04-宏观经济学-第14章国民收入的决定:IS-LM模型-两市场的一般均衡

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)•••--ISrYISISISISP353rISISI=re-d-a+(1-b)S=Y-C=Y-a+(1-b)=YY”ISISSISYISIr1Ir2YY1Y2I=e–drr1r2rY1Y2YCI45ISrYISae1brYdd+−=−P356P356™ISYr™Yr™ISP357rISAISYae1Y11dbbaebrYddr=+−−−−−+=AaeK=1/(1-b)Y=KI(A-dr),rAYISrAYISr1r2”ISP354eY111aaebrYddbdrb+=−−−−−+=rYISGISrYISrAISBYDISISCYISP357¾ADADDID=SDSA=SD(YCIAID=SD=SAIASA¾IS¾ISBBCSB=SCBCBCIBICCISIC=SCIBIC=SC=SBIBSB¾IS:I100500rC500.8Y™r5810YIS100500rI100500r500.2YIS:Y7502500r……SYC500.2YC=100+0.75YdI=125-600rG=50T=20+0.2YTR=0™1IS™2IS™3r=15%Y™Yf=465™1AD=Y=C+I+G=100+0.75(Y-20-0.2Y)+125-600r+50ISY650-1500r™2IS1/1500™3r0.15Y425KG1/1-0.75(1-0.2)=2.5GDP4654256016•)••P359rLMkL=Y+(J-h)rs0M=....M..Mk=Y+(J-h)rY0MJhY=+kkrr,M0,h,k,Y()”LMrMKrHLY2MLrLMYLKYhrrYLLY1]=KY1hrr1r1r2r2Y1Y2LMP361rYLMr,M0,h,k,Y()”LMP362rrr1r0LMYLML1(Y1)M0L2(Y2)L3(Y3))r(J0↑=↑=YYhkhMrs0LrL(rkJ-=YMhM)↓(Y1)(Y2)(Y3)Y4Y5Y4Y5LMLM1M0.LM2LMP13JLMrLMM0LMY0JMhkrYh=P363P363M0LMrYLMLMM00JMhkrYh=P364.áLMáLMrLMABYLMLMrrAISBYDISISCrLMABLMLMYrY••)••P366I=1250-250rS=-500+0.5YISI=SY=3500-500rL=0.5Y+1000-250rM=1250LML=M,Y=500+500rY=2000,r=3ELMISr*Y*YYrr14-6”D00IISYAECIGYYedrG[YtYY)]edrG:K(AaGY1(1r)d1(1))ababTebTdrbtbt==++=++−+=+−−+−+++−=−−−−−12000LM()()JLLYLrkrYMkhhYJhrMMMkYJhr=+=−==−=+Y*(d)dAMahakh++**0JMkrYhh=P367ISEALMLMEDISISLMrYIIIIIIIVELMISY*ACDBr*ISLMEY0i0”LMISiABCDGHIJKLYArr0E0LMYY0IS1E1r1Y1P370P370•LMISGIS014-9arLMr0E0YY0IS1E1r1Y1P370P370•LMISGIS0•G*KG14-9a•ISLMMrr1E0E1LM1YY1r0Y0IS0LM014-9bISLMƒ1937Mr.KeynesandtheClassics:AsuggestedinterpretationISLMƒJohnR.Hicks,ƒ1904-89ƒ1953MonetaryTheoryandFiscalPolicy1949AGuidetoKeynesISLMAlvinH.Hansen,1887-1975“”//?????)•••ISISP353rISISY”ISISSISYISIr1Ir2YY1Y2I=e–drr1r2rY1Y2rISAYISISP357eY111aaebrYddbdrb+=−−−−−+=AaeY=KI(A-dr),rAYISrAYISr1r2GISrYIS•)••rYLMP359r,M0,h,k,Y()”LMrMLY2MrLY1r1LKYhrrYLLMYr1r2r2Y1Y2”LMP362rrr1r0LYLML1(Y1)M0L2(Y2)L3(Y3))r(J0↑=↑=YYhkhMrs0LkJ-hrL(r)M=MY↓(Y1)(Y2)(Y3)Y4Y5Y4Y5LMLM1M0.LM2LMP13JLMrLMM0LMY0JMhkrYh=P363P363M0LMLMrYLMM00JMhkrYh=rAISBYDISISCrLMABLMLMYrY••)••P366I=1250-250rS=-500+0.5YISI=SY=3500-500rL=0.5Y+1000-250rM=1250LML=M,Y=500+500rY=2000,r=3ELMISr*Y*YYrr14-6”D0I0ISYAECIGYYedrG[YtY)]edYK(AdrrG:aG1(1)1(1))ababTebTdrbtbt==++=++−+=+−−+−+++−=−−−−−12000LM()()JLLYLrkMkrYYJhrMMMkYJhhrh=+=−==+−=Y*(d)dAMahakh++**0JMkrYhh=”LMISiABCDGHIJKLYArr0E0LMYY0IS1E1r1Y1P370P370•LMISIS014-9a•ISLMrr1E0E1LM1YY1r0Y0IS0LM014-9b

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