Introduction to Macroeconomics (1950-1990) Cheat Sheet

Key Definitions

• Macroeconomics: Study of the economy as a whole, focusing on aggregate measures.

• GDP (Gross Domestic Product): Total value of all goods and services produced in a country. ✅

• Inflation: Rate at which the general level of prices for goods and services rises. ✅

• Unemployment Rate: Percentage of the labor force that is jobless and actively seeking employment. ✅

Important Concepts

Economic Growth

• Driven by investment, technological advancements, and labor force growth.

• Measured by changes in GDP.

Business Cycles

• Periodic fluctuations in economic activity, consisting of:

• Expansion: Rising GDP and employment.

• Recession: Declining GDP and rising unemployment.

Monetary Policy

• Conducted by central banks to control money supply and interest rates.

• Aims to manage inflation and stabilize currency.

Key Formulas

• C: Consumption

• I: Investment

• G: Government Spending

• X: Exports

• M: Imports

Inflation Rate = ((CPI2 - CPI1) / CPI1) * 100

• CPI: Consumer Price Index

Common Mistakes to Avoid

Common Mistake: Confusing nominal GDP with real GDP; nominal is not adjusted for inflation.

Memory Tricks

Tip: "GICE" —

• Growth

• Inflation

• Cycles

• Employment

Key Diagrams

Business Cycle Diagram:
   Expansion
      /\
     /  \
    /    \
---/      \--- Recession

GDP Components:
   C
   |
   |   I
   |   |
   |   G
   |   |
   |   X-M
   |___|___