Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "江口, 潜",Does Infant-Industry Protection by Tariff Enhance the Competitiveness of that Industry? : The Case of Bertrand market with Vertical Product Differentiation,新潟産業大学経済学部紀要,13411551,新潟産業大学経済学部,2016-07,,47,1-7,https://cir.nii.ac.jp/crid/1050282813917862528,