Economics 39 Commerce 23 Operations research 23 Investments 20 Political economy 18 Management 16 Sales 16 Costs 15 Decision making 15 Business strategy 14 Development economics & emerging economies 13 Research & development management 13 Business mathematics & systems 11 Financial markets 11 Competition 9 Learning systems 9 Stochastic systems 9 Finance 8 Managers 8 Organizational theory & behaviour 8 Profitability 8 Development studies 7 Field experiment 7 Forecasting 7 Game theory 7 Machine learning 7 Personnel & human resources management 7 Risk assessment 7 Economic and social effects 6 Economic growth 6