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At the midpoint of a straight-line demand curve, the price elasticity of demand is:
At the midpoint of a straight-line demand curve, the price elasticity of demand is:
A.equal to one.
B.zero.
C.greater than one.
D.less than one.
正确答案：equal to one.
标签：
微观经济学
中国大学MOOC微观经济学
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Suppose the price P on a given demand curve results in a price elasticity of demand equal to 1. Any price higher than P will lie on the _ part of the demand curve, and any price lower than P will lie on the _ part of the demand curve.