input-output

1、input-outputanalysisinenvironmental-economicsysteminput-outputanalysisinenvironmental-economicsystemSummarySummaryfindouttherelationshipamongthedepartmentsandtheircontributiontosocietyinputinput:resource,labor,etc.outputoutput:differentquantityofproduct,whichisdistributedtodifferentfieldsTable1middl

2、eproductsexchangeTable1middleproductsexchangeIXdjstributionofinputoutputintermediateproduct(附)inputdepartmentH741%x加finalproduct1兒.grossoutput)out-putdepartment.JXnj陽1司2陽口的1X22蜀n(1)Yi%(口)片至 1毛createdvalue(9)%七%(in)(IV)grossinput(巧)冗1均.，產(chǎn)口XMainindicatorsMainindicators1 .materialconsumptionmaterialcon

3、sumptiondirectconsumption(resource,energy),indirectconsumption(management,repair)2 .createdvaluecreatedvaluemiddleproduct(quadrantI)exchangedinproductionfinalproduct(quadrantII)putouttothesocietyTable2exampleTable2exampleinputoutputagricultureindustrialfinalproductgrossoutputagriculture(wheatkg)2555

4、M100industrial(cloth.m2)141463050laborforce(apiece(人)day)8080180.Note:Note:Ifagricultureproduces100wheat,itneeds25wheatandgives20wheattoindustrialsothatfinalproductisonly55.Table3directconsumptioncoefficientTable3directconsumptioncoefficientneedi|nginputperunitoutputperkg.wheatperm2clothJwheat(kg.)2

5、5/100-02520/50=0,40cloth(m2)14/100=0,146/50=0.12laborforce(apiece(人)-day)V1：80/100=0.80V2:180/50=3.60Table4completeconsumptioncoefficientTable4completeconsumptioncoefficientneedinginputperunitoutputperkg.wheatperm2clothwheat(kg.)0.4570.662cloth(m2)0.2320.242Note:Note:Ifagricultureproduces1wheat,itne

6、eds0.25wheat,whichalsoneedswheat(0.0625=0.25*0.25)toproduce.Andalso,0.0625wheatstillneedswheattoproduce.Sothecompleteconsumptioncoefficientofwheatis0.457insteadof0.25.Table5CoefficientofthefinalproductTable5Coefficientofthefinalproductneedinginp|utperimitoutputperkg.wheatperm2clotliwheat(kg.)1.4570.

7、662cloth(m2)0.2321.242ThecalculationofTable5:ThecalculationofTable5:F+Y=XF=AXAX+Y=XP=AP+V-P=(1-AP/wheatP2：clothV:laborforce(Table3)P=L457X0,80+0.232X3.60=2.0(元)P2=a662X0.80-hl.242X3.60=5.0(元)inputoutputYXagricultureindustrialfinalproducti/廠/agriculture(wheat,kg2520/55/IiooHindustrial(cloth.m2)146305

8、0F=(25+20J4+6)oncoefficientThedeterminationofprice:Thedeterminationofprice:P=(PP=(Pi i,P,P2 2)Y-(I-A)XX=(|-A)-1Y上（l-Al-A尸二1.4570.6620.2321.242P=0.25P1+0,14P2+V1P2=0.40P+0J2P2+V2rPrlA57Vl+0.232V2YPj=0562%+L242匕A:directconsuWhenwetakethegenerationofwasteintoconsideration:Table6input-outputanalysiswith

9、wastedischargeTable6input-outputanalysiswithwastedischargewheatclothfinalproductiongrossproductionwheat(kg.)252055100clothfm2)1463050wastefgj501060DirectpollutioncoefficientDirectpollutioncoefficientE1=50/100=0.5E2=10/50=0.2E E=0.5,0.2CumulativepollutioncoefficientCumulativepollutioncoefficients/=CY

10、=EX(1-A)-1Y=XSoC=E(1-A)-1Inthisexample:E E=0.5,0.2C1=(1.457.5)+(0.232055=42.62W2=C2*2=0.579430=17.38W1+W2=60(LA(LA尸二1.4570.6620.2321.242Table7CumulativepollutioncoefficientCumulativepollutioncoefficientneedinginputperunitoutputperkg.wlieatperm;clothwheat(kg.)1L4570.662cloth(ni2)VWVWO O2322321.242.wa

11、ste(g)0.77490.5794Ifwewanttotreatthesewaste:Supposethattreating1gwasteneeds0.22hclothand2laborforceandwecanget:XI=0.25XI+0.40X2+YIX2=0.14XI+0.12X2+0.20X2+Y2X3=0.50X1+0.20X2-Y3V=0.80XI+3.60X2+2.00X3NoteNote:Y3meanswasteallowedtobedischargedintoenvironmentwithoutTreatment,sothereis產(chǎn)beforeY3.尤=1.573+0.749y2-0.150%1=0,449%+1.404%0,281乃x.