Mai, Chao-ChengChao-ChengMai黃鴻2009-02-032018-06-282009-02-032018-06-281989-09http://ntur.lib.ntu.edu.tw//handle/246246/117883http://ntur.lib.ntu.edu.tw/bitstream/246246/117883/1/56.pdfen-US[SDGs]SDG17Tariffs Versus Ratio Quotas Under Duopolyjournal article10.1016/0022-1996(89)90084-6http://ntur.lib.ntu.edu.tw/bitstream/246246/117883/1/56.pdf