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求学经济的帮忙解答一道题,宏观经济(英文)

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求学经济的帮忙解答一道题,宏观经济(英文)
You deposit 1000$ in the bank for one year
case 1, inflation=0%, nominal interest rate =5%
case 2, inflation=5%, nominal interest rate= 10%
1) in which case does the real value of your deposit grow the most?
2) assume the tax rate is 25%, in which case do you pay the most taxes? in which case does the real balue of your deposit grow the most?
在线等,明天考试,
1、In case one,the real value is 1000^(1+5%)=1050$;In case two,the real value is(1000^(1+10%)/(1+5%))=1047$.So,in case one,the real value is large.
译作汉语:第一种情况下,实际价值是1050美元;第二种情况下,实际价值是1047美元,显然第一种情况大一些.
2、In case one ,the taxes you shall pay is1000^5%^25^=12.5$,the rael value you will get is 1037.5$;In case two,the taxes you shall pay is 1000^10%^25%/(1+5%)=23.7$,the rael value you will get is1023.3$.It is obvious that in case one ,you get more than case two.
译作汉语:第一种情况下,需要支付的利息税是12.5美元,你的实际所得是1037.5美元;第二种情况下,考虑到通胀因素后实际支付的利息税为23.7美元,你的实际所得是1023.3美元.显然,第一种情况下,存款所得较多.