Dive into the foundational concepts of AP Macroeconomics Unit 2 with this episode on economic indicators and the business cycle. We break down the circular flow model, demystify GDP calculations using the expenditure approach, and explore critical distinctions like real vs. nominal GDP. Perfect for students prepping for the AP exam, this session equips you with intuitive insights to tackle tricky questions on economic measurement and its limitations.

• The circular flow model: households, firms, factor markets, product markets, leakages, and injections
• Full circular flow including government and foreign sectors
• GDP definition, expenditure approach formula: GDP = C + I + G + (X – M)
• Avoiding double counting, final vs. intermediate goods, GDP vs. GNP
• Consumption (C), inves ...