宏观经济学曼昆ch01

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1、CHAPTER11.Choicesmustbemadeintheuseofresourcesa.becausetheyareinfinitesupply.b.becausetheyareinfinitedemand.c.onlyiftheresourcesarenonrenewable.d.becausetheyareininfinitesupply.ANSWER:abecausetheyareinfinitesupply.TYPE:MKEY1:DSECTION:1OBJECTIVE:1RANDOM:Y2.Thecosttoanairlineoflettingitse

2、mployeesflyatnochargea.iszero.b.willdependonthevalueemployeesplaceupontravel.c.isgreaterduringtheChristmasholidaysthanmostothertimes.d.dependsonthealternativesopentotheemployees.ANSWER:CisgreaterduringtheChristmasholidaysthanmostothertimes.TYPE:MKEY1:CSECTION:1OBJECTIVE:2RANDOM:Y3.Socia

3、lsecurityprogramsareaimedatmakingthedistributionofresourcesinaneconomymorea.efficient.b.inefficient.c.equitable.d.inequitable.ANSWER:cequitableTYPE:MKEY1:CSECTION:1OBJECTIVE:2RANDOM:Y4.Theopportunitycostofbuildinganadditionalparkinglotatyourschoolisa.thecostofconcrete,labor,etc.usedtobu

4、ildthelot.a.thevalueofthepropertyandresourcesusedattheirnextbestalternativeuse.b.thevalueofthepropertyandresourcesusedatalloftheiralternativeuses.c.infinite，andsowecannotestimateit.ANSWER:bthevalueofthepropertyandresourcesusedattheirnextbestalternativeuse.TYPE:MKEY1:CSECTION:1OBJECTIVE:

5、3RANDOM:Y1.Supposeyouareconsideringgoingtothemovies，andyouplacea$12valueonyouranticipatedenjoymentofthemovie.“Theticketpriceis$6andyouwouldbegivinguptwohoursofwork，whereyouearn$5perhour.Youwouldgotoa.work;theopportunitycostofthemoviesexceedstheexpectedbenefit.b.themovies;yourincentiveis

6、the$6excessexpectedbenefit.c.themovies;yourenjoymentwillexceedthelostwagesby$2.d.themovies;thebenefitof$18exceedsthelostwages.ANSWER:awork;theopportunitycostofthemoviesexceedstheexpectedbenefit.TYPE:MKEY1:CSECTION:1OBJECTIVE:3RANDOM:Y2.MetroNorthRailwayistryingtodecidewhetherornottoruna

7、nadditionaltrainintoNewYorkCityfromNewHaven,Connecticutat8:15a.m.Thetotalcostofrunningtrainsbetween8:00a.m.and9:00a.m.is$45,000andtheexpectedrevenuesonanygivendayare$100,000duringthistimeperiod.Thecostofrunningtheadditionaltrainis$4,000anditisexpectedthatrevenueswillriseto$103,