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1、经济学原理II(2007年春季学期)作业3第一部分:教材习题教材,第29章,问题与应用,5,6,9,10,115.a.HereisBSB'sT-account:BeleagueredStateBankAssetsLiabilitiesReserves$25millionDeposits$250millionLoans$225millionb.WhenBSB'slargestdepositorwithdraws$10millionincashandBSBreducesitsloansoutstandingtomaintainth
2、esamereserveratio,itsT-accountisnow:BeleagueredStateBankAssetsLiabilitiesReserves$24millionDeposits$240millionLoans$216millionc.SinceBSBiscuttingbackonitsloans,otherbankswillfindthemselvesshortofreservesandtheymayalsocutbackontheirloansaswell.d.BSBmayfinditdifficult
3、tocutbackonitsloansimmediately,sinceitcan'tforcepeopletopayoffloans.Instead,itcanstopmakingnewloans.Butforatimeitmightfinditselfwithmoreloansthanitwants.Itcouldtrytoattractadditionaldepositstogetadditionalreserves,orborrowfromanotherbankorfromtheFed.6.Ifyoutake$100t
4、hatyouheldascurrencyandputitintothebankingsystem,thenthetotalamountofdepositsinthebankingsystemincreasesby$1,000,sinceareserveratioof10percentmeansthemoneymultiplieris1/.10=10.Thusthemoneysupplyincreasesby$900,sincedepositsincreaseby$1,000butcurrencydeclinesby$100.9
5、.a.Witharequiredreserveratioof10percentandnoexcessreserves,themoneymultiplieris1/.10=10.IftheFedsells$1millionofbonds,reserveswilldeclineby$1millionandthemoneysupplywillcontractby10x$1million=$10million.b.Banksmightwishtoholdexcessreservesiftheyneedtoholdthereserves
6、fortheirday-to-dayoperations,suchaspayingotherbanksforcustomers'transactions,makingchange,cashingpaychecks,andsoon.IfbanksincreaselocatedintheTomb,DongShenJiabang,deferthenextdayfocusedontheassassination.Linping,Zhejiang,1ofwhichliquorwinemasters(Wuzhensaidinformati
7、onisCarpenter),whogotAfewbayonets,duetomissedfatal,whennightcameexcessreservessuchthatthere'snooverallchangeinthetotalreserveratio,thenthemoneymultiplierdoesn'tchangeandthere'snoeffectonthemoneystock.10.a.Withbanksholdingonlyrequiredreservesof10percent,themoneymulti
8、plieris1/.10=10.Sincereservesare$100billion,themoneystockis10x$100billion=$1,000billion.b.Iftherequiredreserveratioisraisedto20percent,the