Airport cities and metropolitan labor markets: an extension and response to Cidell
利用美国51个大都市区的人口普查数据，研究机场周边就业集聚（机场城市）的规模、形成机制及其与城市空间形态的关系，发现机场城市主要由土地成本和集聚效益驱动，而非航空业本身。
Using Census 2000 CTPP tract-level data for the 51 largest U.S. metropolitan areas, airport cities—agglomerations of employment anchored by airports—are placed in the context of metropolitan spatial form in order to understand their emergence and function. Major airports anchor significant concentrations of employment which average one-third to one-half the size of the respective CBDs, depending upon the operationalization, while 80% of the airports anchor employment agglomerations. Airport cities are anchored by airports but not driven by aviation. The relationship between spatial form and economic function suggests that need for airport access determines the location of transportation-providing employment while spatial employment filtering, based on urban land costs and agglomeration benefits, are responsible for the presence of transportation-supporting and transportation-using employment, such as producer services.