布兰查德课后习题答案113章毕博doc.docx
- 文档编号:26194344
- 上传时间:2023-06-17
- 格式:DOCX
- 页数:15
- 大小:22.20KB
布兰查德课后习题答案113章毕博doc.docx
《布兰查德课后习题答案113章毕博doc.docx》由会员分享,可在线阅读,更多相关《布兰查德课后习题答案113章毕博doc.docx(15页珍藏版)》请在冰豆网上搜索。
布兰查德课后习题答案113章毕博doc
第1-13章课后习题答案(布兰查德)
第一章世界之旅pl4
a.True.
b.True/Uncertain.Stockpricescertainlyfellaroundtheworldinthecrisis.Emergingmarketstockpricesmostlyrecoveredasof2010,stockpricesintheUnitedStatesandotheradvancedcompanieshadnotreachedtheirpre-crisislevelsasof2012.
c.False.
d.False.Thereareproblemswiththestatistics,buttheconsensusisthatgrowthinChinahasbeenhigh.
e.False.Europeanunemploymentrateshavebeenhigherforseveraldecades.
f.True.
g.True.
h.False
a.14.7(1.026)=5.8(1.105/
t=/n(14.7€.8)/[/r?
(l.10^1.026)]
t=12.53yrs
Thisanswercanbeconfirmedwithaspreadsheet,forstudentsunfamiliarwiththeuseoflogarithms.
b.No.Atcurrentgrowthrates,ChineseoutputwillexceedU.S.outputwithin31years,butChinese
outputperperson(theChinesestandardofliving)willstillbelessthanU.S.outputperperson.
c.Chinahasincreasedtheamountofcapitalperperson.ThisispossibleintheUnitedStates.ChinahasimportedalotoftechnologyfromtheUnitedStatesandothercountries.ThisismoredifficulttodointheUnitedStatessincethenumberoftechnologiesavailablefortheUnitedStatestoimportthattheydonotalreadyhaveisfewer.
d.Chinadoesprovideamodelforotherdevelopingcountries.
第二章本书之旅p38
第1题
a.True/Uncertain.RealGDPincreasedbyafactorof5;nominalGDPincreasedbya
factorof28.WeusuallythinkofGDPinrealterms
b.False.
c.True.
d.False.TheleveloftheCPImeansnothing.TherateofchangeoftheCPIisonemeasureofinflation.
e.Uncertain.Whichindexisbetterdependsonwhatwearetryingtomeasure—inflationfacedbyconsumersorbytheeconomyasawhole.
f.True
g.True
h.False
i.False.ThePhillipscurveisarelationbetweenthechangeininflationandthelevelofunemployment.
第4题
a.2005GDP:
10($2z000)+4($l,000)+1000($l)=$25,000
2006GDP:
12($3,000)+6($500)+1000($l)=$40,000NominalGDPhasincreasedby60%.
b.2005real(2005)GDP:
$25,000
2006real(2005)GDP:
12($2,000)+6($lz000)+1000($l)=$31,000
Real(2006)GDPhasincreasedby24%.
c.2005real(2006)GDP:
10($3,000)+4($500)+l,000($l)=$33,000
2006real(2006)GDP:
$40,000.
Real(2006)GDPhasincreasedby21.2%.
d.TheanswersmeasurerealGDPgrowthindifferentunits.Neitheranswerisincorrect,justasmeasurementininchesisnotmoreorlesscorrectthanmeasurementincentimeters.
第5题
a.2005baseyear:
b.Deflator(2005)=l;Deflator(2006)=$40,000/$31,000=1.29lnflation=29%
c.2006baseyear:
Deflator(2005)=$25,000/$33,000=0.76;Deflator(2006)=l
lnflation=(l-0.76)/0.76=.32=32%
d.Analogousto4d.
第6题
a.2005realGDP=10($2,500)+4($750)+1000($l)=$29,000
2006realGDP=12($2,500)+6($750)+1000($l)=$35,500
b.(35,500-29,000)/29,000=.224=22.4%
c.Deflatorin2005=$25,000/$29,000=.86
Deflatorin2006=$40,000/$35z500=1.13
Inflation=(1.13-.86)/.86=.31=31%.
a.Yes,seeappendixforfurtherdiscussion.
