*an evaluation of menu changes and menu contents ★stock control *health and safety issues *education and training requirements ★pricing strategies ★the effectiveness of yield management(收益管理、营收管理)techniques *the effectiveness of loyalty programs ★the development and monitoring of market profiles(市场轮廓、市场概祝) *the evaluation of marketing strategies *competitors and their products ★the development and review of strategies regarding cost-efficiency(成本效益) improvements an evaluation of management and policies *the implications of legislative and statutory changes such as tax systems ★the benefits and costs of tour packaging and product clustering(产品集群) ★a longitudinal(历时、纵向)knowledge of usage patterns and trends Tourism Bodies *a destination's image *the identification of major generating regions the identification of market segments ★the development of sociodemographic profiles(特征) *the identification of community attitudes ★ an evaluation of menu changes and menu contents ★ stock control ★ health and safety issues ★ education and training requirements ★ pricing strategies ★ the effectiveness of yield management (收益管理、营收管理) techniques ★ the effectiveness of loyalty programs ★ the development and monitoring of market profiles (市场轮廓、市场概况 ) ★ the evaluation of marketing strategies ★ competitors and their products ★ the development and review of strategies regarding cost-efficiency (成本效益) improvements ★ an evaluation of management and policies ★ the implications of legislative and statutory changes such as tax systems ★ the benefits and costs of tour packaging and product clustering (产品集群) ★ a longitudinal （历时、纵向）knowledge of usage patterns and trends Tourism Bodies ★ a destination’s image ★ the identification of major generating regions ★ the identification of market segments ★ the development of sociodemographic profiles (特征) ★ the identification of community attitudes