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United StatesEconomics

Unit 2: Economic Indicators and the Business Cycle

7 dot points across 7 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How does an economy move through expansions and recessions, and how do output gaps relate to unemployment and inflation?

Topic 2.7 Business Cycles: describe the phases of the business cycle, relate them to real GDP, unemployment, and inflation, and explain expansionary and recessionary output gaps relative to potential output.
A focused answer to AP Macroeconomics Topic 2.7, covering the phases of the business cycle (expansion, peak, recession, trough), real GDP fluctuations around potential output, recessionary and inflationary gaps, and how unemployment and inflation move over the cycle, with worked analysis.
11 min answer →

Who is helped and who is harmed by inflation, and why does anticipated inflation matter less than unanticipated inflation?

Topic 2.5 Costs of Inflation: explain the real costs of inflation, distinguish anticipated from unanticipated inflation, and identify how inflation redistributes income between borrowers, lenders, and people on fixed incomes.
A focused answer to AP Macroeconomics Topic 2.5, covering the costs of inflation, anticipated versus unanticipated inflation, the redistribution between borrowers and lenders, the nominal and real interest rate, and who is hurt by inflation, with worked questions.
11 min answer →

What does GDP fail to capture, and why is it an imperfect measure of a nation's well-being?

Topic 2.2 Limitations of GDP: explain why GDP omits non-market and underground activity, ignores distribution, leisure, and externalities, and why GDP per capita is used to compare living standards.
A focused answer to AP Macroeconomics Topic 2.2, covering what GDP omits (non-market production, the underground economy, distribution, leisure, externalities and quality), why GDP per capita is used to compare living standards, and the difference between GDP and well-being, with worked questions.
11 min answer →

How do we measure the price level and the rate of inflation, and what causes it?

Topic 2.4 Price Indices and Inflation: define inflation and deflation, build and use the Consumer Price Index, calculate the inflation rate, and distinguish demand-pull from cost-push inflation.
A focused answer to AP Macroeconomics Topic 2.4, covering inflation and deflation, the Consumer Price Index and the market basket, calculating the CPI and the inflation rate, demand-pull versus cost-push inflation, and biases in the CPI, with full worked calculations.
12 min answer →

How do we separate genuine changes in output from changes in prices when measuring GDP over time?

Topic 2.6 Real versus Nominal GDP: distinguish nominal from real GDP, use the GDP deflator to convert between them, and explain why real GDP is the correct measure of output growth.
A focused answer to AP Macroeconomics Topic 2.6, covering nominal versus real GDP, the GDP deflator, converting between nominal and real GDP, why real GDP measures true growth, and calculating real GDP growth rates, with full worked calculations.
12 min answer →

How does money and output flow through an economy, and how do we measure the total value of what it produces?

Topic 2.1 The Circular Flow and GDP: describe the circular flow of income and expenditure, define gross domestic product, and explain the expenditure approach using C plus I plus G plus net exports.
A focused answer to AP Macroeconomics Topic 2.1, covering the circular flow of income and expenditure, the definition of GDP, the expenditure and income approaches, what is and is not counted, and the expenditure formula, with full worked calculations.
12 min answer →

How is unemployment measured, what types exist, and what does full employment mean?

Topic 2.3 Unemployment: define the labor force and unemployment rate, calculate them, distinguish frictional, structural, and cyclical unemployment, and explain the natural rate and full employment.
A focused answer to AP Macroeconomics Topic 2.3, covering the labor force, the unemployment rate and labor force participation rate, frictional, structural and cyclical unemployment, the natural rate of unemployment, full employment, and limitations of the measure, with full worked calculations.
12 min answer →