微观经济学第十四章习题.docx

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微观经济学第十四章习题

Microeconomics-Testbank1(Hubbard/O'Brien)

Chapter14MonopolyandAntitrustPolicy

1)

Amonopolyisasellerofaproduct:

A)

withmanysubstitutes.

B)

withoutaclosesubstitute.

C)

withaperfectlyinelasticdemand.

D)

withoutaawell-defineddemandcurve.

Answer:

B

Diff:

1

PageRef:

444

2)

Amonopolistisasellerwho:

A)

hastoconsidertheactionsofothersellers.

B)

issmallrelativetothemarket.

C)

canignorethethreatofcompetitionfromotherfirms.

D)

alloftheabove.

Answer:

C

Diff:

2

PageRef:

445

3)

Thedemandcurveforthemonopolist'sproductis:

A)

themarketdemandfortheproduct.

B)

moreelasticthanthemarketdemandfortheproduct.

C)

moreinelasticthanthemarketdemandfortheproduct.

D)

undefined.

Answer:

A

Diff:

2

PageRef:

451

4)

Tosellmoreoutput,themonopolist:

A)

onlyhastoproducemore.

B)

hastolowertheproduct'sprice.

C)

mustlowerproductioncosts.

D)

hastoadvertisetheproductextensively.

Answer:

B

Diff:

2

PageRef:

452

5)

Tokeepamonopolyafirmmusthave:

A)

aperfectlyinelasticdemand.

B)

aninsurmountablebarriertoentry.

C)

marginalrevenueequaltodemand.

D)

alloftheabove.

Answer:

B

Diff:

2

PageRef:

445

6)

Alocalelectricity-generatingcompanyhasamonopolythatisprotectedbyabarriertoentrythattakestheformof:

A)

controlofakeyrawmaterial.

B)

networkexternalities.

C)

economiesofscale.

D)

noneoftheabove.

Answer:

C

Diff:

2

PageRef:

450

7)

Apatentorcopyrightisabarriertoentrybasedon:

A)

ownershipofakeynecessaryrawmaterial.

B)

largeeconomiesofscaleasoutputincreases.

C)

governmentactiontoprotectoneproducer.

D)

widespreadnetworkexternalitiesinsupplyofthegoodorservice.

Answer:

C

Diff:

2

PageRef:

445

8)

Apublicfranchiseis:

A)

ownershipofakeynecessaryrawmaterial.

B)

governmentownershipandoperationofalegalmonopoly.

C)

governmentdesignationthataprivatefirmistheonlylegalproducerofagoodorservice.

D)

anunregulatedmonopolynecessaryforthepublicgood.

Answer:

C

Diff:

2

PageRef:

445

9)

Apublicenterpriseis:

A)

anyprivatebusinessthatisnot-for-profit.

B)

governmentownershipandoperationofalegalmonopoly.

C)

governmentdesignationthataprivatefirmistheonlylegalproducerofagoodorservice.

D)

anunregulatedmonopolynecessaryforthepublicgood.

Answer:

B

Diff:

2

PageRef:

445

10)

AUnitedStatesgovernmentpatentlasts:

A)

forever.

B)

50years.

C)

20years.

D)

7years.

Answer:

C

Diff:

2

PageRef:

446

11)

Governmentsgrantpatentstoencourage:

A)

researchanddevelopmentonnewproducts.

B)

competition.

C)

lowprices.

D)

alloftheabove.

Answer:

A

Diff:

2

PageRef:

446

12)

Governmentsgrantpatentsto:

A)

compensatefirmsforresearchanddevelopmentcosts.

B)

encouragecompetition.

C)

encouragelowprices.

D)

alloftheabove.

Answer:

A

Diff:

2

PageRef:

446

13)

Patentprotectionisofvitalimportancefor:

A)

furnitureproducers.

B)

softwarefirms.

C)

pharmaceuticalfirms.

D)

automakers.

Answer:

C

Diff:

2

PageRef:

446

14)

Ownershipofakeyresourceisimportantin:

A)

aluminumproduction.

B)

nickelproduction.

C)

professionsports.

D)

allofthese.

Answer:

D

Diff:

1

PageRef:

447

15)

Anetworkexternalityis:

A)

havinganetworkofsuppliersandbuyersforagoodorservice.

B)

havinglobbyiststoadvocateapublicfranchise.

C)

agoodorservicewhoseusefulnessincreaseswiththenumberofpeopleusingit.

D)

agoodorservicethatrequiresconnectiontoanetworkforittobeuseful.

Answer:

C

Diff:

2

PageRef:

448

16)

Avirtuouscycleis:

A)

usinglobbyiststopetitionCongresstograntapublicfranchise.

B)

usingmonopolyprofitstocreatenewproductsforadditionalmonopolyprofits.

C)

attractingenoughbuyersinitiallytoincreaseaproduct'susefulnesstoattractmorebuyers.

D)

attractingenoughsalestogaineconomiesofscale.

Answer:

C

Diff:

2

PageRef:

449

17)

Foranaturalmonopolytoexist:

A)

afirmmustcontinuallybuyuprivals.

B)

afirm'slongrunaveragecostcurvemustexhibitdiseconomiesofscale.

C)

afirm'slongrunaveragecostcurvemustexhibiteconomiesofscale.

D)

afirmmusthaveapatent.

Answer:

C

Diff:

2

PageRef:

449

18)

Anaturalmonopolyischaracterizedby:

A)

largemarginalcostsrelativetofixedcosts.