第三章商品市场p64
a.True.
b.False.Governmentspendingexcludingtransferswas20.4%ofGDP.
c.False.Thepropensitytoconsumemustbelessthanoneforourmodeltomakesense.
d.True.
e.False.
f.False.Theincreaseinequilibriumoutputisonetimesthemultiplier.
g.False.
a.Outputwillfall.
b.Sinceoutputfalls,investmentwillalsofall.Publicsavingwillnotchange.Private
savingwillfall,sinceinvestmentfalls,andinvestmentequalssaving.Sinceoutputandconsumerconfidencefall,consumptionwillalsofall.
c.Output,investment,andprivatesavingwouldhaverisen.
d.Clearlythislogicisfaulty.Whenoutputislow,whatisneededisanattemptby
consumerstospendmore.Thiswillleadtoanincreaseinoutput,andtherefore—somewhatparadoxically—toanincreaseinprivatesaving.Note,however,
thatwithalinearconsumptionfunction,theprivatesavingrate(privatesavingdividedbyoutput)willfallwhenc0rises.
第四章金融市场p86
a.False.
b.False.
c.False.Moneydemanddescribestheportfoliodecisiontoholdwealthintheformof
moneyratherthanintheformofbonds.Theinterestrateonbondsisrelevanttothisdecision.
d.True.
e.False.
f.False.
g.True.
h.True.
a.8°=50,000-60,000(.35-i)
Iftheinterestrateincreasesby10percentagepoints,bonddemandincreasesby$6,000.
b.Anincreaseinwealthincreasesbonddemand,buthasnoeffectonmoneydemand,which
dependsonincome(aproxyfortransactionsdemand).
c.Anincreaseinincomeincreasesmoneydemand,butdecreasesbonddemand,sinceweimplicitlyholdwealthconstant.
d.Firstofall,theuseof"money"inthisstatementiscolloquial."Income"shouldbesubstitutedfor"money."Second,whenpeopleearnmoreincome,theirwealthdoesnotchangerightaway.Thus,theyincreasetheirdemandformoneyanddecreasetheirdemandforbonds.
a.Allmoneyisincheckingaccounts,sodemandforcentralbankmoneyequalsdemandforreserves.Therefore,demandforcentralbankmoney=0.1($Y)(.8-4/).
b.$1000=0.1($5,000B)(.8-4/)
上15%
c.Sincethepublicholdsnocurrency,moneymultiplier=1/reserveratio=M=(10)$1000=$l,0000
M=Mdattheinterestderivedinpart(b).
d.IfHincreasesto$300Btheinterestratefallsto5%.
e.Theinterestratefallsto5%,sincewhenHequals$3000,M=(10)$300B=$3,0000.
a.True.
b.True.
c.False.
d.
e.False.
f.
第五章商品市场和金融市场pl07
False.Thebalancedbudgetmultiplierispositive(itequalsone),sotheIScurveshiftsright.
Uncertain.Anincreaseingovernmentspendingleadstoanincreaseinoutput(whichtendstoincreaseinvestment),butalsotoanincreaseintheinterestrate(whichtendstoreduceinvestment).
g.True.
a.y=C+/+G=200+.25(r-200)+150+.25M000/+250
01100-2000,
b.M/P=1600=2r-8000/
/=W00-1/5
c.Substitutingfrompart(b)intopart(a)givesX=1000.
d.Substitutingfrompart(c)intopart(b)gives/=5%.
e.C=400;/=350;G=250;C+/+G=1000
f./=1040;/=3%;C=410;/=380.Amonetaryexpansionreducestheinterestrateandincreasesoutput.Consumptionincreasesbecauseoutputincreases.Investmentincreasesbecauseoutputincreasesandtheinterestratedecreases.
g./=1200;/=10%;C=450;/=350.Afiscalexpansionincreasesoutputandtheinterestrate.Consumptionincreasesbecauseoutputincreases.Investmentisaffectedintwoways:
theincreaseinoutputtendstoincreaseinvestment,andtheincreaseintheinterestratetendstoreduceinvestment.Inthisexample,thesetwoeffectsexactlyoffsetoneanother,andinvestmentdoesnotchange.
