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Economics

Explore localized microeconomics and macroeconomics resources, from market equilibrium to welfare and policy analysis.

Hoppy Gold Quiz Collection

Choose a topic, then open the printable exercise or practise interactively in Hoppy.

Microeconomics: Demand, Supply and Intervention

English 10 questions

Demand and supply, consumer and producer surplus, and government intervention in markets.

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Macroeconomics: Growth, Trade and Equilibrium

English 8 questions

Economic growth, international trade, monopoly welfare, money market, and AD-AS equilibrium.

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Economics Graph

Interactive economics diagrams for senior secondary questions, covering supply and demand, elasticity, policy interventions, welfare areas, and AD-AS.

Examples

Market basics and shifts

Market equilibrium graph Market equilibrium
Demand shift graph Demand shift
Demand and supply shift graph Demand and supply shift

Elasticity cases

Inelastic demand market graph Inelastic demand
Perfectly elastic demand graph Perfectly elastic demand
Perfectly inelastic supply graph Perfectly inelastic supply

Policy changes, tax incidence, and revenue

Tightened price floor graph Tightened price floor
Tax burden with supply more elastic than demand Tax burden — supply more elastic
Tax burden with perfectly elastic demand Tax burden with perfectly elastic demand

Welfare areas and legends

Consumer and producer surplus at market equilibrium Market equilibrium: CS and PS
Price ceiling welfare graph Price ceiling: CS, PS, and DWL
Effective quota welfare and quota rent graph Effective quota: CS, PS with quota rent, and DWL
Subsidy welfare areas with demand more elastic than supply Subsidy: CS, PS, and DWL (demand more elastic)
Unit tax with perfectly elastic demand Perfectly elastic demand: tax revenue and DWL
Unit tax welfare areas with semantic legend labels CS, PS, tax revenue, and DWL legend

Intersection and area labels

Four possible market intersections labelled A to D Four possible equilibrium points A-D
Four welfare areas labelled A to D Four welfare areas A-D
Subsidy benefit split with lettered areas Subsidy benefit areas A-B

AD-AS equilibrium, gaps, and inflation

AD-AS deflationary gap graph AD-AS deflationary gap
AD-AS demand-pull inflation graph AD-AS demand-pull inflation
AD-AS cost-push inflation graph AD-AS cost-push inflation

Money market and monetary policy

Money market equilibrium graph Money market equilibrium
Money demand increase graph Money demand increase
Money supply increase graph Money supply increase and lower interest rate

International trade, barriers, and exchange-rate effects

Import tariff and tariff revenue graph Import tariff and tariff revenue
Import quota and quota rent graph Import quota and quota rent
Currency appreciation effect on export demand Currency appreciation and export demand

Monopoly pricing and welfare

Monopoly profit maximization graph Monopoly profit-maximizing price and output
Monopoly welfare areas graph Monopoly CS, PS, and DWL
Monopoly marginal cost increase graph Monopoly marginal cost increase

PPF and gains from trade

PPF efficiency point classifications Efficient, inefficient, and unattainable points
PPF biased growth graph PPF biased growth
PPF gains from trade graph Gains from trade and terms-of-trade line
Features
  • Demand and supply curve shifts with before/after equilibrium
  • Normal, elastic, inelastic, and extreme elasticity cases
  • Price ceiling, floor, quota, unit tax, and subsidy scenarios
  • Consumer surplus, producer surplus, burden, revenue, and deadweight loss shading
  • Semantic area legends for consumer surplus, producer surplus, tax revenue, and deadweight loss
  • AD-AS and money-market diagrams for macroeconomic gaps, inflation, and monetary policy
  • International trade, PPF gains from trade, and monopoly MR-MC welfare analysis
  • English and Traditional Chinese axis labels for localized economics questions
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