Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Asahi Ryota,An Empirical Analysis of the Impact of M&A on Effects of Multimarket Contact : The Cases of Southwest Airlines and Airtran Airways in the US Airline Industry (Structural Changes and Transport Policy in the Transport Industry),國民經濟雜誌,03873129,神戸大学経済経営学会,2017-07-10,216,1,51-61,https://cir.nii.ac.jp/crid/1390290699907361408,https://doi.org/10.24546/e0041249