1.		Modelling the interdependence of tourism demand: the global vector autoregressive approach / Zheng Cao, Gang Li and Haiyan Song Autor: Zheng, Cao Coautor: ; Gang, Li Haiyan, Song COTA(S): RE-1253
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 COTA(S): RE-1193