AP Macroeconomics: Complete Study Guide and Revision Hub

AP Macroeconomics: Complete Study Guide

Every macroeconomics topic, in the order the subject builds — measuring the economy first, then explaining it, then the policy tools used to steer it.

How to use this page. Macro has a natural sequence that most courses follow: you learn to measure the economy (GDP, inflation, unemployment), then to model it (AD–AS, the multiplier), then to influence it (fiscal and monetary policy). Policy questions carry the most marks and the most evaluation credit, but they are impossible to answer well without the measurement units underneath. Start at Unit 1 unless you already know why real GDP and nominal GDP differ.

Unit 1 — National Income Accounting

Measuring the size of an economy, and the limits of every measure.

• Circular Flow of Income — injections, leakages and the national income identity.
• GDP: Introduction and Usage
• Three Approaches to Calculating GDP — production, expenditure and income.
• Nominal GDP, Real GDP and the GDP Deflator
• GDP Growth Rate and Calculation
• GDP Per Capita
• Difference Between GDP and GNP
• Measuring Living Standards by GNI
• Major Problems With Using GDP
• Everything About GDP — the full accounting framework in one place.
• The Economic Goals of a Country
• Cracking Economic Indicators

Unit 2 — Inflation

What it is, how it is measured, what causes it, and who actually pays for it.

• What Is Inflation? Definition, Measurement and Costs
• What Causes Inflation? Demand-Pull, Cost-Push and the 2021–2024 Lessons
• Demand-Pull vs Cost-Push Inflation and Stagflation
• Consumer Price Index: Construction, Bias and Interest Rates
• CPI and Long-Term Interest Rates
• Economic Impact of Inflation — who wins and who loses.
• Anticipated and Unanticipated Inflation
• Balanced and Unbalanced Inflation
• Inflation vs Deflation vs Disinflation
• Understanding Inflation: Causes and Effects

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Unit 3 — Unemployment and the AD–AS Model

The core diagram of macroeconomics, and the labour market it explains.

Unemployment

• Unemployment Rate: Definition, Measurement and Okun’s Law
• Types of Unemployment — frictional, structural, cyclical and seasonal.

Aggregate demand and supply

• Aggregate Demand
• Shifts in the Aggregate Demand Curve
• Aggregate Supply vs Market Supply
• Long-Run vs Short-Run Aggregate Supply
• The Classical Economic Model
• The Multiplier Effect — definition, calculation and types.
• Taxes and Their Types

Unit 4 — Money, Banking and Monetary Policy

How money works, and how central banks use it to steer the economy.

• What is Money? — functions and monetary aggregates.
• Commodity Money vs Fiat Money
• Quantity Theory of Money
• Central Banks: Functions, Tools, Independence and Credibility
• A Look Into Central Banks’ Monetary Policies
• Credit Control by the Central Bank
• The Role of Central Banks in Controlling Inflation
• Quantitative Easing and the Zero Lower Bound
• Bank-Based vs Market-Based Economies

Unit 5 — Growth and Development

What makes economies grow over the long run, and how development is measured.

• The Solow Growth Model — steady state, the Golden Rule, and why saving does not cause long-run growth.
• Measures of Economic Development: GDP Per Capita, HDI and Beyond
• Factors and Determinants of Growth in China

This hub covers the AP Macroeconomics syllabus and maps closely onto Cambridge A-Level 9708 Papers 2 and 4, and IB Economics. For the micro side, see the AP Microeconomics guide. For statistics, see the AP Statistics guide.