5. Suppose that every extra cookie increases Abe's utility by four units. Which of the following must be true? A. Abe's marginal utility of cookies is zero. B. Abe's marginal utility of cookies is increasing. C. Abe's marginal utility of cookies is diminishing. D. Abe's marginal utility of cookies is positive.

Essentials of Economics (MindTap Course List)
8th Edition
ISBN:9781337091992
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter13: Firms In Competitive Markets
Section: Chapter Questions
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5. Suppose that every extra cookie increases Abe's utility by four units. Which of the following must be
true?
A. Abe's marginal utility of cookies is zero.
B. Abe's marginal utility of cookies is increasing.
C. Abe's marginal utility of cookies is diminishing.
D. Abe's marginal utility of cookies is positive.
6. For a perfectly competitive firm, which of the following statenment is wrong?
A. It enjoys 0 profit in the long run
B. It is a price taker
C. It operates at PMC
D. All of the above statements are wrong
7. A firm has production function q = K²L2+ L, this firm exhibits
A. increasing return to scale
B. decreasing return to scale
C. constant return to scale
D. depends on the amount of capital and labor
Transcribed Image Text:5. Suppose that every extra cookie increases Abe's utility by four units. Which of the following must be true? A. Abe's marginal utility of cookies is zero. B. Abe's marginal utility of cookies is increasing. C. Abe's marginal utility of cookies is diminishing. D. Abe's marginal utility of cookies is positive. 6. For a perfectly competitive firm, which of the following statenment is wrong? A. It enjoys 0 profit in the long run B. It is a price taker C. It operates at PMC D. All of the above statements are wrong 7. A firm has production function q = K²L2+ L, this firm exhibits A. increasing return to scale B. decreasing return to scale C. constant return to scale D. depends on the amount of capital and labor
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