This Principles of Economics Complete Self-Made Notes include the following contents: Introduction to microeconomics – What is economics; Thinking like an economist; Demand, supply, and market; Elasticity and its applications; The efficiency of markets; Government policy; International trade policy; Economics of public sector; Externalities; Theory of supply – The costs of production; Firms in competitive markets; Firms with market power – Monopoly, monopolistic competition, and oligopoly; Introduction to macroeconomics – Measuring the national income, cost of living, and economic growth; Saving, investment, and financial system; Inflation and unemployment; Aggregate demand (AD) and aggregate supply (AS); Monetary and fiscal policies; alongside Government policy – Inflation and unemployment trade-off; The open economy and the exchange rates.