analysis of economies of size and density for short line…

analysis of economies of size and density for short line…

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时间:2019-02-24

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1、ANALYSISOFECONOMIESOFSIZEANDDENSITYFORSHORTLINERAILROADSPhilipAnthonyFischerJohnBitzanDenverTolliverNorthDakotaStateUniversityFargo,NorthDakotaOctober2001AcknowledgmentsThisreporthasbeenpreparedwithfundsprovidedbytheUnitedStatesDepartmentofTransportationtotheMountainPlai

2、nsConsortium(MPC).AspecialthankstoGeneGriffinandtheMPCinobtainingthisfunding.ThisreportwaswritteninpartialfulfillmentoftherequirementsforaMastersDegreeinAgriculturalEconomicsatNorthDakotaStateUniversity.TheauthorwouldliketothankJohnBitzan,DemceyJohnson,VinodLall,WilliamN

3、jange,andDenverTolliverfortheirassistanceandguidancethroughoutthestudy.Also,Iwouldliketothankmyfriendswhoassistedwithguidanceandproofreading,especiallyJonLee,KevinKermes,JasonSayler,andRobertWagner.DisclaimerThecontentsofthisreportreflecttheviewsoftheauthors,whoarerespon

4、sibleforthefactsandaccuracyoftheinformationpresentedherein.ThisdocumentisdisseminatedunderthesponsorshipoftheDepartmentofTransportation,UniversityTransportationCentersProgram,intheinterestofinformationexchange.TheU.S.governmentassumesnoliabilityforthecontentsorusethereof

5、.ABSTRACTAftertheStaggersRailAct,ClassIrailroadswereallowedmoreflexibilitytosellandabandonsectionsofrailtrack.Thesesectionsoftrackwerelessprofitableandhadlimiteddensitypermile.Muchofthistrackwastakenoverbyrailcarriersknownasshortlines,whichhavehadmixedresults,withmanyoft

6、hembeingviablewhileotherswerenot.Thisstudyexaminestheseshortlinestodeterminewhatmakesthemviableandefficient.Previousresearchstudieshavenotaddressedthisissueadequatelybecauseofthedatausedandtheadvancementsintechniquesthathavetakenplacesince.Therehasnotbeenarecentstudyonth

7、eshortlinerailroadindustrythathasutilizedtheTranslogCostFunction.Furthermore,thedatausedinthisstudyweresuppliedbytheshortlinesthroughuseoftheAmericanShortLineDatabase,whichwascompiledbytheUpperGreatPlainsTransportationInstitute.Thisstudydemonstratedthatshortlinescouldach

8、ievegreatercostsavingsiftheyweretoincreasetheirdensity(revenuetonmilespermile)andtheirsize(mileofroad).

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