需求的价格弧弹性公式中,为了避免两点之间弧弹性不同的计算结果,一般通常取两点价格和需求量的平均值来代替P值和Q值()
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需求价格弹性有弧弹性和点弹性两种()
A. 对
B. 错
需求价格弹性是指需求量对成本变动的反应程度()
A. 对
B. 错
Zheng decided to fly to London and stay there for one year.
A. 对
B. 错
Zheng wanted to prove that a person can still fulfill his dream even though he doesn't have much money.
A. 对
B. 错
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