreciation.
✅
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Average total cost
both c and d
❌
increases if marginal cost is greater than average total cost.
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increases if marginal cost is increasing.
0%
increases as output increases.
0%
decreases as output increases.
0%
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Flora's Flowers bought a new van last year for $10,000. It can now sell the van for $8,500. To buy this year's model of the same van it would have to pay $11,000. What is the one-year amount of economic depreciation?
$2,500
50%
$1,000
0%
$10,000
0%
$1,500
50%
$3,500
0%
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For a certain firm, the number of workers hired is the only variable input. When this firm’s production function is illustrated on a graph, what is measured on the axes?
The number of workers is measured on the horizontal axis, and profit is measured on the vertical axis.
0%
None of the above.
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The number of workers is measured on the horizontal axis, and the quantity of output is measured on the vertical axis.
100%
The number of workers is measured on the horizontal axis, and variable cost is measured on the vertical axis.
0%
The number of workers is measured on the horizontal axis, and total cost is measured on the vertical axis.
0%
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What is one of the most important properties of cost curves?
None of the above.
❌
For most producers, the average-total-cost curve never crosses the marginal cost curve.
❌
The average-fixed-cost curve must eventually rise.
❌
The marginal-cost curve eventually rises with the quantity of output.
✅
The average-total-cost curve first rises, then falls with increased output.
❌
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