資源描述：
《The Area and Population of Cities .pdf》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、AmericanEconomicReview101(August2011):2205–2225http://www.aeaweb.org/articles.php?doi=10.1257/aer.101.5.2205TheAreaandPopulationofCities:NewInsights?fromaDifferentPerspectiveonCitiesByHernánD.Rozenfeld,DiegoRybski,XavierGabaix,andHernánA.Makse*Thispaperbuildsonarecentlyproposedalgori
2、thmtoconstructcitiesbasedongeographicalfeaturesofhigh-qualitymicrodata(HernánD.Rozenfeldetal.2008),ratherthaninformativebutsomewhatarbitrarylegaloradministrativedefinitions.Itallowsustotakeafreshlookatkeyquantitiesinurbaneconomics,namelythepopu-lationandtheareaofcities.WefindthatZipf
3、’slawforpopulationholdsquitewell,andwellbelowtheveryuppertailofthecitysizedistribution,whereithadbeenshowntoholdtoagooddegreeofapproximation(GabaixandYannisM.Ioannides2004).Wealsofindthatthedistributionofcityareasfollowsapowerlaw,withanexponentclosetoone,theZipfvalue.Thesefindingshel
4、pconstrainfurthertheoriesofcitiesandtheoriesofgeography.Akeydifficultyinstudyingcitiesisfindingapracticalwaytodefinethem(GeorgeK.Zipf1949;PaulKrugman1996;JonathanEatonandZviEckstein1997;LindaHarrisDobkinsandIoannides2001;JanEeckhout2004;KwokTongSoo2005;Batty2006).Acanonicalmethodinvo
5、lvesdefiningMetropolitanStatisticalAreas(MSAs)obtainedintheUnitedStatesfromtheOfficeofManagementandBudgetandavail-ablefromtheUSCensusBureau(2009).MSAsaredefinedforeachmajoragglomer-ationandattempttocapturetheirextentbymergingadministrativelydefinedentities,countiesintheUS,basedonthei
6、rsocialoreconomicties(othercountriesusesimilarcriteria).Forinstance,theMSAofBoston,MA,includesnotonlytheadministrativeunitofBoston,butalsoadjacentCambridge.MSAsderivetheirappealfromastrongeconomiclogic,buttheirconstructionrequiresqualitativeanalysisandisverytime-consuming.Therefore,M
7、SAshavebeenconstructedonlyforthe276mostpopulatedcitiesintheUS,andthecorrespondingZipf’slawhasbeendocumentedonlyfortheuppertailofthedistribution(GabaixandIoannides2004;Soo2005).TwomainalternativestotheMSAshavebeenproposedintheliterature.Onemethodistouseadministrativeorlegalbordersofci
8、tiestodefine
