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# 經濟學題目不太 會寫

(我不知道怎麼傳圖片)

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7.

a. Deposits equal bank reserves/(reserve-deposit ratio)=100/0.25=400. The money supply equals currency held by the public + deposits=200+400=600.

b. Let X=currency held by the public=bank reserves. Then the money supply equals X+X/(reserve-deposit ratio), or 500=X+X/0.25=5X, so that X=100. So currency and bank reserves both equal 100.

c. As the money supply is 1250 and the public holds 250 in currency, bank deposits must equal 1000. If bank reserves are 100, the desired reserve-deposit ratio equals 100/1000=0.1.

10. P=MV/Y

a.

P2012=1000×8/12000≒0.667

P2013=1050×8/12000=0.7

Inflation Rate=(P2013−P2012)/P2012=5%

b. (1100×8/12000−1000×8/12000)/(1000×8/12000)=10%

c. (1100×8/12600−1000×8/12000)/(1000×8/12000)≒4.76%

2015-05-11 14:32:34 補充：

http://mysite.avemaria.edu/gmartinez/Courses/ECON2...

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