/2011.1STUDIESOFINTERNATIONALFINANCE,,,。,。、,,。,??,,,。、()2070,1980《》。,。,2030Q,。Q,,。2060,70、,。197412.3%,1980314.8%,,,3208015%。,,,。“”。2070,,:2080,、。,,,。,。,,,。::F831:A:,,;,,。69/2011.1STUDIESOFINTERNATIONALFINANCE,、,。()2080Q,。:、、、。2070,,。1980《》,,:1980331,61986331,“Q”;;NOW。,Q,。,198210,《-》,Q,(MMDA),(SNOW),。19864,,。、,,。()1.。,。,,,,。。2.、。、、,。,,,。3.,。,,。4.,。5.,、。,,。,,。,。8070,,,。、()1.,。(Federalinsuraucecorporation,FDIC)70/2011.1STUDIESOFINTERNATIONALFINANCE:FDIC、12070~80:FDIC22070~80119713.72%4.98%19813.77%6.35%19723.51%4.76%19823.85%5.79%19733.55%5.35%19833.80%5.34%19743.50%6.31%19843.91%5.61%19753.31%5.79%19854.02%5.30%19763.76%6.46%19863.87%5.04%19773.80%6.83%19873.86%5.05%19783.88%6.38%19884.00%5.27%19793.85%6.04%19893.99%5.61%19803.82%6.20%19903.95%5.24%:FDIC:=-;=/。,70,,(19711980,5.02%13.27%,,FDIC2.39%6.92%),,(19711980,FDIC7.37%13.12%)。80,80,,(1)。,,。,2080、,,。80~90,。,80,,1982~1983,,19816.35%19835.34%。,,,。,,,50。2001,,,(21)。2.,,。80,,,70,。90,、,。,,,,。71/2011.1STUDIESOFINTERNATIONALFINANCE,,。,,,。,(,)(2、33、4)。,,,。3.80,,。701986,3.80%。80,90,4%。90,,:FDIC32197148.64%20.80%30.55%198130.27%17.60%52.12%197248.04%20.13%31.82%198226.51%21.75%51.75%197345.35%18.75%35.91%198325.39%30.24%44.37%197442.12%18.26%39.62%198425.17%30.61%44.22%197541.17%20.58%38.25%198525.11%32.80%42.09%197640.19%24.54%35.27%198625.93%36.17%37.90%197740.76%23.69%35.55%198722.86%36.17%40.96%197839.44%21.76%38.80%198821.68%35.03%43.29%197939.50%18.95%41.55%198920.59%33.48%45.93%198036.35%16.92%46.73%199019.69%33.87%46.45%:FDIC197148.81%51.19%198130.65%69.36%197248.23%51.77%198226.94%73.06%197345.54%54.46%198325.88%74.12%197442.31%57.69%198431.99%68.01%197541.39%58.61%198532.47%67.53%197640.43%59.57%198634.83%65.17%197740.94%59.06%198732.32%67.68%197839.64%60.36%198831.27%68.73%197939.76%60.24%198929.89%70.11%198036.66%63.34%199029.05%70.95%:FDIC4:FDIC372/2011.1STUDIESOFINTERNATIONALFINANCE:FDIC5:FDIC6,3%。8090,:,,;,,,,;80,,90,,。1992,(5),:;,,。,,1999《》,,“”。()《1933》,20%。80,,,,,,199943%(6)。(),1986,,FDIC14229,。,、,,,20096840(7)。。,(1),1986112.2%201011.2%。(100)28.3%77.7%。(),,。70(MMMF),。,:FDIC773/2011.1STUDIESOFINTERNATIONALFINANCE1949196019701980199042.3%38.6%38.5%37.2%26.8%9.9%20.1%20.8%23.3%16.0%3.9%12.1%13.4%16.9%11.1%5.8%6.9%6.0%4.6%2.7%0.2%1.1%1.4%1.9%2.2%19.7%24.0%19.1%17.4%19.1%25.5%9.8%13.0%13.0%19.3%0.9%2.9%3.7%3.7%10.9%0.0%2.9%3.6%1.7%5.9%0.0%0.0%0.2%2.0%5.1%1.7%4.7%4.9%5.3%7.9%41949~1990,,,(4)。、1996,。1999、。,。2000。200410,,,,“、”,。200714,(Shibor)。,,,。。()Shibor,。“→→”,,、Shibor,,。,。()、。,、、,,,。()、,,,。、、、、、,。,、。,,,,,,。、,,,,:FinancialMarketsinTransition-ortheDeclineofCommercialBanking(Franklin.R.Ed-wards,1994)74/2011.1STUDIESOFINTERNATIONALFINANCE:[1],.LiborShibor[J].,2008(7).[2].、[M].,1999.[3].:[J].,2008(7).[4].、()[M].,2007.[5].,[D].,2005.[6],.[J].,2001(10).[7]FranklinR.Edwards,FinancialMarketsinTransition-OrtheDeclineofCommercialBanking,inChangingCapitalMarkets:ImplicationsforMonetaryPolicy[R].FRBofKansasCity,1994.[8]ProfitsandBalanceSheetDevelopmentsatU.S.CommercialBanksin2009[R].FRBBulletin,May2010.[9]ProfitsandBalanceSheetDevelopmentsatU.S.CommercialBanksin1995[R].FRBBulletin,1996.Abstract:ByanalyzingtheAmerica’smarket-basedinterestratereforminthe1980’s,wetakeanindepthlookattheimpactofthereformonthetransformationofbanks’asset-liabilitiesbusinessintoanintermediarybusinessandthecentralizationofindustries.Throughouranalysis,wefindthatamarket-basedinterestratemaycausethetrendwherebythemarginbetweenthesavingsandloansratenarrows,thoughduetotheincreasingweightofdebtsinassets,theimpactonbanks’netinterestmarginsatthebeginningofthepost-reformperiodisrelativelysmall.However,withthefinetuningofthemarket-basedinterestratereformandthefinancialdisintermediationbecomingmoreevident,thenetinterestmarginsarestillshowingadownwardtrend.Furthermore,themarket-basedinterestrateclearlyactsasacatalystfortheintermediarybusiness,encouragingcompetitionsbetweenindustriesandincreasingtheconcentrationratio.Keywords:BankingSector;Market-basedInterestRateRegime;NetInterestMargin;Disintermediation80,,,,,,;,,。,,,。,,,90,,,,90。,,,“”,,,。,,,,,,,,,、。,,,,,,,,。()75