What does a binding price ceiling create?
Correct answer: A shortage
Why: A binding ceiling is below equilibrium, so quantity demanded exceeds quantity supplied and a shortage results.
AP Microeconomics Practice Questions
Answer original AP-style diagnostic questions, review explanations, and identify the next unit to study.
AP Microeconomics diagnostic practice set
These are original practice questions, not copied College Board items. Use official released questions for final calibration.
Question 1 of 3
Review the reasoning after you finish
The interactive set keeps answers hidden while you work. This review section remains crawlable and gives every student a complete correction path after the attempt.
When shutdown conditions permit production, where does a profit-maximizing perfectly competitive firm choose output?
Correct answer: $MR=MC$
Why: The firm chooses the quantity where $MR=MC$, provided operating is preferable to shutting down.
With a negative production externality, how does marginal social cost compare with marginal private cost?
Correct answer: $MSC>MPC$
Why: External damage adds a cost borne by others, so $MSC=MPC+$ marginal external cost and therefore $MSC>MPC$.
Practise each section under its own calculator rule
Practising with a calculator you will not be handed is the most common way a practice score stops predicting an exam score. Set each practice block up to match the section it rehearses.
| Section or part | What you may use | What that means for your work |
|---|---|---|
| Multiple choice | Four-function calculator | The math is elasticity, marginal values from a table, and small profit calculations. |
| Free response | Four-function calculator | Show the formula and the substitution. Marginal values come from differences between rows, so write the subtraction. |
| Not provided | No formula sheet | Elasticity, the profit-maximising rule, and the cost relationships have to be memorised. |
How practice should cover the complete course
Basic Economic Concepts
Scarcity, trade, marginal analysis
12–15%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Supply and Demand
Equilibrium, controls, elasticity, welfare
20–25%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Production, Cost, and Perfect Competition
Costs, profit, firm decisions
22–25%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Imperfect Competition
Monopoly, oligopoly, game theory
15–22%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Factor Markets
Labor and resource demand
10–13%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Market Failure and Government
Externalities, public goods, inequality
8–13%: practice one recognition question, one direct application, and one mixed prompt that requires you to choose this unit without being told.
Use the result to focus your AP Microeconomics review
Read the score as a map, not a verdict
Each answer shows a relationship between course knowledge and an exam decision. A miss may mean that a definition is unclear, a representation was misread, or the right method was not selected. Compare each miss with these AP Microeconomics priorities before choosing the next unit or practice set.
- Marginal decision rules
- Elasticity and total revenue
- Cost-curve relationships
- Market versus firm graphs
- Deadweight loss and policy
Next steps after the AP Microeconomics diagnostic
Use a four-step correction cycle
- Write the rule or idea behind every miss.
- Solve a second problem of the same type without looking back.
- Mix that skill with two older units tomorrow.
- Complete official released questions under authentic timing.
Questions about AP Microeconomics exam practice
How many questions are on the AP Microeconomics exam?
The published format is 60 questions on multiple choice and 3 questions on free response. Multiple choice — About 1.2 minutes each. Most items are one marginal comparison or one graph shift away from the answer. Free response — One long question and two shorter ones. Sketch the graphs first, then write - it is faster than writing then correcting.
Which AP Microeconomics units should I practise first?
Start with the heaviest published weightings: Supply and Demand (20–25%), Production, Cost, and Perfect Competition (22–25%), Imperfect Competition (15–22%). Then repair whichever earlier unit those depend on.
Can I use a calculator while I practise for AP Microeconomics?
Only where the exam allows one, and practising otherwise builds the wrong habit. Multiple choice: The math is elasticity, marginal values from a table, and small profit calculations. Free response: Show the formula and the substitution. Marginal values come from differences between rows, so write the subtraction. Not provided: Elasticity, the profit-maximising rule, and the cost relationships have to be memorised.
What is the most common way students lose points on AP Microeconomics?
A perfectly competitive firm's demand curve is horizontal at the market price. Drawing it downward-sloping breaks the whole question.
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