1.		Economic impacts of visa restrictions on tourism: a case of two events in China / ShiNa Li, Haiyan Song Autor: ShiNa, Li Coautor: ; Haiyan, Song
2.		How competitive is Hong Kong against its competitors? An econometric study / Gang Li, Haiyan Song, Zheng Cao, Doris Chenguang Wu Resp- Sec.: Li, Gang Haiyan, Song Zheng, Cao Wu, Doris Chenguang