第六章测试1.The Canadian metal chair manufacturing market has n = 78 firms. The estimated elasticity of supply is ηo = 3.1, and the estimated elasticity of demand is ε = - 1.1. Assuming that the firms are identical, calculate the elasticity of demand facing a single firm.
A:-275.5 B:324.5 C:-324.5 D:275.5
答案:C
2.If the inverse demand function for toasters is p = 60 - Q, what is the consumer surplus if price is 30?
A:450 B:900 C:150 D:300 4.If a competitive firm maximizes short-run profits by producing some quantity of output, which of the following must be true at that level of output?
A:p > MC B:MR > MC C:p ≥ AVC D:All of the above 5.Assume a consumer has a horizontal demand curve for a product. His consumer surplus from buying the product
A:equals zero B:cannot be calculated C:is maximized D:Need more information
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