YL2023-06-10 23:05:41
YLModule 4-书（2022-L1V2）P216-Example 5-(1) Solution to 1-为什么Durable goods have the most pronounced cyclical behavior 是由于 they have a longer useful life？这个知识点，教材第几页上有写？(2) Solution to 2中的知识点Households adjust consumption of discretionary goods and services based on the perceived permanent income level rather than temporary earning fluctuations. Saving rates and durable goods consumption are more related to the short-term uncertainties caused by recessions. ------> 这个在教材第几页上有写？
回答（1）
Alex2023-06-12 10:03:14
Alex你好同学
（1）
在consumer behaviour图像表格下面那段里
Because durable goods purchases usually replace items with longer useful lives, households usually
postpone such purchases during economic downturns.Therefore, a weakness in
durables spending may be an early indication of general economic weakness, and an
increase in such spending may signal a more general cyclical recovery
（2）这道题可以用排除法
课本原文分别有1-However, spending on durables tends to rise and fall with disposable income, regardless of the source, not just permanent income。耐用品不止与永久收入有关
2-Consumer spending patterns frequently diverge from trends in income, no matter how income is 。measured。 An analysis of the saving rates can assist practitioners in this regard储蓄率多与消费者预期想要花的钱有关，与收入核算方式关系不大。
所以选了B
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