Economics study guides

A module overview for Singapore O-Level Economics (SEAB 2286) on demand and supply: the law of demand and why the demand curve slopes down, the law of supply and why the supply curve slopes up, the determinants that shift each curve, and the much-tested distinction between a movement along a curve and a shift of the whole curve.

A module overview for Singapore O-Level Economics (SEAB 2286) on firms, production and costs: how fixed, variable, total and average costs combine with revenue to give profit, why average cost falls then rises with economies and diseconomies of scale, the goals firms pursue beyond profit, and why firms come in different types and sizes.

A module overview for Singapore O-Level Economics (SEAB 2286) on government macroeconomic policies: how fiscal policy uses spending and taxation, how monetary policy works through interest rates and why Singapore manages its exchange rate instead, how supply-side policies raise productive capacity, and how to evaluate policies and the conflicts between macroeconomic aims.

A module overview for Singapore O-Level Economics (SEAB 2286) on international trade and globalisation: why countries specialise and trade, the gains and risks of trade, protectionism and its methods versus the case for free trade, the balance of trade and how exchange-rate changes affect exports and imports, and the causes and effects of globalisation.

A module overview for Singapore O-Level Economics (SEAB 2286) on market failure and government intervention: why free markets over-produce goods with external costs and under-provide goods with external benefits, merit and demerit goods, public goods and the free-rider problem, the effects of price controls, and the taxes, subsidies, regulation and provision governments use to respond.

A module overview for Singapore O-Level Economics (SEAB 2286) on price determination and elasticity: how equilibrium price and quantity emerge from demand and supply, how shifts change them, the formulas and interpretation of price, income and cross elasticity, the link between elasticity and total revenue, and how firms and governments apply elasticity.

A module overview for Singapore O-Level Economics (SEAB 2286) on scarcity, choice and resource allocation: why scarcity is the central economic problem, how it forces choice and creates opportunity cost, the three basic economic questions, the production possibility curve, the four factors of production, and how market, planned and mixed economies allocate scarce resources.

A module overview for Singapore O-Level Economics (SEAB 2286) on the macroeconomy and its aims: aggregate demand and its components, the circular flow of income with injections and withdrawals, economic growth and the standard of living measured by GDP, the causes and consequences of inflation, and the types, causes and costs of unemployment.