Subject(s): Economics -- Consumer behavior -- Scope of economics, Positive and welfare economics, Methods laws and assumptions of economics , Micro and macro economics, Static and dynamic economics, Equilibrium -- Consumption -- Consumers choice and sovereignty, Theory of consumer behaviour- Cardinal utility analysis, Indifferent curve analysis, Revealed preference analysis, Cardinal utility analysis of Risky choices , Elasticity of demand, Consumer's surplus -- Production -- Law of diminishing returns , Law of returns to scale, Theory of population, Population and planning in India -- Exchange -- Demand for A firm's output , Nature and behaviour of cost, Equilibrium of the firm and the industry, Supply curve of a competitive industry, Pricing under- perfect competition , Monopoly, Duopoly and oligopoly , Monopolistic competition and selling cost, monopsony and bilateral monopoly , Representative and equilibrium firms, Inter dependent prices, Speculation -- Distribution -- national dividend , economic welfare, marginal productivity theory of distribution, rent, wage, interest, profit, inequality of income -- Classical theory of international trade, Modern theory of international trade, Free trade and protection, trade cycle, Keynesian theory of income and employment, mixed economy , economic planning