A.T.カーニー
Buenos Aires is classified as an Alpha – World City, according to the Loughborough University group's (GaWC) 2020 ranking. It is ranked 22nd in the 2010 ranking of global cities by the American journal "Foreign Policy", in conjunction with consulting firm A.T. Kearney and the Chicago Council on Global Affairs. (See "Global city" for the top 30 in the list.)