宏观经济学部分习题讲解

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1、宏观经济学部分习题讲解10.5a.CalculatingnominalGDP:2001:(SIperqt.ofmilkx100qts.milk)+($2perqt.ofhoneyx50qts.honey)=$2002002:($1perqt.ofmilkx200qts.milk)+($2perqt.ofhoneyx100qts.honey)=$4002003:($2perqt.ofmilkx200qts.milk)+($4perqt.ofhoneyx100qts.honey)=$80()CalculatingrealGDP(ba

2、seyeai2001):2001:(SIperqt.ofmilkx100qts.milk)+($2perqt.ofhoneyx50qts.honey)=$2002002:($1perqt.ofmilkx200qts.milk)+($2perqt.ofhoneyx100qts.honey)=$4002003:($1perqt.ofmilkx200qts.milk)+($2perqt.ofhoneyx100qts.honey)=$400Calculating(heGDPdeflator:20()1:($200/$2()0)x10()

3、=10()2002:($400/$400)x100=1002003:($800/$400)x100=200b.CalculatingHiepercemagechangeinnominalGDP:PercentagechangeinnominalGDPin2002=[($400-$200)/$200]x10()=100%.PercentagechangeinnominalGDPin2003=[($800-$400)/$400]x100=100%.CalculatingthepercentagechangeinrealGDP:Per

4、centagechangeinrealGDPin2002=[($400-$200)/$200]x100=100%.PercentagechangeinrealGDPin2003=[($400-$400)/$400]x100=0%.Calculating(hepercentagechangeinGDPdeflator:PercentagechangeintheGDPdeflatorin2002=[(10()・100)/100]x100=0%.PercentagechangeintheGDPdeflatorin2003=[(200-

5、100)/100]x100=100%.Pricesdidnotchangefrom2001to2002.Thus,thepercentagechangeintheGDPdeflatoriszero.Likewise,outputlevelsdidnotchangefrom2002to2003.ThismeansthatthepercentagechangeinrealGDPiszero.c.Economicwell-beingrosemorein2002thanin2003,sincerealGDProsein2002butno

6、tin2003.In2002,realGDProseandpricesdidn't.In2003,realGDPdidn'triseandpricesdid.10.9a.GDPequalsthedollaramountBarrycollects,whichis$40().b.NNP=GDP-depreciation=$400-$50=$350.c.Nationalincome=NNP-salestaxes=$350-$30=$320.d・Personalincome=nationalincome-retainedearnings

7、=$320・$100=$220.e.Disposablepersonalincome=personalincome-personalincometax=$220・$70=$150.11.1a.Thepriceoftennisballsincreases0percent;thepriceoftennisracquetsincreases50percent[=($60-$40)/$40x100%J;thepriceofGatoradeincreases100percent[=($2-$!)/$!x1()()%1.Tofindthep

8、ercentagechangeintheoverallpricelevel,followthesesteps:1)Determinethefixedbasketofgoods:100balls,10racquets,200Gatorades2)Findthepr