经济学基础chap005

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1、ANSWERSTOQUESTIONSFORDISCUSSIONANDPROBLEMSQUESTIONSFORDISCUSSION1.Isyourschoolcurrentlyproducingatcapacity(i.e.,teachingasmanystudentsaspossible)?Whatconsiderationsmightinhibitfullcapacityutilization?LO:1AACSB:AnalyticBT:CreateTheremaybeemptyseatsinyourclassroomthatindicateunusedcapacity

2、.Althoughitwouldbeimpracticaltoofferclassesaroundtheclock,capacityutilizationhasincreasedasmanyschoolshaveaddedearlymorning,night,andweekendclassestotraditionalMondaythroughFridaydaytimeclasses.Itisdifficulttoenrolltheexactnumberofstudentstofillupeachclassroomforeverycourseandevenifitwer

3、epossible,somestudentswouldstilldropoutofspecificclassesoreventheschool.Duetothenatureofoureducationalsystem,thesestudentscannotbereplacedduringthemiddleofasemester.2.Whataretheproductioncostsofyoureconomicsclass?Whatarethefixedcosts?Thevariablecosts?Whatisthemarginalcostofenrollingmores

4、tudents?LO:3AACSB:AnalyticBT:AnalyzeThefixedcostsarethecostsofprovidingtheclassroomanditsequipment,somelevelofutilities,andtheproratedshareoftheuniversity'sinfrastructureattributedtothisclass.Thevariablecostsincludethecostoftheinstructor,materials(chalkormarkers,handouts),andsomeaddition

5、alutilities.Themarginalcostofenrollingonemorestudentisnearlyzeroaslongasthereisaseatavailableintheclassroom.3・Supposeyousetupalawn-mowingserviceandrecruitedfriendstohelpyou.Wouldthelawofdiminishingreturnsapply?Explain.LO:2AACSB:AnalyticBT:AnalyzeIntheshortrun,yes.Asmoreandmorefriendshelp

6、ed,therewouldbecapitalconstraintssuchasalimitednumberoflawnmowers,rakes,etc.Sharingthetoolsreduceseachworker'sproductivity.Also^theymighttendtogetineachother'swayandbickerandfuss.Theresultwouldbetodecreasetheoutputofeachaddedworkeroverthatofthepreviousworker.4.Whatarethefixedcostsof(a)ap

7、izzashop,(b)anInternetServiceProvider,(c)acornfarm?Whoneedsthehighestsalesvolumetoearnaprofit?LO:3AACSB:AnalyticBT:Create(a)Thefixedcostsofapizzashopincluderentonthebuilding(eveniftheyownthebuildingthereisanopportunitycost)，insurance^someminimallevelofutilities(forexample