试题与答案

假设某类住宅的价格从3000元/m2下降到2800元/m2,其需求量从900套上升到

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题目:

假设某类住宅的价格从3000元/m2下降到2800元/m2,其需求量从900套上升到1000套,则用中点法计算的该类住宅需求的价格弹性为( )。

A.-1.33

B.-0.66

C.0.66

D.1.53

答案:

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