Suppose that the prices of good A and good B were to suddenly double. If good A is plotted along the horizontal axis,
A. the budget line will become steeper.
B. the budget line will become flatter.
C. the slope of the budget line will not change.
D. the slope of the budget line will change, but in an indeterminate way.
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A consumer maximizes satisfaction at the point where his valuation of good X, measured as the amount of good Y he would willingly give up to obtain an additional unit of X, equals:
A. the magnitude of the slope of the indifference curve through that point.
B. one over the magnitude of the slope of the indifference curve through that point.
C. Px/Py
D. Py/Px
An individual consumes only two goods, X and Y. Which of the following expressions represents the utility maximizing market basket?
A. MRSxy is at a maximum.
B. Px/Py = money income.
C. MRSxy = money income.
D. MRSxy = Px/Py.
E. all of the above
When Joe maximizes utility, he finds that his MRS of X for Y is greater than Px/Py. It is most likely that:
A. Joe's preferences are incomplete.
B. Joe's preferences are irrational.
C. Joe is not consuming good X.
D. Joe is not consuming good Y.
最稳定的家庭类型是
A. 联合家庭
B. 单亲家庭
C. 核心家庭
D. 主干家庭
E. 旁系家庭
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