ECON 1010 Lecture Notes - Lecture 47: Marginal Utility, Indifference Curve, Budget Constraint
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1.
Suppose all consumers are maximizing utility with convex indifference curves. All face the same prices, and are perfectly rational. According to microeconomic models, at the maximization bundle they should
A. All have the same marginal rate of substitution | ||||||||||||||||||||||||||
B. All buy more of the least expensive good | ||||||||||||||||||||||||||
C. All end up with the same bundle of goods | ||||||||||||||||||||||||||
D. All have the same level of satisfaction 2. Consider an indifference map with food on the vertical axis and shelter on the horizontal axis. If a consumer is willing to give up 3 units of food in exchange for 1 unit of shelter and food is priced at $5 per unit and shelter at $10 per unit, then the consumer is:
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Microeconomics Four-part multiple choice question with an explanation. Give a short explanation for each part regarding how your answer is computed or why your answer is correct.
Part A. |
Para mi volunteers at a homeless shelter. It takes a lot of her time, and thus she sometimes takes off time from her job to do the volunteer work. Parami's behavior can be explained by: |
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Ā |
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Part B. |
Indifference curves cannot be concave to the origin because: |
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Ā |
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Part C. |
Marginal utility analysis and indifference curve analysis are both used to: |
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Ā |
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Part D. |
Indifference curves: |
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Ā |
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When deciding consumption levels of more than one good, the utility-maximizing rule states that you are maximizing utility when
the marginal utility o two goods are equal | ||
the marginal utility of two goods are zero | ||
the ratio of marginal utility to price of two goods is zero | ||
the ratio of marginal utility to price for the two goods are equal |
10 points
QUESTION 2
My brother says the law of diminishing marginal utility is nonsense because he is way happier after his sixth beer than after his first one. Pick the best response.
He has a point, maybe this is something behavioral economists should take a look at. | ||
True, but marginal utility refers only to the utility gained (or lost) by drinking that last beer, not to his total utility | ||
There are always exceptions, but in general this law will hold. | ||
True, but the law of diminishing marginal utility is really just saying that eventually he will prefer a glass of wine to another beer. |
10 points
QUESTION 3
Frank spends $75 on 10 magazines and 25 newspapers. The magazines cost $5 each and the newspapers cost $2.50 each. Suppose that his marginal utility from the final magazine is 10 utils while his marginal utility from the final newspaper is also 10 utils. According to the utility-maximizing rule, Frank should:
Reallocate spending from magazines to newspapers | ||
Reallocate spending from newspapers to magazines | ||
Be satisfied because he is already maximizing his total utility | ||
None of the above |
10 points
QUESTION 4
Marginal utility can be:
Positive, negative, or zero | ||
Decreasing but not negative | ||
Positive or negative, but not zero | ||
Positive, but not negative |
10 points
QUESTION 5
In economics, a product provides utility if it:
is useful | ||||||||||||||
violates the law of demand | ||||||||||||||
takes more and more resources to produce successive units of it | ||||||||||||||
satisfies consumer wants Which of the following is true of an indifference curve?
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