IB Economics HL
用 AI 助手备考 IB Economics HL (国际 · IB 文凭)。主题：Microeconomics、Macroeconomics、Global economy。提供讲解、测验和模拟试卷。
主题和子主题
- Microeconomics
- Demand & supply
- Market failure
- Macroeconomics
- Aggregate demand
- Policy
- Global economy
- Trade
- Exchange rates
- Development