Topics: MacroEconomic Theory, Macroeconomics, Macroeconomic Analysis, Macro Statics, Macro Dynamics, Comparative Statics.Consumption, Saving, Investment, National Income Models, Multiplier, Inflationary Gap, Deflationary Gap, Money, Barter System, Commercial Bank, Money Creation, Macroeconomic Policy Framework, evolution of money, nature of money, demand of money, supply of money, Macroeconomic Policy objectives, Internal Balance, External Balance, Economic Growth, Economic Development, Growth Theories, growth