International Trade
國際貿易

• Absolute advantage – 絕對優勢
• Comparative advantage – 比較優勢
• Gains from trade – 貿易得益
• Barriers to trade (e.g. tariff & quota) and their effects – 貿易障礙（如關稅和配額）及其影響
• Trade in Hong Kong – 香港的貿易