答案如下
Price elasticity of demand is determined primarily by the:
A) incomes of consumers.
B) size of the consumer surplus.
C) availability of complements.
D) availability of substitutes.
Your answer: D was correct!
Price elasticity of demand indicates the degree of consumer response to variation in price. When good substitutes for a product are available, a price rise induces many consumers to switch to other products.
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发表于 2006-3-29 17:03
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