问一道题：NO.PZ2018091706000008

NO.PZ2018091706000008问题如下 the company’s morning meeting, analyst A state: Accorng to J-curve, if the currenof the country X preciation will cause exports to become more competitive, so will immeately increase the exports ancrease the imports.The manager responanalyst: I n’t think so.Whiof the following statements is most likely correct? A.Neither of them make mistake.B.Manager’s responis mistake.C.Analyst’s state is mistake.C is correct.考点flow mechanism.解析这道题的考点是flow mechanism, 本币有贬值，进口商品更贵，出口商品更便宜，这导致出口增加以促使经常账户赤字回归平衡状态。但是由于time lag的作用（例如，短期出口商品因为合同等文书相关限制，无法短时间内改变出口数量。更便宜价格单没有更多销量带动），本币贬值不会马上体现在出口数量上。如题。老师，请问什么是 j curve，谢谢

NO.PZ2018091706000008 问题如下 the company’s morning meeting, analyst A state: Accorng to J-curve, if the currenof the country X preciation will cause exports to become more competitive, so will immeately increase the exports ancrease the imports.The manager responanalyst: I n’t think so.Whiof the following statements is most likely correct? A.Neither of them make mistake. B.Manager’s responis mistake. C.Analyst’s state is mistake. C is correct.考点flow mechanism.解析这道题的考点是flow mechanism, 本币有贬值，进口商品更贵，出口商品更便宜，这导致出口增加以促使经常账户赤字回归平衡状态。但是由于time lag的作用（例如，短期出口商品因为合同等文书相关限制，无法短时间内改变出口数量。更便宜价格单没有更多销量带动），本币贬值不会马上体现在出口数量上。 贸易合同签订，固定了价格和数量，换言之是价、量都不变，合同里的“价”约定的是“收外币”，若本币贬值，那销售额（=价*量），因为换来的本币更多了是不是应该增加？