(116025),,,:1.1996,6(),2.199950,44,,,,3.,,,,,,,,,,:1.,,,,2.,,,,;,,54200318©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3.,,,,,,,,,:,,,;,,,,,,,,,,,,(,2002),,,,,,,(Hamilton,1777)Marshall(1890),,,,,,,,,,,,,,,,,,,,,,,,,,,,,64200318©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,80EVAEVA,,EVA,EVA,;,EVA,;,EVA,;,EVA,,,,,,,,,,:(1);(2);(3),,,,,,,,,,,,,,,,,,,,,,;,,,,.2002..:Hamilton.1777.AnIntroductiontoMerchandize.EdinburghMarshall.1890.PrinciplesofEconomics.TheMacmillanPressLtd.74200318©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.