本贴相关题目 OG-2015V-CR-69 | GMATPrep-2007E2-CR-50 (MWWT)

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When people evade income taxes by not declaring taxable income, a vicious cycle results. Tax evasion forces lawmakers to raise income tax rates, which causes the tax burden on nonevading taxpayers to become heavier. This, in turn, encourages even more taxpayers to evade income taxes by hiding taxable income.

The vicious cycle described above could not result unless which of the following were true?

AAn increase in tax rates tends to function as an incentive for taxpayers to try to increase their pretax incomes.
BSome methods for detecting tax evaders, and thus recovering some tax revenue lost through evasion, bring in more than they cost, but their success rate varies from year to year.
CWhen lawmakers establish income tax rates in order to generate a certain level of revenue, they do not allow adequately for revenue that will be lost through evasion.
DNo one who routinely hides some taxable income can be induced by a lowering of tax rates to stop hiding such income unless fines for evaders are raised at the same time.
ETaxpayers do not differ from each other with respect to the rate of taxation that will cause them to evade taxes.

正确答案: C

请教OG（紫皮）---70

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gmatwinky

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发表于 2008-3-31 23:12:00 | 只看该作者

请教OG（紫皮）---70

70 When people evade income taxes by not declaring taxable income, a vicious cycle results. Tas evasion forces lawmakers to raise income tax rates, which causes the tax burden on non-eading taxpayers to become heavier. This, in turn, encourages even more taxpayers to evade income taxes by hiding taxable income.

The vicious cycle described above could not result unless which of the following were true?

(A) An increase in tax rates tends to function as an incentive for taxpayers to try to increase their pretax incomes.

(B) Some methods for detecting tax evaders, and thus recovering some tax revenue lost through evasion, bring in more than they cost, but their success rate varies from year to year.

(C) When lawmakers establish income tax rates in order to generate a certain level of revenue, they do not allow adequately for revenue that will be lost through evasion.

(D) No one who routinely hides some taxable income can be induced by a lowering of tax rates to stop hiding such income unless fines for evaders are raised at the same time.

(E) Taxpayers do not differ from each other with respect to the rate of taxation that will cause them to evade taxes.

答案是： C

可是此题我做了两次，一次选的E，一次选的B（俨然是没有读懂）……请问这道题背后的逻辑是什么呢？应该怎么分析？

谢谢啦：）