公民與社會
高中
怎麼看出成本降低，所以cable TV的替代品變多，因為有兩種一種是satellite TV一種是cable TV
8. Satelltte TV isaclose substitute for cable TV. In the 1990
developed that made it less costly for individual conSuIners
Service. Ihis caused the price elastieity of demand for cable TV :
A. becorme more inelastic.
B. become less elastic.
G. become more elastic.
D. shiftt to the leftt.
AnSs: C
Feedback: Goods with more Substitutes have greater price &lasticity (eoause conSsumers can
readily Switch to or away from them 1f their price changes.
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