B)

smallfixedcostsrelativetovariablecosts.

C)

largefixedcostsrelativetovariablecosts.

D)

fixedcoststhatareequaltovariablecosts.

Answer:

C

Diff:

2

PageRef:

450

19)

Amonopolist'sprofitmaximizingpriceandoutputis:

A)

whereaveragetotalcostaresmallest.

B)

wheretotalcostsarethesmallestrelativetoprice.

C)

wheremarginalrevenueequalsmarginalcostandchargingthepriceonmarketdemandforthatoutput.

D)

wherepriceisashighaspossible.

Answer:

C

Diff:

3

PageRef:

453

20)

Amonopoly:

A)

alwaysearnsaprofit.

B)

isapricetaker.

C)

mustlowerpricetosellmoreofitsproduct.

D)

alloftheabove.

Answer:

C

Diff:

2

PageRef:

452

21)

Ifamonopolist'spriceis$50aunitanditsmarginalcostis$25,then:

A)

tomaximizeprofitthefirmshouldincreaseoutput.

B)

tomaximizeprofitthefirmshoulddecreaseoutput.

C)

tomaximizeprofitthefirmshouldcontinuetoproducetheoutputitisproducing.

D)

notenoughinformationisgiventosaysaywhatthefirmshoulddotomaximizeprofit.

Answer:

D

Diff:

3

PageRef:

453

22)

Ifamonopolist'smarginalrevenueis$35aunitanditsmarginalcostis$25,then:

A)

tomaximizeprofitthefirmshouldincreaseoutput.

B)

tomaximizeprofitthefirmshoulddecreaseoutput.

C)

tomaximizeprofitthefirmshouldcontinuetoproducetheoutputitisproducing.

D)

notenoughinformationisgiventosaysaywhatthefirmshoulddotomaximizeprofit.

Answer:

A

Diff:

2

PageRef:

453

23)

Ifamonopolist'smarginalrevenueis$15aunitanditsmarginalcostis$25,then:

A)

tomaximizeprofitthefirmshouldincreaseoutput.

B)

tomaximizeprofitthefirmshoulddecreaseoutput.

C)

tomaximizeprofitthefirmshouldcontinuetoproducetheoutputitisproducing.

D)

notenoughinformationisgiventosaysaywhatthefirmshoulddotomaximizeprofit.

Answer:

B

Diff:

2

PageRef:

453

24)

Ifamonopolist'smarginalrevenueis$25aunitanditsmarginalcostis$25,then:

A)

tomaximizeprofitthefirmshouldincreaseoutput.

B)

tomaximizeprofitthefirmshoulddecreaseoutput.

C)

tomaximizeprofitthefirmshouldcontinuetoproducetheoutputitisproducing.

D)

notenoughinformationisgiventosaysaywhatthefirmshoulddotomaximizeprofit.

Answer:

C

Diff:

2

PageRef:

453

25)

Ifamonopolist'spriceis$50attheoutputwheremarginalrevenueequalsmarginalcostandaveragetotalcostis$43,then:

A)

thefirmsaverageprofitis$50.

B)

thefirmsaverageprofitis$43.

C)

thefirmsaverageprofitis$7.

D)

Notenoughinformationisgiventoanswerthequestion.

Answer:

C

Diff:

2

PageRef:

454

26)

Ifamonopolist'spriceis$50at63unitsofoutputandmarginalrevenueequalsmarginalcostandaveragetotalcostequals$43,thenthefirm'stotalprofitis:

A)

$3,150.

B)

$2,709.

C)

$441.

D)

$7.

Answer:

C

Diff:

3

PageRef:

454

RefertoFigure14.1forthequestionsabove.

Figure14.1

27)

Toprofitmaximizethefirminfigure14.1willproduce:

A)

Q1.

B)

Q2.

C)

Q3.

D)

Q4.

Answer:

B

Diff:

3

PageRef:

453

28)

Theprofitmaximizepriceforthefirminfigure14.1is:

A)

P1.

B)

P2.

C)

P3.

D)

P4.

Answer:

C

Diff:

3

PageRef:

453

29)

IfaveragetotalcostsareATC1,thefirminfigure14.1will:

A)

sufferaloss.

B)

breakeven.

C)

makeaprofit.

D)

facecompetition.

Answer:

C

Diff:

3

PageRef:

453

30)

IfaveragetotalcostsareATC2,thefirminfigure14.1will:

A)

sufferaloss.

B)

breakeven.

C)

makeaprofit.

D)

facecompetition.

Answer:

B

Diff:

3

PageRef:

453

31)

IfaveragetotalcostsareATC3,thefirminfigure14.1will:

A)

sufferaloss.

B)

breakeven.

C)

makeaprofit.

D)

facecompetition.

Answer:

A

Diff:

3

PageRef:

453

32)

Infigure14.1,thedifferencebetweenthemonopolyoutputandthecompetitiveoutputis:

A)

Q2-Q1.

B)

Q3-Q1.

C)

Q3-Q2.

D)

Q4-Q2.

Answer:

C

Diff:

3

PageRef:

456

33)

Economicefficiencyinamarketoccurswhen:

A)

consumersurplusismaximized.

B)

producersurplusismaximized.

C)

consumersurplusplusproducersurplusismaximized.

D)

priceisaslowaspossible.

Answer:

C

Diff:

2

PageRef:

457

34)

Aprofitmaximizingmonopolist'spriceis:

A)

equaltowhatthepricewouldbeifthemonon

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