题目内容

Which of the following is NOT an assumption regarding people's preferences in the theory of consumer behavior?

A. Preferences are complete.
B. Preferences are transitive.
Consumers prefer more of a good to less.
D. All of the above are basic assumptions about consumer preferences.

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If a market basket is changed by adding more of at least one good, then rational consumers will:

A. rank the market basket more highly after the change.
B. more likely prefer a different market basket.
C. rank the market basket as being just as desirable as before.
D. be unable to decide whether the first market basket is preferred to the second or vice versa.
E. have indifference curves that cross.

Suppose that a market basket of two goods is changed by adding more of one of the goods and subtracting one unit of the other. The consumer will:

A. rank the market basket more highly after the change.
B. rank the market basket more highly before the change.
C. rank the market basket just as desirable as before.
D. any one of the above statements may be true.

If indifference curves are concave to the origin, which assumption on preferences is violated?

A. Diminishing marginal rates of substitution
B. Transitivity of preferences
C. More is preferred to less
D. Completeness

Use the following two statements to answer this question: I. Consumer theory can determine whether giving an individual a more preferred basket of goods doubles her overall level of satisfaction, less than doubles her satisfaction, or more than doubles her satisfaction. II. There is not much empirical evidence to support the assumption that higher incomes result in higher levels of satisfaction.

A. Both I and II are true.
B. I is true and II is false.
C. I is false and II is true.
D. Both I and II are false.

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