曼昆《经济学原理》微观第五版测试题库

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1、Chapter17/Oligopolyv1217Chapter17OligopolyTRUE/FALSE1.Theessenceofanoligopolisticmarketisthatthereareonlyafewsellers.ANS:TDIF:1REF:17-0NAT:AnalyticLOC:OligopolyTOP:OligopolyMSC:Definitional2.Gametheoryisjustasnecessaryforunderstandingcompetitiveormonopolymarkets

2、asitisforunderstandingoligopolisticmarkets.ANS:FDIF:2REF:17-0NAT:AnalyticLOC:OligopolyTOP:Oligopoly

3、GametheoryMSC:Interpretive3.Inacompetitivemarket,strategicinteractionsamongthefirmsarenotimportant.ANS:TDIF:1REF:17-0NAT:AnalyticLOC:OligopolyTOP:Gametheory

4、Compe

5、titivemarketsMSC:Interpretive4.Forafirm,strategicinteractionswithotherfirmsinthemarketbecomemoreimportantasthenumberoffirmsinthemarketbecomeslarger.ANS:FDIF:2REF:17-0NAT:AnalyticLOC:OligopolyTOP:Oligopoly

6、GametheoryMSC:Interpretive5.Supposethreefirmsformacartela

7、ndagreetochargeaspecificpricefortheiroutput.Eachindividualfirmhasanincentivetomaintaintheagreementbecausethefirm’sindividualprofitswillbethegreatestunderthecartelarrangement.ANS:FDIF:2REF:17-1NAT:AnalyticLOC:OligopolyTOP:CollusionMSC:Interpretive6.Iffirmsinanoli

8、gopolyagreetoproduceaccordingtothemonopolyoutcome,theywillproducethesamelevelofoutputastheywouldproduceinaNashequilibrium.ANS:FDIF:1REF:17-1NAT:AnalyticLOC:OligopolyTOP:Oligopoly

9、CooperationMSC:Interpretive7.Whetheranoligopolyconsistsof3firmsor10firms,thelevelof

10、outputlikelywillbethesame.ANS:FDIF:2REF:17-1NAT:AnalyticLOC:OligopolyTOP:OligopolyMSC:Interpretive8.Cartelswithasmallnumberoffirmshaveagreaterprobabilityofreachingthemonopolyoutcomethandocartelswithalargernumberoffirms.ANS:TDIF:1REF:17-1NAT:AnalyticLOC:Oligopoly

11、TOP:CartelsMSC:Interpretive9.Asthenumberoffirmsinanoligopolybecomesverylarge,thepriceeffectdisappears.ANS:TDIF:2REF:17-1NAT:AnalyticLOC:OligopolyTOP:OligopolyMSC:Interpretive10.Ifallofthefirmsinanoligopolysuccessfullycolludeandformacartel,thentotalprofitfortheca

12、rtelisequaltowhatitwouldbeifthemarketwereamonopoly.ANS:TDIF:2REF:17-1NAT:AnalyticLOC:OligopolyTOP:CartelsMSC:Interpretive11.Asthenumberoffirmsinanoligopolyincreases,t