3、ll|DDDDDDDDDDDDDDDDDDDDDODDA20accountingDDaccountingcostDDDDaccountingprofitDODDadverseselectionDODDallocationDDallocationofresourcesDDDDallocativeefficiencyDDDDantitrustlegislationODDDDarcelasticityDDDassumptionDDasymmetrieinformationODDODDaverageDDaveragecostODDDaveragecostpricingDDDDDDDaveragefixedcostDDDDDDaverageproductofcapitalDDDDDDaverageproductoflabourDDDDDDaveragerevenueDDDDaveragetotalcostDDDDDaveragevariablecostDDDDDDB12barrierstoentryDODDbaseyearDDbilateralmonopolyDDDDbenefitDDblackmarketDDblisspointODDboundarypointDDDbreakevenpointDDDDDbudgetDDbudgetconstraintDODDbudgetlineODDbudgetsetODDC75capitalDDcapitalstockODDDcapitaloutputratioDDDDDDcapitalismDDDDcardinalutilitytheoryDDDDDcartelODDceterisparibusassumptionDDDDDDDDDDDceterisparibusdemandcurveODDDDDDDDDDDDChamberlainmode