单项选择题

If price elasticity of demand is 2.0, this implies that consumers would ( )

A.buy twice as much of the good if price falls by 10 percent.
B.require a 2 percent cut in price to raise quantity demanded of the good by 1 percent.
C.buy 2 percent more of the good in response to a 1 percent cut in price.
D.require at least a $2 increase in price before showing any response to the price increase.
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