Unit 2 Test: Economic Indicators and the Business Cycle
Practice AP Macroeconomics Unit 2 with tests on GDP measurement, real vs nominal GDP, CPI, unemployment types, and business cycle phases. College Board-style questions.
Overview of Unit 2 in AP Macroeconomics
Unit 2 introduces the key measures economists and policymakers use to assess the health of an economy. The College Board-style exam tests your ability to calculate real and nominal values, interpret price indices, categorize types of unemployment, and read business cycle diagrams accurately. This unit is heavily quantitative and rewards students who practice calculation-based MCQs.
GDP Measurement
Gross Domestic Product (GDP) measures the total market value of all final goods and services produced within a country in a given period. AP Macroeconomics tests four approaches to GDP: the expenditure approach (C + I + G + NX), the income approach, and the concept of value added. Students must know what is and is not included in GDP calculations — intermediate goods, for example, are excluded to avoid double counting.
Real vs Nominal GDP
Nominal GDP is measured in current prices and can rise simply because prices rose. Real GDP adjusts for inflation using a base year and is the preferred measure of actual economic growth. The GDP deflator is calculated as (Nominal GDP / Real GDP) x 100 and is tested frequently in both MCQ and FRQ formats.
Price Indices and Inflation
- Consumer Price Index (CPI) — Measures changes in the price of a fixed market basket of consumer goods over time. Used to calculate the inflation rate between two periods.
- GDP Deflator — A broader measure of price changes covering all domestically produced goods, not just a consumer basket.
Types of Unemployment
- Frictional Unemployment — Short-term unemployment arising from the time it takes workers to find new jobs. It is natural and inevitable in a dynamic economy.
- Structural Unemployment — Unemployment caused by a mismatch between workers' skills and available jobs, often due to technological change or industrial shifts.
- Cyclical Unemployment — Unemployment caused by downturns in the business cycle. It rises during recessions and falls during expansions.
The Natural Rate of Unemployment
The natural rate of unemployment equals frictional plus structural unemployment. When the economy is at full employment, cyclical unemployment is zero. This concept connects directly to the long-run Phillips curve in Unit 5.
Business Cycle Phases
The business cycle describes recurring fluctuations in real GDP over time. Students must identify and interpret the four phases — expansion, peak, contraction (recession), and trough — from a business cycle diagram. AP FRQs may ask you to identify where in the cycle an economy is based on data about unemployment, output, or inflation.