经济学原理对应练习 17概要1

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1、Chapter17/MonopolisticCompetitionv767Chapter17MonopolisticCompetitionMultipleChoice1.Whichofthefollowingisnotacharacteristicofmonopolisticcompetition?a.Alargenumberofsellers.b.Firmsarepricetakers.c.Thereisfreeentryintothemarket.d.Sellersofferproductsthatare

2、,insomeway,differentfromtheircompetitors'products.ANS:BPTS:1DIF:1REF:17-0TOP:MonopolisticcompetitionMSC:Definitional2.Whichofthefollowingmarketswouldmostlikelyberepresentedbymonopolisticcompetition?a.Themarketforcorn.b.Themarketforcabletelevisionservice.c.T

3、hemarketfor#2woodenpencils.d.Themarketforclothing.ANS:DPTS:1DIF:2REF:17-0TOP:MonopolisticcompetitionMSC:Interpretive3.Monopolisticcompetitionischaracterizedbywhichofthefollowingattributes?(i)Freeentry(ii)Productdifferentiation(iii)Manysellersa.(i)and(iii)on

4、lyb.(i)and(ii)onlyc.(ii)and(iii)onlyd.(i),(ii),and(iii)ANS:DPTS:1DIF:1REF:17-1TOP:MonopolisticcompetitionMSC:Definitional4.Inamonopolisticallycompetitiveindustry,firmssetpricea.equaltomarginalcostsinceeachfirmisapricetaker.b.belowmarginalcostsinceeachfirmis

5、apricetaker.c.abovemarginalcostsinceeachfirmisapricesetter.d.alwaysafractionofmarginalcostsinceeachfirmisapricesetter.ANS:CPTS:1DIF:2REF:17-1TOP:PriceMSC:Interpretive5.Inwhichofthefollowingmarketstructuresaretherealargenumberofsellers?(i)Monopolisticcompeti

6、tion(ii)Perfectcompetition(iii)Oligopolya.(i)and(ii)onlyb.(ii)and(iii)onlyc.(ii)onlyd.(i),(ii),and(iii)ANS:APTS:1DIF:1REF:17-1TOP:MarketsMSC:DefinitionalChapter17/MonopolisticCompetitionv7676.Inwhichofthefollowingmarketstructuresdoesfreeentryandexitplayanim

7、portantroleinthelong-runequilibriumoutcome?(i)Perfectcompetition(ii)Monopolisticcompetition(iii)Monopolya.(i)onlyb.(i)and(ii)onlyc.(ii)and(iii)onlyd.(i),(ii),and(iii)ANS:BPTS:1DIF:2REF:17-1TOP:MarketsMSC:Interpretive7.Monopolisticcompetitiondiffersfromperfe

8、ctcompetitionbecauseinmonopolisticallycompetitivemarketsa.therearebarrierstoentry.b.allfirmscaneventuallyearneconomicprofits.c.eachofthesellersoffersasomewhatdifferentproduct.d.strategicinteractionsbet