Keynes was surely correct that only a small part of total spending id decided by the super- iority He was greatly mistaken, however, in seeing this derive as the only source of demands

　　Decisions to spend are also driven by ideas of quality which can influence the den almost all goods, including even basic goods like food. When a couple goes out for an dinner, for example, the thought of feeling superior to others probably never comes to them. The goal is to share a special meal that stands out from other meals.

　　There are no obvious limits to the escalation of demand for quality. For example, Porsche famous car producer, has a model which was considered perhaps the best sport car on the mark Priced at over $120,000,it handles perfectly well and has great speed acceleration. But in 200 the producer introduced some changes which made the model slightly better in handling acceleration. People who really care about cars find these small improvements exciting. To them, however, they must pay almost four times the price.

　　【试题解析】短文第段提到“He thought although relative needs may indeed be insatiable (无止境的) this is not true of absolute”。由此可知，C选项内容与此相符。因此，正确答案为C选项。

　　【难度】一般

　　73. What do we know about the couple in Paragraph 3?

　　A. They want to show their superiority

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