曼昆经济学题库chapter23

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1、Chapter20/AggregateDemandandAggregateSupplyF559Chapter23AggregateDemandandAggregateSupplyMULTIPLECHOICE1.Whichofthefollowingexplainswhyproductionrisesinmostyears?a.increasesinthelaborforceb.increasesinthecapitalstockc.increasesintechnologyd.Alloftheabovearecorrect.ANSWER:d.

2、Alloftheabovearecorrect.TYPE:MDIFFICULTY:1SECTION:20.02.Onaverageoverthepast50years,theU.S.economyhasgrownattherateofabouta.1percentperyear.b.3percentperyear.c.4percentperyear.d.6percentperyear.ANSWER:b.3percentperyear.TYPE:MDIFFICULTY:1SECTION:20.03.Ashortperiodoffallingin

3、comesandrisingunemploymentiscalledaa.depression.b.recession.c.expansion.d.businesscycle.ANSWER:b.recession.TYPE:MDIFFICULTY:1SECTION:20.04.Duringrecessionsa.workersarelaidoff.b.factoriesareidle.c.firmsmayfindtheyareunabletosellalltheyproduce.d.Alloftheabovearecorrect.ANSWER

4、:d.Alloftheabovearecorrect.TYPE:MDIFFICULTY:1SECTION:20.15.Duringarecessiontheeconomyexperiencesa.risingemploymentandincome.b.risingemploymentandfallingincome.c.risingincomeandfallingemployment.d.fallingemploymentandincome.ANSWER:d.fallingemploymentandincome.TYPE:MDIFFICULT

5、Y:1SECTION:20.16.Businesscyclesa.areeasilypredictedbycompetenteconomists.b.haveneveroccurredveryclosetogether.c.canonlybeseenaschangesinrealGDP.d.Noneoftheaboveiscorrect.ANSWER:d.Noneoftheabovearecorrect.TYPE:MDIFFICULTY:1SECTION:20.1Chapter20/AggregateDemandandAggregateSup

6、plyF5597.Businesscyclesa.areexplainedmostlybyfluctuationsinconsumption.b.nolongerareveryimportantduetogovernmentpolicy.c.arefluctuationsinrealGDPandrelatedvariablesovertime.d.areeasilypredictedbycompetenteconomists.ANSWER:c.arefluctuationsinrealGDPandrelatedvariablesovertim

7、e.TYPE:MDIFFICULTY:1SECTION:20.18.Duringrecessionsa.salesandprofitsfall.b.salesandprofitsrise.c.salesrise,profitsfall.d.profitsfall,salesrise.ANSWER:a.salesandprofitsfall.TYPE:MDIFFICULTY:1SECTION:20.19.ThedecreaseinrealGDPduringarecessionisa.mostlyadecreaseininvestmentspen

8、ding.b.mostlyadecreaseinconsumptionspending.c.aboutequallydividedbetweenconsumptio