1.		Service customization: To upgrade or to downgrade? An investigation of how option framing affects tourists’ choice of package-tour services / Liyin Jin, Yanqun He, Haiyan Song Autor: Liyin, Jin Coautor: ; Yanqun, He Haiyan, Song COTA(S): RE-1193
2.		When does a service guarantee work? The roles of the popularity of service guarantees and firm reputation / Liyin Jin, Yunhui Huang, Yanqun He Autor: Liyin, Jin Coautor: ; Yunhui, Huang Yanqun, He COTA(S): RE-1193