欢迎来到天天文库
浏览记录
ID:48956895
大小:280.00 KB
页数:9页
时间:2020-02-26
《克鲁格曼国际经济学答案解析.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、.Chapter31.In1986,thepriceofoilonworldmarketsdroppedsharply.SincetheUnitedStatesisanoil-importingcountry,thiswaswidelyregardedasgoodfortheU.S.economy.YetinTexasandLouisiana1986wasayearofeconomicdecline.Why?ItcandeducethatTexasandLouisianaareoil-producingstateso
2、fUnitedStates.Sowhenthepriceofoilonworldmarketsdeclined,therealwageofthisindustryfellintermsofothergoods.Thismightbethereasonofeconomicdeclineinthesetwostatesin1986.2。Aneconomycanproducegood1usinglaborandcapitalandgood2usinglaborandland.Thetotalsupplyoflaboris1
3、00units.Giventhesupplyofcapital,theoutputsofthetwogoodsdependsonlaborinputasfollows:Toanalyzetheeconomy’sproductionpossibilityfrontier,considerhowtheoutputmixchangesaslaborisshiftedbetweenthetwosectors.a.Graphtheproductionfunctionsforgood1andgood2.word范文.a.Grap
4、htheproductionpossibilityfrontier.Whyisitcurved?Q1Q2L1L2PPFThePPFiscurvedduetodecliningmarginalproductoflaborineachgood.Thetotallaborsupplyisfixed.SoasL1rises,MPL1falls;correspondingly,asL2falls,MPL2rises.SoPPgetssteeperaswemovedownittotheright.2.Themarginalpro
5、ductoflaborcurvescorrespondingtotheproductionfunctionsinproblem2areasfollows:a.Supposethatthepriceofgood2relativetothatofgood1is2.Determinegraphicallythewagerateandtheallocationoflaborbetweenthetwosectors.Withtheassumptionthatlaborisfreelymobilebetweensectors,i
6、twillmovefromthelow-wagesectortothehigh-wagesectoruntilwagesareequalized.Soinequilibrium,thewagerateisequaltothevalueoflabor’smarginalproduct.word范文.Theabscissaofpointofintersectionillustratedaboveshouldbebetween(20,30).Sinceweonlyhavetofindouttheapproximateans
7、wer,linearfunctioncouldbeemployed.ThelaborallocationbetweenthesectorsisapproximatelyL1=27andL2=73.Thewagerateisapproximately0.98.a.Usingthegraphdrawnforproblem2,determinetheoutputofeachsector.Thenconfirmgraphicallythattheslopoftheproductionpossibilityfrontierat
8、thatpointequalstherelativeprice.Q1Q2L1L2PPFTherelativepriceisP2/P1=2andwehavegottheapproximatelaborallocation,sowecanemploythelinearfunctionagaintocalculatetheapproximateout
此文档下载收益归作者所有