经济学基础Chap005.docx
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经济学基础Chap005.docx
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经济学基础Chap005
ANSWERSTOQUESTIONSFORDISCUSSIONANDPROBLEMS
QUESTIONSFORDISCUSSION
l.Isyourschoolcurrentlyproducingatcapacity(i.e.,teachingasmanystudentsaspossible)?
Whatconsiderationsmightinhibitfullcapacityutilization?
LO:
1AACSB:
AnalyticBT:
Create
Theremaybeemptyseatsinyourclassroomthatindicateunusedcapacity.Althoughitwouldbeimpracticaltoofferclassesaroundtheclock,capacityutilizationhasincreasedasmanyschoolshaveaddedearlymorning,night,andweekendclassestotraditionalMondaythroughFridaydaytimeclasses.Itisdifficulttoenrolltheexactnumberofstudentstofillupeachclassroomforeverycourseandevenifitwerepossible,somestudentswouldstilldropoutofspecificclassesoreventheschool.Duetothenatureofoureducationalsystem,thesestudentscannotbereplacedduringthemiddleofasemester.
2.Whataretheproductioncostsofyoureconomicsclass?
Whatarethefixedcosts?
Thevariablecosts?
Whatisthemarginalcostofenrollingmorestudents?
LO:
3AACSB:
AnalyticBT:
Analyze
Thefixedcostsarethecostsofprovidingtheclassroomanditsequipment,somelevelofutilities,andtheproratedshareoftheuniversity'sinfrastructureattributedtothisclass.Thevariablecostsincludethecostoftheinstructor,materials(chalkormarkers,handouts),andsomeadditionalutilities.Themarginalcostofenrollingonemorestudentisnearlyzeroaslongasthereisaseatavailableintheclassroom.
3.Supposeyousetupalawn-mowingserviceandrecruitedfriendstohelpyou.Wouldthelawofdiminishingreturnsapply?
Explain.
LO:
2AACSB:
AnalyticBT:
Analyze
Intheshortrun,yes.Asmoreandmorefriendshelped,therewouldbecapitalconstraintssuchasalimitednumberoflawnmowers,rakes,etc.Sharingthetoolsreduceseachworker’sproductivity.Also,theymighttendtogetineachother’swayandbickerandfuss.Theresultwouldbetodecreasetheoutputofeachaddedworkeroverthatofthepreviousworker.
4.Whatarethefixedcostsof(a)apizzashop,(b)anInternetServiceProvider,(c)acornfarm?
Whoneedsthehighestsalesvolumetoearnaprofit?
LO:
3AACSB:
AnalyticBT:
Create
(a)Thefixedcostsofapizzashopincluderentonthebuilding(eveniftheyownthebuildingthereisanopportunitycost),insurance,someminimallevelofutilities(forexample,forsecurityandsignage),ovensandotherequipment,deliverycars,etc.
(b)ThefixedcostsofanInternetServiceProviderincluderentonthebuilding,thecomputerservers,thesoftwarenecessarytoprovideaccesstotheInternet,andadedicatedtelephoneline.
(c)Thefixedcostsofacornfarmincludetheland,buildings,tractors,combines,andotherequipment.
Whicheverbusinesshasthehighestfixedcostsneedsthehighestsalesvolumetoearnaprofit.
5.Owner-operatorsofsmallgasstationsrarelypaythemselvesanhourlywage.Doesthispracticereducetheeconomiccostofdispensinggasoline?
LO:
5AACSB:
AnalyticBT:
Create
No,thispracticedoesnotreducetheeconomiccostofdispensinggasoline.Itcanchangetheaccountingcost,butnottheeconomiccost.Economistsfocusonopportunitycosts;theyincludeanallowanceforhowmuchtheownercouldhaveearnedinanalternativejob.
6.IntheNewsWireonpage99,whydidMPPfalltozero?
Whatwastheopportunitycostofthosesurplusworkers?
LO:
2AACSB:
AnalyticBT:
Evaluate
Asmoreworkersarehiredinagivenplant,MPPdeclines.Iftoomanyarehired,MPPmayevenfalltozero,orless.Inthiscase,theHeadlinetellsusthatthereweresurplus,i.e.,toomany,workers.Theopportunitycosttothestateofthesurplusworkerswaswhattheycouldhavedoneelsewherehadtheynothiredthem.Or,thiscouldincludepurchasingequipmentsothattheproductivityoftheworkforcewouldincrease.
7.WhatroledoexpectationsplayintheproductionandinvestmentdecisionsdescribedintheNewsWireonpage107?
LO:
3AACSB:
AnalyticBT:
Evaluate
AccordingtotheNewsWire,NissanisexpandingtheproductionatitsBarcelonaplantbyhiringanadditional1,000workers.Nissanplanstocreateanewcompactcarandincreaseoutputofapickuptruckalreadybeingmanufacturedthere.Thisproductiondecision–afocusontheshort-runuseofexistingfacilities–isbasedontheexpectationthatconsumerswillbewillingandabletopurchasethesevehicles.
Fiat,ontheotherhand,islookingforawholenewlocationforproduction.Theyareconsideringopeningaplanttomanufacturethebrand’ssport-utilityvehiclesinRussiainanattempttoexpandJeep’sglobalreach.Thisinvestmentdecision–afocusonthelong-runacquisitionofproductivefacilities–isanattempttoexpandJeep’sglobalreach.Thisdecisionisbasedontheexpectation(aswiththeNissanexample)thatconsumerswillbewilling
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- 经济学 基础 Chap005