【作者(必填)】Pierre-Philippe Combes*[size=0.85em]†, Gilles Duranton** and Laurent Gobillon

【文题(必填)】The identification of agglomeration economies

【年份(必填)】J Econ Geogr (2011) 11 (2):253-266.

【全文链接或数据库名称(选填)】http://joeg.oxfordjournals.org/content/11/2/253.short