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Bank depositors in the United States are all financially protected against bank failure because the government insures all individuals' bank deposits.An economist argues that this insurance is partly responsible for the high rate of bank failures, since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure.If depositors were more selective.then banks would need to be secure in order to compete for depositors' money.

Which of he following, if true, most seriously weakens the economist s argument?

正确答案: B

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[讨论]og紫皮46题

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楼主
发表于 2008-4-13 22:28:00 | 只看该作者

[讨论]og紫皮46题

Questions 45--46 are based on the following:
Bank depositors in the United States are all financially protected against bank failure becausethe government insures all individuals’ bank deposits.An economist argues that this insurance ispartly responsible for the high rate of bank failures,since it removes from depositors any financial incentive to find out whether the bank that holds their money is secure against failure.If depositors were more selective,then banks would need to be secure in order to compete for depositors’ money.

46.Which of the following,if true,most seriously weakens the economist's argument?
(A) Before the government started to insure depositors against bank failure,there was a
lower rate of bank failure than there is now.
(B) When the government did not insure deposits,frequent bank failures occurred as a
result of depositors’ fears of losing money in bank failures.
(C) Surveys show that a significant proportion of depositors are aware that their deposits
are insured by the government.
(D) There is an upper limit on the amount of an individual's deposit that the government
will insure,but very few individuals’ deposits exceed this limit.
(E) The security of a bank against failure depends on the percentage of its assets that are
loaned out and also on how much risk its loans involve.

答案是 B。即“当政府不提供存款保障时,存款人对银行破产带来存款损失的恐惧是引起银行破产的原因。”

而题目说是“当政府提供存款保障时,提供存款保障是引起银行破产的原因。”

本题通过否定原有原因(提供存款保障),并引起他因(存款人的恐惧)进行削弱。

我的问题是两个原因是不是没有可比性:一个是“在政府不提供存款保障”的条件下(选项),一个是在“政府提供存款保障”的条件下(提干)。

我认为正确答案应该是“当政府提供存款保障时,存款人对银行破产带来存款损失的恐惧是引起银行破产的原因。”因为我认为正确选项中

当政府不提供存款保障时,存款人对银行破产带来存款损失的恐惧是引起银行破产的原因并不代表当政府提供存款保障时,其还是引起破产的原因。

感觉有点绕,但个人觉得锻炼逻辑挺有用,呵呵,盼回复


[此贴子已经被作者于2008-4-13 22:30:55编辑过]
沙发
发表于 2008-4-13 23:05:00 | 只看该作者

这道题典型的条件削弱

看这个假设的结论是,if 人们变得对这个是否银行对它们存款安全不安全变得很挑剔,那么the bank就会more secure去争取这个D的钱。

那要削弱,只要说IF这个有了,但是银行没有得出这个假设的结果就推翻了。

只有B存在这样,假设政府梅雨INSURE的时候,银行的错误就是由这个人们的害怕对存款的安全。条件有了,但是没有结果,故此推翻!

板凳
 楼主| 发表于 2008-4-14 22:53:00 | 只看该作者

条件削弱的原理是什么?

我看不懂你的解释啊,不过我会再多看几遍,看看能不能理解

地板
 楼主| 发表于 2008-4-14 23:05:00 | 只看该作者

你说的假设是什么?条件又是什么?结论又是什么?好晕

5#
 楼主| 发表于 2008-4-15 22:35:00 | 只看该作者
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 楼主| 发表于 2008-4-16 22:41:00 | 只看该作者
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 楼主| 发表于 2008-4-17 22:33:00 | 只看该作者
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