Subject(s): Economics -- Service in Economic analysis : Early, Classical and contemporary Economists -- Conceptualization of service : Products, industries, occupations and situations -- Categorization of services -- Inter-sectoral shifts in employment -- Empirical studies for analysing inter-sectoral shifts in employment -- Changing composition of employment in services -- Economic development and different categories of service, Changing consumption of employment in service -- Service in the national accounting framework -- Inter-temporal comparison of contribution of services , Spatial variations in the prices of services and international comparison -- Global trade in service- Theoretical issues -- Characteristics of trade in services , Barriers to trade in services and methods to measure them -- Frequency measure, Price based measures of barriers to trade in service, Quantity based measures od barriers to trade in service, Partial equilibrium models , General equilibrium models