Supply and demand 15 Materials management 6 Customer services 5 Delivery of goods 4 Industrial procurement 4 Macroeconomics 4 Marketing channels 4 Microeconomics 4 Physical distribution of goods 4 Economics 3 Management 3 Prices-- Production economics 3 Business logistics 2 Education 2 Employment forecasting 2 Forecasting 2 Intelligent transportation systems 2 Kerala-Economic development and growth-- Economic planning-- Production economics 2 Prices 2 Supply 2 Supply chain management 2 Agricultural productivity 1 Agriculture--Economic aspects 1 Agricuture Economics 1 Banks and banking 1 Business cycles 1 Classical school of economics 1 Commercial Banks 1 Commercial banks- Money supply 1 Computer industry- Employees- Supply and demand- India 1