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gwd 5-3 ask for explanation,thanks

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楼主
发表于 2008-1-17 11:25:00 | 只看该作者

gwd 5-3 ask for explanation,thanks

Q3:

The average hourly wage of television assemblers in Vernland has long been significantly lower than that in neighboring Borodia.  Since Borodia dropped all tariffs on Vernlandian televisions three years ago, the number of televisions sold annually in Borodia has not changed.  However, recent statistics show a droip in the number of television assemblers in Borodia.  Therefore, updated trade statistics will probably indicate that the number of televisions Borodia imports annually from Vernland has increased.

 

Which of the following is an assumption on which the argument depends?

  1. The number of television assemblers in Vernland has increased by at least as much as the number of television assemblers in Borodia has decreased.
  2. Televisions assembled in Vernland have features that televisions assembled in Borodia do not have.
  3. The average number of hours it takes a Borodian television assembler to assemble a television has not decreased significantly during the past three years.
  4. The number of televisions assembled annually in Vernland has increased significantly during the past three years.
  5. The difference between the hourly wage of television assemblers in Vernland and the hourly wage of television assemblers in Borodia is likely to decrease in the next few years.

the key is C, really can't understand ,who can give me a thorough explanation?

沙发
发表于 2008-1-17 11:36:00 | 只看该作者
安装工的人数 * 安装工的速度 * 时间 = 电视机的生产总数

原本的推理是,Borodia的安装工人数减少了,所以Borodia生产的电视机总数减少了,而在Borodia卖掉的电视机的数量不变,所以进口的多了

从"Borodia的安装工人数减少了" 到 "Borodia生产的电视机总数减少了",中间需要一个连接,从公式中可以看出,这个连接就是要assume安装工的速度没有提高(也就是C所说的,the hours。。。没有减少)。
板凳
 楼主| 发表于 2008-1-17 11:58:00 | 只看该作者
哦,我有些明白了,还有一点疑问就是前边这些条件The average hourly wage of television assemblers in Vernland has long been significantly lower than that in neighboring Borodia.  Since Borodia dropped all tariffs on Vernlandian televisions three years ago,blahblahblah~~ 尤其是wage与后边的结论有什么关系呢,我还是糊涂?
地板
发表于 2008-1-17 12:11:00 | 只看该作者
个人觉得,那些全都是想混淆你,让你读完题目就自然觉得因为V的工资比B低,降低关税后,B国工人的market share就自然会被V国工人占有 (但是如果B国工人的效率提高了,then it is a different story,所以,要想原来的argument成立,暗含的前提就是B国工人的效率没有提高)。
5#
 楼主| 发表于 2008-1-17 13:00:00 | 只看该作者

sounds really reasonable,,,thank u~~~this cr question is more like a quantitative problem...

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