经济学原理-微观-第五版测试题库-(04).docx

Chapter4TheMarketForcesofSupplyandDemandTRUEFALSE1. Pricesallocateamarketeconomy'sscarceresources.ANS:TDIF:1REF:4-0NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketeconomiesMSC:Definitional2. Inamarketeconomy,supplyanddemanddetermineboththequantityofeachgoodproducedandthepriceatwhichitissold.ANS:TDIF:1REF:4-0NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketeconomiesMSC:Definitional3. Amarketisagroupofbuyersandsellersofaparticulargoodorservice.ANS:TDIF:1REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketsMSC:Definitional4. Sellersasagroupdeterminethedemandforaproduct,andbuyersasagroupdeterminethesupplyofaproduct.ANS:FDIF:1REF:4-1NAT:AnalyticLOC:SupplyanddemandTOP:DemandSupplyMSC:Definitional5. Ayardsaleisanexampleofamarket.ANS:TDIF:2REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketsMSC:Applicative6. Anewspaper,sclassifiedadsareanexampleofamarket.ANS:TDIF:2REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketsMSC:Applicative7. Mostmarketsintheeconomyarehighlycompetitive.ANS:TDIF:1REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:MarketsMSC:Definitional8. Inacompetitivemarket,thequantityofeachgdproducedandthepriceatwhichitissoldarenotdeterminedbyanysinglebuyerorseller.ANS:TDIF:1REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:CompetitivemarketsMSC:Definitional9. Inacompetitivemarket,therearesofewbuyersandsofewsellersthateachhasasignificantimpactonthemarketprice.ANS:FDIF:1REF:4-1NAT:AnalyticLOC:Markets,marketfailure,andexternalitiesTOP:CompetitivemarketsMSC:Definitional10. Inaperfectlycompetitivemarket,thegoodsofferedforsaleareallexactlythesame.ANS:TDIF:1REF:4-1NAT:AnalyticLOC:PerfectcompetitionTOP:PerfectcompetitionMSC:Definitional11. Inaperfectlycompetitivemarket,buyersandsellersarepricesetters.ANS:FDIF:1REF:4-1NAT:AnalyticLOC:PerfectcompetitionTOP:PerfectcompetitionMSC:Definitional12.Allgoodsandservicesaresoldinperfectlycompetitivemarkets.ANS:FDIF:1REF:4-1NAT:AnalyticLOC:PerfectcompetitionMSC:DefinitionalTOP:Perfectcompetition13.Ifagoodorservicehasonlyoneseller,thentheselleriscalledaANS:TDIF:1REF:4-1NAT:AnalyticLOC:MonopolyTOP:Monopolymonopoly.MSC:Definitional14.Monopolistsarepricetakers.ANS:FDIF:2REF:4-1NAT:AnalyticLOC:MonopolyTOP:MonopolyMSC:Interpretive15.LocalcableTVcompaniesfrequentlyaremonopolists.ANS:TDIF:1REF:4-1NAT:AnalyticLOC:MonopolyTOP:MonopolyMSC:Definitional16.Thequantitydemandedofaproductistheamountthatbuyersanprice.ANS:TDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandMSC:Definitional3willingandabletopurchaseataparticularTOP:Quantitydemanded17.Thelawofdemandistrueformostgoodsintheeconomy.ANS:TDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandMSC:DefinitionalTOP:Lawofdemand18. Thelawofdemandstatesthat,otherthingsequal,whenthepriceofagoodrises,thequantitydemandedofthegoodrises,andwhenthepricefalls,thequantitydemandedfalls.ANS:FDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:LawofdemandMSC:Definitional19. Thedemandcurveistheupward-slopinglinerelatingpriceandquantitydemanded.ANS:FDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:Demandcu,eMSC:Definitional20. Individualdemandcun,esaresummedhorizontallytoobtainthemarketdemandcurve.ANS:TDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:MarketdemandcurveMSC:Definitional21. Themarketdemandcurveshowshowthetotalquantitydemandedofagoodvariesastheincomeofbuyersvaries,whilealltheotherfactorsthataffecthowmuchconsumerswanttobuyareheldconstant.ANS:FDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:MarketdemandcurveMSC:Definitional22. Ifsomethinghappenstoalterthequantitydemandedatanygivenprice,thenthedemandcurveshifts.ANS:TDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:Demandcur,eMSC:Definitional23. Amovementupwardandtotheleftalongagivendemandcurveiscalledadecreaseindemand.ANS:FDIF:2REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:Demandcur,eMSC:Interpretive24. Anincreaseindemandshiftsthedemandcurvetotheleft.ANS:FDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:Demandcur,eMSC:Definitional25. Ifthedemandforagoodfallswhenincomefalls,thenthegoodiscalledaninferiorgood.ANS:FDIF:1REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:NormalgoodsMSC:Definitional26. WhenMario'sincomedecreases,hebuysmorepasta.ForMario,pastaisanormalgood.ANS:FDIF:2REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:InferiorgoodsMSC:Applicative27. Adecreaseinincomewillshiftthedemandcurveforaninferiorgoodtotheright.ANS:IDIF:2REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP:InferiorgoodsMSC:Interpretive28. Anincreaseinthepriceofasubstitutegoodwillshiftthedemandcurveforagoodtotheright.ANS:TDIF:2REF:4-2NAT:AnalyticLOC:SupplyanddemandTOP