第六章劳动力市场pl32
第1题
a.False.Theparticipationratehasincreasedovertime.
b.False.
c.False.
d.True.
e.False.
f.Uncertain/False.Thedegreeofbargainingpowerdependsonthenatureofthejoband
theemployee'sskills.
g.True.
h.False.
a.W/P=l/(l+|i)=V1.05=0.952
b.Wagesetting:
u=l-W/P=l-0.952=4.8%
c.W/P=l/l・l=・91;u=l-.91=9%.Theincreaseinthemarkuplowerstherealwage.Algebraically,fromthewage-settingequation,theunemploymentratemustrisefortherealwagetofall.Sothenaturalrateincreases.Intuitively,anincreaseinthemarkupimpliesmoremarketpowerforfirms,andthereforelessproduction,sincefirmswillusetheirmarketpowertoincreasethepriceofgoodsbyreducingsupply.Lessproductionimplieslessdemandforlabor,sothenaturalraterises.
第七章所有市场集中:
AS-AD曲线pl60
a.True.
b.True.IntheASrelation,ifP=Pe/Y=Yn.NotethatPemustbeknowntographtheAScurve.
c.False.TheADcurveslopesdownbecauseanincreaseinPleadstoafallinM/P,sothe
nominalinterestrateincreases,and/andYfall.
d.False.Therearechangesinautonomousexpenditureandsupplyshocks,bothofwhich
causeoutputtodeviatefromthenaturallevelintheshortrun.
e.True.
f.False.Fiscalpolicyaffectstheinterestrateinthemediumrunandthereforeaffects
investment.
g.False.Thenaturallevelofoutputchangesinresponsetoapermanentsupplyshock
(otherthanachangeinP3).Thepricelevelchangesinthemediumruninresponsetoeitherademandorasupplyshock.
第4题
a.Moneyisneutralinthesensethatthenominalmoneysupplyhasnoeffectonoutputortheinterestrateinthemediumrun.Outputreturnstoitsnaturallevel.TheinterestrateisdeterminedbythepositionoftheIScurveandthenaturallevelofoutput.Despitetheneutralityofmoneyinthemediumrun,anincreaseinthemoneysupplywillincreaseoutputandreducetheinterestrateintheshortrun.Therefore,expansionarymonetarypolicycanbeusedtospeeduptheeconomy'sreturntothenaturallevelofoutputwhenoutputislow.
b.Inthemediumrun,fiscalpolicyaffectstheinterestrateandinvestment,sofiscalpolicyisnotconsideredneutral.
c.False.Labormarketpolicies,suchasthedegreeofunemploymentinsurance,canaffectthenaturallevelofoutput.
a.SR:
shortrun
MR:
mediumrun
IS
LM
AD
AS
SR
left
down
left
nochange
MR
same
asSR
downfurther
same
asSR
down
b-c.
Y
.1
p
SR
falls
falls
falls
MR
backtooriginalYn
fallsfurther
falls
further
C
I
PrivateS
SR
falls
ambiguous
ambiguous
MR
IncreasesfromSRbutstilllowerthanoriginallevel
rises(aboveoriginallevel)
rises(aboveoriginallevel)
Inthemediumrun,consumptionmustlowerthanitsoriginallevelbecausedisposable
incomeisunchanged,butconsumerconfidenceislower.
Theshort-runchangeininvestmentisambiguous,becausetheinterestratefalls,which
tendstoincreaseinvestment,butoutputalsofalls,whichtendstoreduceinvestment.In
themediumrun,investmentmustrise(ascomparedtoitsshort-runandoriginallevels),
becausetheinterestratefallsbutoutputreturnstoitsoriginallevel.
Sincethebudgetdeficitdoesnotchangeinthisproblem,thechangeinprivatesavingequalsthechangeininvestment.Itispossiblethatprivatesavingwillfallin
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 布兰查德 课后 习题 答案 113 章毕博 doc