CH.11 Monopolistic Competition文稿Word下载.docx
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CH.11 Monopolistic Competition文稿Word下载.docx
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c.(ii)and(iii)only
d.(i),(ii),and(iii)ANSWER:
d. (i),(ii),and(iii)
TYPE:
MDIFFICULTY:
1SECTION:
17.1
2.Thephenomenonofproductdifferentiationcontrastssharplywiththephenomenonof
a.homogeneousproducts.
b.industrialproducts.
c.monopolisticcompetition.
d.productintegration.
ANSWER:
a. homogeneousproducts.TYPE:
3.Inamonopolisticallycompetitiveindustry,priceis
a.equaltomarginalcostsinceeachfirmisapricetaker.
b.belowmarginalcostsinceeachfirmisapricetaker.
c.abovemarginalcostsinceeachfirmisapricesetter.
d.alwaysafractionofmarginalcostsinceeachfirmisapricesetter.ANSWER:
c. abovemarginalcostsinceeachfirmisapricesetter.TYPE:
2SECTION:
4.Inwhichofthefollowingmarketstructuresisthenumberofsellerslessthan“many?
”
(i)monopolisticcompetition
(ii)monopoly
(iii)oligopoly
a.(i)and(ii)only
b.(ii)and(iii)only
c.(ii)only
d.Alloftheabovearecorrect.ANSWER:
b. (ii)and(iii)only
5.Whichofthefollowingmarketstructuresfeaturesfreeentryandexit?
(i)perfectcompetition
(ii)monopolisticcompetition
(iii)monopoly
a.(i)only
b. (i)and(ii)only
519
Chapter17/MonopolisticCompetitionF5511
6.Monopolisticcompetitiondiffersfromperfectcompetitionbecauseinmonopolisticallycompetitivemarkets
a.therearebarrierstoentry.
b.allfirmscaneventuallyearneconomicprofits.
c.eachofthesellersoffersasomewhatdifferentproduct.
d.strategicinteractionsbetweenfirmsisvitallyimportant.ANSWER:
c. eachofthesellersoffersasomewhatdifferentproduct.TYPE:
7.Onewayinwhichmonopolisticcompetitiondiffersfromoligopolyis
a.therearenobarrierstoentryinoligopolies.
b.inoligopolymarketsthereareonlyafewsellers.
c.alloligopolyfirmseventuallyearnzeroeconomicprofits.
d.strategicinteractionsbetweenfirmsarerarelyevidentinoligopolies.ANSWER:
b. inoligopolymarketsthereareonlyafewsellers.
8.Asimilaritybetweenmonopolyandmonopolisticcompetitionisthat,inbothmarketstructures,
a.strategicinteractionsamongsellersareimportant.
b.therearefewerthan“many”sellers.
c.sellersarepricemakersratherthanpricetakers.
d.productdifferentiationisimportant.
c. sellersarepricemakersratherthanpricetakers.TYPE:
9.Aprofit-maximizingfirminamonopolisticallycompetitivemarketdiffersfromafirminaperfectlycompetitivemarketbecausethefirminthemonopolisticallycompetitivemarket
a.ischaracterizedbymarketsharemaximization.
b.hasnobarrierstoentry.
c.facesadownward-slopingdemandcurveforitsproduct.
d.facesahorizontaldemandcurveatthemarketclearingprice.ANSWER:
c. facesadownward-slopingdemandcurveforitsproduct.TYPE:
10.Theprofit-maximizingruleforafirminamonopolisticallycompetitivemarketistoselectthequantityatwhich
a.marginalrevenueisequaltomarginalcost.
b.averagetotalcostisequaltomarginalrevenue.
c.averagetotalcostisatitsminimumvalue.
d.averagerevenueexceedsaveragetotalcost.ANSWER:
a. marginalrevenueisequaltomarginalcost.TYPE:
11.Aprofit-maximizingfirminamonopolisticallycompetitivemarketischaracterizedbywhichofthefollowing?
a.Averagerevenueexceedsmarginalrevenue.
b.Marginalrevenueexceedsaveragerevenue.
c.Averagerevenueisequaltomarginalrevenue.
d.Revenueisalwaysmaximizedalongwithprofit.ANSWER:
a. Averagerevenueexceedsmarginalrevenue.TYPE:
Usethefiguresbelowtoanswerquestions12through14.
12.Whichofthegraphswouldmostlikelyrepresentaprofit-maximizingfirminamonopolisticallycompetitivemarket?
a.panela
b.panelb
c.panelc
d.paneldANSWER:
a. panela
13.IfafirminamonopolisticallycompetitivemarketwasproducingthelevelofoutputdepictedasQdinpaneld,itwould
a.notbemaximizingitsprofit.
b.beminimizingitslosses.
c.belosingmarketsharetootherfirmsinthemarket.
d.beoperatingatexcesscapacity.ANSWER:
a. notbemaximizingitsprofit.TYPE:
14.Thefirmdepictedinpanelbfacesahorizontaldemandcurve.Ifpanelbdepic
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