The Global Economy is a core part of IB Economics. Revise the key concepts and common mistakes below, then lock them in with the free games.
FTAFree trade area — no internal tariffs
Customs unionFTA plus common external tariff
Common marketCustoms union + factor mobility
Monetary unionCommon market + single currency
Trade creationSwitch from costly home to cheap partner
Trade diversionSwitch from cheap non-member to costly member
Current accountTrade, income, transfers — flows
Capital accountAsset transfers, debt forgiveness
Financial accountCross-border asset transactions
Floating rateCurrency price set by market supply / demand
AppreciationCurrency rises under a floating regime
J-curveDepreciation worsens CA before improving it
Absolute advantageProduces more with same resources
Comparative advantageLower opportunity cost
What your exam board covers
Where The Global Economy sits in each exam board's specification. Tap a board to see what it lists.
HLUnit 4 — The global economy
- 4.1 Benefits of international trade (comparative advantage HL only)
- 4.2 Types of trade protection
- 4.3 Arguments for and against trade control/protection
- 4.4 Economic integration (trade creation/diversion and monetary union HL only)
- 4.5 Exchange rates
- 4.6 Balance of payments (current account, Marshall-Lerner and J-curve HL only)
- 4.7 Sustainable development
- 4.8 Measuring development
- 4.9 Barriers to economic growth and/or economic development
- 4.10 Economic growth and/or economic development strategies
Source: IB Diploma Economics guide, accessed 23 June 2026.
SLUnit 4 — The global economy
- 4.1 Benefits of international trade
- 4.2 Types of trade protection
- 4.3 Arguments for and against trade control/protection
- 4.4 Economic integration
- 4.5 Exchange rates
- 4.6 Balance of payments
- 4.7 Sustainable development
- 4.8 Measuring development
- 4.9 Barriers to economic growth and/or economic development
- 4.10 Economic growth and/or economic development strategies
Source: IB Diploma Economics guide, accessed 23 June 2026.