1.		Taxing tourism: enhancing or reducing welfare? / Li Sheng; Yanming Tsui Autor: Li, Sheng Coautor: ; Yanming, Tsui, co-autor COTA(S): RE-926
2.		Taxing tourism and subsidizing non-tourism: A welfare-enhancing solution to "Dutch disease"? / Li Sheng Autor: Li, Sheng COTA(S): RE-1193