Topics: Economic Theory, Economic Principles, Economic Analysis, Market Participants, Circular Flow of Economic Activity, Consumer Choice, Maximisation of Utility, Market Demand, Price-Elasticity of Demand, demand function, Theory of Production, Optimal Input Combinations, cost functions, Profit Maximisation, National Income Determination, Government, Foreign Trade, Economy, Money Market Equilibrium, General Equilibrium, Federal Government Budget, Income, Employment, Price Level, Inflation, Output, Unemployment, Distribution of Income, Resource Allocation, Theory of Welfare Economics, Welfare Economics, Perfect Competition