Hwang, HongHongHwangPeng, Cheng-HauCheng-HauPengWu, Hsiu-LingHsiu-LingWu2018-09-102018-09-102013http://www.scopus.com/inward/record.url?eid=2-s2.0-84880329950&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/381965[SDGs]SDG17Tariffication and welfare in a differentiated duopolyjournal article10.1111/twec.12048