Which of the following statements about average and marginal cost is INCORRECT? (2) (1) The marginal cost curve cuts both the average cost and average variable cost curves at their minimum points; (2) The marginal cost curve cuts both the average fixed cost and average variable cost curves at their minimum points; (3) The marginal cost curve lies below the average cost curve when average cost is decreasing; (4) Marginal cost is the change in total cost when one extra unit of output is produced.

Essentials of Economics (MindTap Course List)
8th Edition
ISBN:9781337091992
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter12: The Cost Of Production
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Which of the following statements about average and marginal cost is INCORRECT? (2)
(1) The marginal cost curve cuts both the average cost and average variable cost
curves at their minimum points;
(2) The marginal cost curve cuts both the average fixed cost and average variable
cost curves at their minimum points;
(3) The marginal cost curve lies below the average cost curve when average cost
is decreasing;
(4) Marginal cost is the change in total cost when one extra unit of output is
produced.

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