经济学原理对应练习--33

1352Chapter33AggregateDemandandAggregateSupplyMultipleChoice1.Whichofthefollowingexplainswhyproductionrisesinmostyears?a.increasesinthelaborforceb.increasesinthecapitalstockc.advancesintechnologicalknowledged.Alloftheabovearecorrect.ANS:DPTS:1DIF:1REF:33-1TOP:GrowthMSC:Definitional2.Onaverageoverthepast50years,theU.S.economyhasgrownattherateofabouta.1percentperyear.b.3percentperyear.c.4percentperyear.d.6percentperyear.ANS:BPTS:1DIF:1REF:33-1TOP:GrowthMSC:Definitional3.Ashortperiodoffallingincomesandrisingunemploymentiscalledaa.depression.b.recession.c.expansion.d.businesscycle.ANS:BPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional4.Duringrecessionsa.workersarelaidoff.b.factoriesareidle.c.firmsmayfindtheyareunabletosellalltheyproduce.d.Alloftheabovearecorrect.ANS:DPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional5.Duringarecessiontheeconomyexperiencesa.risingemploymentandincome.b.risingemploymentandfallingincome.c.risingincomeandfallingemployment.d.fallingemploymentandincome.ANS:DPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional6.Whichofthefollowingiscorrect?a.Economicfluctuationsareeasilypredictedbycompetenteconomists.b.Recessionshaveneveroccurredveryclosetogether.c.Othermeasuresofspending,income,andproductiondonotfluctuatecloselywithrealGDP.d.Noneoftheaboveiscorrect.ANS:DPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional7.Whichofthefollowingiscorrect?a.Overthebusinesscycleconsumptionfluctuatesmorethaninvestment.b.Economicfluctuationsareeasytopredict.c.Duringrecessionssalesandprofitstendtofall.d.BecauseofgovernmentpolicytheU.S.hassufferednorecessionsinthelast25years.ANS:CPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:DefinitionalChapter33/AggregateDemandandAggregateSupply13538.Duringrecessionsa.salesandprofitsfall.b.salesandprofitsrise.c.salesrise,profitsfall.d.profitsfall,salesrise.ANS:APTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional9.Whichofthefollowingtypicallyrisesduringarecession?a.garbagecollectionb.unemploymentc.corporateprofitsd.automobilesalesANS:BPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional10.Mosteconomistsusetheaggregatedemandandaggregatesupplymodelprimarilytoanalyzea.short-runfluctuationsintheeconomy.b.theeffectsofmacroeconomicpolicyonthepricesofindividualgoods.c.thelong-runeffectsofinternationaltradepolicies.d.productivityandeconomicgrowth.ANS:APTS:1DIF:1REF:33-1TOP:AggregatedemandandsupplymodelMSC:Interpretive11.RealGDPa.isthecurrentdollarvalueofallgoodsproducedbythecitizensofaneconomywithinagiventime.b.measureseconomicactivityandincome.c.isusedprimarilytomeasurelong-runtrendsratherthanshort-runfluctuations.d.Alloftheabovearecorrect.ANS:BPTS:1DIF:1REF:33-1TOP:RealGDPMSC:Definitional12.RealGDPa.movesinthesamedirectionasunemployment.b.isnotadjustedforinflation.c.alsomeasuresrealincome.d.Alloftheabovearecorrect.ANS:CPTS:1DIF:1REF:33-1TOP:RealGDPMSC:Definitional13.Asrecessionsbegin,productiona.andunemploymentbothrise.b.risesandunemploymentfalls.c.fallsandunemploymentrises.d.andunemploymentbothfall.ANS:CPTS:1DIF:1REF:33-1TOP:UnemploymentandthebusinesscycleMSC:Definitional14.Duringrecessionsinvestmenta.fallsbyalargerpercentagethanGDP.b.fallsbyaboutthesamepercentageasGDP.c.fallsbyasmallerpercentagethanGDP.d.fallsbutthepercentagechangeissometimesmuchlargerandsometimesmuchsmaller.ANS:APTS:1DIF:2REF:33-1TOP:InvestmentandthebusinesscycleMSC:Analytical1354Chapter33/AggregateDemandandAggregateSupply15.Whichofthefollowingiscorrectconcerningrecessions?a.Theycomeatfairlyregularandpredictableintervals.b.Theyareassociatedwithcomparativelylargedeclinesininvestmentspending.c.TheyareanyperiodwhenrealGDPgrowthislessthanaverage.d.Theytendtobeassociatedwithfallingunemploymentrates.ANS:BPTS:1DIF:1REF:33-1TOP:BusinesscycleMSC:Definitional16.Historically,thechangeinrealGDPduringrecessionshasbeena.mostlyachangeininvestmentspending.b.mostlyachangeinconsumptionspending.c.aboutequallydividedbetweenconsumptionandinvestmentspending.d.sometimesmostlyachangeinconsumptionandsometimesmostlyachangeininvestment.ANS:APTS:1DIF:1REF:33-1TOP:InvestmentandthebusinesscycleMSC:Definitional17.WhichpartofrealGDPfluctuatesmostoverthecourseofthebusinesscycle?a.consumptionexpendituresb.governmentexpendituresc.investmentexpendituresd.netexportsANS:CPTS:1DIF:1REF:33-1TOP:InvestmentandthebusinesscycleMSC:Definitional18.Duringrecessionsdeclinesininvestmentaccountforabouta.1/6ofthedeclineinrealGDP.b.1/3ofthedeclineinrealGDP.c.1/2ofthedeclineinrealGDP.d.2/3ofthedeclineinrealGDP.ANS:DPTS:1DIF:1REF:33-1TOP:InvestmentandthebusinesscycleMSC:Definitional19.Investmentisaa.smallpartofrealGDP,soitaccountsforasmallshareofthefluctuationinrealGDP.b.smallpartofrealGDP,yetitaccountsforalargeshareofthefluctuationinrealGDP.c.largepartofrealGDP,soitaccountsforalargeshareofthefluctuationinrealGDP.d.largepartofrealGDP,yetitaccountsforasmallshareofthefluctuationinrealGDP.ANS:BPTS:1DIF:1REF:33-1TOP:InvestmentandthebusinesscycleMSC:Definitional20.In2001,theUnitedStateswasinrecession.Whichofthefollowingthingswouldyouexpectnottohavehappened?a.increasedlayoffsa