Verified for the 2027 AP exam
AP Microeconomics Study Guide & Review
Analyze consumer and firm choices, changing market outcomes, factor markets and effective government intervention through marginal reasoning, accurate graphs, reliable calculations and evidence-based exam explanations.
- 01Learn concepts
- 02Practise questions
- 03Review mistakes
How to study AP Microeconomics
AP Microeconomics becomes manageable when every problem follows a decision rule. Use the six-unit syllabus map to identify the chooser, objective and constraint; compare marginal benefit or revenue with marginal cost; then calculate or graph the outcome. Connect elasticity to revenue and tax incidence, costs to firm output, market structure to price and efficiency, and externalities to socially efficient quantity rather than memorizing unrelated diagrams.
Rebuild a weak model in Concept and retrieve its labels, rule and calculation in Mastery before applying it in the Question Bank. Mark the first failure as assumption, axis or curve, shift, marginal condition, arithmetic, welfare area or causal explanation. Repair that exact step, redraw from memory and complete one matched question without notes.
Practise microeconomics through decisions and models
Combine marginal analysis, numerical work, accurately labelled graphs and concise causal explanations across representative AP Microeconomics markets and policy problems.
Choice, demand and elasticity
Scarcity, comparative advantage, marginal utility, supply, demand and elasticity
Identify the decision maker and constraint, then use marginal comparison or comparative advantage to justify the choice. For market changes, distinguish movement from shift, calculate elasticity before classifying it and connect the result to revenue or incidence.
Practise core choicesMarket intervention and welfare
Price controls, taxes, trade, consumer and producer surplus and deadweight loss
Draw the competitive equilibrium first, apply the policy and label traded quantity, prices paid and received and any shortage or surplus. Calculate and shade changes in surplus, tax revenue and deadweight loss before judging who gains and loses.
Practise welfareCosts and firm decisions
Production functions, short-run and long-run costs, profit, shutdown, entry and exit
Link marginal product to marginal cost, keep fixed, variable and total measures distinct and apply the profit-maximizing rule at the correct output. Read profit or loss from the graph, then separate short-run production from long-run entry or exit.
Practise firm costsMarket structures and game theory
Perfect competition, monopoly, price discrimination, monopolistic competition and oligopoly
Use one comparison sequence: assumptions, demand and marginal revenue, profit-maximizing output, price, profit, efficiency and long-run adjustment. For oligopoly, identify strategies and payoffs, find dominant strategies or Nash equilibrium and explain why incentives can undermine cooperation.
Compare market structuresFactor markets, failure and FRQs
Labor demand, monopsony, externalities, public goods, inequality and government responses
Derive labor demand from marginal revenue product and compare competitive hiring with monopsony. For externalities, separate private from social costs or benefits and locate efficient quantity. Under time, handwrite each graph, calculation and because–mechanism–outcome explanation completely.
Practise AP Micro FRQsWhere to start
Begin with one known weak Topic or use a mixed diagnostic to reveal the earliest repeated model, graph, calculation or explanation failure.
Choose your starting point
- Browse all six Units
I know the weak Topic
Open its exact Unit and identify the decision maker, marginal rule, market model, graph and calculation required.
- Start a diagnostic
I do not know what is weak
Take a mixed diagnostic and classify the first repeated error before opening another lesson or broad review set.
Choose the right starting point
- Review a Concept
Build the economic model
State assumptions and the decision rule, draw the starting graph and label every curve, axis and equilibrium.
- Check Mastery
Calculate and predict
Retrieve the formula or marginal condition, show the calculation and predict price, quantity, surplus, profit or efficiency changes.
- Practise questions
Apply, mark and repair
Complete a timed item, compare every required graph and explanation, then correct the first failed reasoning step.
AP Microeconomics exam format for 2027
The May 4, 2027 Session 2 hybrid exam has 60 digital multiple-choice questions in 70 minutes, followed by three digital-prompt, handwritten free-response questions in 60 minutes.
SourceCollege Board · AP Microeconomics ExamAP Microeconomics · May 2027 exam
AP Microeconomics questions
College Board allows a four-function calculator on both sections. Bluebook includes a Desmos four-function calculator, and students may bring up to two permitted four-function handhelds. Scientific and graphing handheld calculators are not allowed because they have storage capabilities.
College Board does not currently list AP Microeconomics among exams receiving a printed reference-information booklet. Learn the central marginal rules, calculations and graph labels, and recheck the official reference-information page near the exam instead of relying on an unofficial formula sheet.
The regular exam is Tuesday, May 4, 2027 in Session 2. Starting in 2027, the local start time depends on the school's May UTC offset, so confirm the reporting time with the AP coordinator rather than assuming Session 2 always begins at noon.
AP Microeconomics focuses on choices by consumers and firms, individual markets, factor markets and responses to market failure. AP Macroeconomics studies economy-wide outcomes such as national indicators and macroeconomic policy. Choose the Hub matching the course in which you are enrolled.