经济学原理一

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1、經濟學原理一期末考試題(A)6/17/2003學生姓名學生學號一、單選題(45分)1.Anaturalmonopolyisadesirablemarketstructurebecause:(a)Whenunregulated,itoffersafirmahigherprofitmarginwhichcreatesjobsfortheeconomy.(b)Whenregulated,itcanbeforcedtoproduceatthesameoutputlevelasanunregulatedmonopo

2、ly.(c)Itcanoffertheproductsconsumerswantatthelowestpossiblepricebecauseofeconomiesofscale.(d)Itgeneratesmorejobsfortheeconomythanacompetitivemarketstructuredoes.2.Ifprofitregulationisusedtocontrolanaturalmonopolist,thenthemonopolistislikelyto:(a)Attemptto

3、reducethecostsofproduction.(b)Inflateorpadthecostsofproduction.(c)Increasethequalityoftheirproductinanefforttoincreasesales.(d)Reducemaintenanceofplantandequipment.3.Thecaseforderegulationrestsontheargumentthat:(a)Costsofmarketfailureexceedcostsofgovernme

4、ntfailure.(b)Regulationsaremorecostlytoimplementthanthemarketfailurethatistobecorrected.(c)Regulationaidsadaptationtomarketchangesintastes,costs,andtechnology.(d)Antitrustinterventionislesscostlythanregulation.4.Theeconomiccostsofpollutioncontrolare:(a)Th

5、edollarsspentonpollution-controlequipment,administrativecosts,compliancetraining,etc.(b)Thequantityofresourcesusedtocontrolpollution.(c)Theimprovedresourceproductivityprovidedbypollutioncontrol.(d)Themosthighlyvaluedalternativegoodsandservicesthatcouldbep

6、roducediftheresourceswerenotusedtoreducepollution.5.Ifthereisnopollutionassociatedwithaneconomicactivity,socialcostsare:(a)Thefullresourcecostsofaneconomicactivity.(b)Equaltoprivatecosts.(c)Equaltothecostsofaneconomicactivitybornebytheproducer.(d)Allofthe

7、above.6.Whichofthefollowingwouldbethebestwaytousethemarketmechanismtodiscourageautomobilepollution?(a)Subsidiespaidtoautomobilecompaniesforresearchanddevelopmentofnewanti-pollutiondevicesforcars.6(a)Emissionchargesbasedontheamountofpollutionfromdifferentt

8、ypesofcars.(b)Subsidiesforvictimsofpollution.(c)Regulationoftheamountofpollutionallowedbyautomobiles.2.Anupward-slopingsupplycurveoflaborreflects:(a)Theincreasingopportunitycostoflabor.(b)Theincreaseinquantitysuppli