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【简答题】
假定某消费者的需求价格弹性 Ep =1.3 ,需求收入弹性 Em =2.2 。求: ( 1 )在其他条件不变的情况下,商品价格下降 2 %对需求数量的影响; ( 2 )在其他条件不变的情况下,消费者收入提高 5 %对需求数量的影响。
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举一反三
【简答题】A．Because of the possibility of bad weather. B．Because of the faculty's contracts. C．Because of the summer schedule of classes. D．Because of the date for graduation.
【单选题】The minister of foreign affairs made a statement______he has excluded the possibility of being involved in the Gulf conflicts.
A.
which
B.
whether
C.
what
D.
where
【简答题】A．Because of the possibility of bad weather. B．Because of the faculty's contracts. C．Because of the summer schedule of classes. D．Because of the date for graduation.
【简答题】A．Because of the possibility of bad weather. B．Because of the faculty's contracts. C．Because of the summer schedule of classes. D．Because of the graduation date.
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