A、五年前人们喜欢穿A外套,并不表示现在人们还会穿A外套。这五年人们的穿衣喜好会改变,或者已习惯去其他外套。竞争者不生产可能从侧面说明该外套已不再受欢迎。
B、其他面料涨价了,A面料不一定涨。如果A面料也涨了,消费者也未必愿意付更高的钱购买A外套。
C、即使消费者愿意花费更高的价钱购买A外套,该公司也未必能够盈利。经济学常识,利润等于营业额减去成本。生产成本,5年为在市面上出现,需要很大的成本来建立品牌。
22.The following appeared in a memo from the president of a company that builds and sells new homes in Steel City.
Over the past five years, the population of Steel City has increased by more than 20 percent, and family incomes in Steel City have risen much faster than the national average. Nationwide, sales of houses priced above $150,000 have increased more than have sales of lower-priced houses. Such data indicate that we should make changes in our business to increase company profits. First, we should build fewer low-priced houses than we did last year and focus instead on building houses designed to sell at above $150,000. Second, we should hire additional workers so that we can build a larger total number of houses than we did last year.
A、调查类错误。怀疑该全国调查样本选择的随机性。如果不随机,则调查结果不具有参考价值。即使该调查取样随机,也是过去5年,并不表示现在以及今后也能如此。
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