[单选] If muffins and bagels are substitutes, a higher price for bagels would result in a(n)
A. increase in the demand for bagels.
B. decrease in the demand for bagels.
C. increase in the demand for muffins.
D. decrease in the demand for muffins.
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[单选] A decrease in quantity demanded
A. results in a movement downward and to the right along a demand curve.
B. results in a movement upward and to the left along a demand curve.
C. shifts the demand curve to the left.
D. shifts the demand curve to the right.
[单选] Nemo rents 5 movies per month when the price is $3.00 per rental and 7 movies per month when the price is $2.50 per rental. Nemo’s demand demonstrates the law of
A. price.
B. supply.
C. demand.
D. income.
[单选] Which of the following would not shift the demand curve for mp3 players?
A. a decrease in the price of mp3 players
B. a fad that makes mp3 players more popular among 12-25 year olds
C. an increase in the price of digital music downloads, a complement for mp3 players
D. a decrease in the price of satellite radio, a substitute for mp3 players
[单选]你失业了,因此你购买的iTunes音乐下载量减少了。这表明您认为 iTunes 音乐下载是一个(n)
A. 豪华好。
B. 劣质。
C. 一般的好。
D. 互补品。
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