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100+ Free CLEP Principles of Microeconomics Practice Questions

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A firm's marginal cost is best defined as which of the following?

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B
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Key Facts: CLEP Principles of Microeconomics Exam

80

approximate multiple-choice questions on the exam

College Board

90 minutes

time limit for the exam

College Board

20-80

score scale, with 50 the ACE credit-granting score

College Board / ACE

3 semester hours

credit ACE recommends for a score of 50 or higher

ACE

$97

exam fee, plus a test-center administration fee

College Board

25%-35%

of the exam covers the theory of the firm and market structures

College Board

CLEP Principles of Microeconomics has about 80 multiple-choice questions in 90 minutes and is scored from 20 to 80, with 50 the ACE credit-granting score most colleges accept for 3 semester hours. The exam is heavily weighted toward product markets: supply and demand with elasticity (20%-25%) and the theory of the firm and market structures (25%-35%) together make up more than half the test. Registration costs $97 plus a test-center administration fee, and many test-takers prepare free using the Modern States course (source: College Board, clep.collegeboard.org).

Sample CLEP Principles of Microeconomics Practice Questions

Try these sample questions to test your CLEP Principles of Microeconomics exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Microeconomics is best described as the branch of economics that studies which of the following?
A.The decisions of individual consumers, firms, and markets and how they allocate scarce resources
B.The behavior of the overall economy, including inflation and national unemployment
C.The total output of all nations measured by gross domestic product
D.The management of a country's money supply by its central bank
Explanation: Microeconomics focuses on the decisions of individual economic units such as households and firms, and on how prices coordinate the allocation of scarce resources in specific markets. Macroeconomics, by contrast, studies economy-wide aggregates like GDP, inflation, and national unemployment.
2The opportunity cost of attending college full time for a year is best defined as which of the following?
A.Only the tuition and fees paid to the college
B.The value of the best alternative given up, such as wages from a full-time job plus other forgone opportunities
C.The total of tuition, fees, books, and living expenses
D.Zero, because education is an investment rather than a cost
Explanation: Opportunity cost is the value of the next-best alternative forgone when a choice is made. For a full-time student, it includes the explicit costs that would not otherwise be paid plus the implicit cost of wages and other opportunities given up to attend.
3A point lying inside (below) a country's production possibilities curve indicates which of the following?
A.Production that is currently unattainable with available resources
B.Production that uses resources fully and efficiently
C.Production that is inefficient because some resources are unemployed or underused
D.The maximum combination of two goods the economy can produce
Explanation: Points inside the production possibilities curve are attainable but inefficient: the economy could produce more of at least one good without producing less of another. This signals unemployed or underutilized resources. Points on the curve are efficient, and points beyond it are unattainable with current resources.
4A production possibilities curve that is bowed outward (concave to the origin) reflects which economic principle?
A.Constant opportunity costs as production shifts between goods
B.The law of demand
C.Decreasing opportunity costs due to economies of scale
D.Increasing opportunity costs as more of one good is produced
Explanation: A bowed-outward PPC illustrates the law of increasing opportunity cost: as an economy produces more of one good, it must give up increasing amounts of the other because resources are not equally suited to producing both goods. A straight-line PPC, by contrast, would imply constant opportunity costs.
5Country A can produce a unit of cloth by giving up 2 units of wine, while Country B gives up 4 units of wine per unit of cloth. Based on comparative advantage, which country should specialize in cloth?
A.Country A, because its opportunity cost of cloth is lower
B.Country B, because its opportunity cost of cloth is higher
C.Neither, because both have the same absolute advantage
D.Both should produce only cloth to maximize world output
Explanation: Comparative advantage goes to the producer with the lower opportunity cost. Country A gives up only 2 units of wine per unit of cloth versus Country B's 4 units, so Country A should specialize in cloth and Country B in wine. Specialization by comparative advantage raises total combined output.
6In a purely market (capitalist) economic system, the central questions of what to produce, how to produce, and for whom are answered primarily by which mechanism?
A.Central planning by a government agency
B.The price system and the interaction of supply and demand
C.Tradition handed down across generations
D.Random allocation through a lottery
Explanation: In a market economy, decentralized decisions by buyers and sellers, coordinated through prices, determine what is produced, how, and for whom. Prices act as signals that allocate resources without central direction, a process Adam Smith described as the invisible hand.
7A rational decision maker who follows marginal analysis will undertake an additional unit of an activity as long as which condition holds?
A.Total benefit is greater than zero
B.Average cost is falling
C.Marginal benefit is greater than or equal to marginal cost
D.Total cost is less than total revenue
Explanation: Marginal analysis compares the additional benefit of one more unit with its additional cost. A rational agent continues the activity while marginal benefit is at least as large as marginal cost and stops where they are equal, which maximizes net benefit.
8Which of the following is the best example of a normative economic statement?
A.A rise in the minimum wage tends to reduce employment among low-skilled workers
B.An increase in the price of gasoline reduces the quantity demanded
C.When demand increases and supply is unchanged, the equilibrium price rises
D.The government ought to raise taxes on the wealthy to reduce inequality
Explanation: Normative statements express value judgments about what ought to be and cannot be settled by facts alone. The claim that the government ought to raise taxes is a prescription about policy. The other choices are positive statements describing cause-and-effect relationships that can be tested against evidence.
9The fundamental economic problem that gives rise to the study of economics is best described as which of the following?
A.Scarcity: unlimited wants confronting limited resources
B.Inflation caused by excessive money growth
C.Government regulation of private business
D.Unequal distribution of income across households
Explanation: Scarcity is the root economic problem: human wants are essentially unlimited while the resources to satisfy them are limited. Because of scarcity, every society must make choices about how to allocate resources, which is what economics studies.
10Which of the following is considered a factor of production classified as 'capital' in economics?
A.Money held in a company's bank account
B.A factory's machinery used to manufacture goods
C.A corporate bond issued by the firm
D.Shares of stock owned by investors
Explanation: In economics, capital refers to manufactured resources used to produce other goods and services, such as machinery, tools, and buildings. Money and financial instruments are 'financial capital,' not the economic factor of production known as physical capital.

About the CLEP Principles of Microeconomics Exam

CLEP Principles of Microeconomics is a College Board credit-by-examination test covering the material of a one-semester introductory college microeconomics course. The computer-based exam has about 80 multiple-choice questions and a 90-minute time limit. It is scored on a 20-80 scale, and the American Council on Education recommends granting 3 semester hours of credit for a score of 50 or higher, though each college sets its own policy.

Questions

80 scored questions

Time Limit

90 minutes

Passing Score

50 (on a 20-80 scale)

Exam Fee

$97 plus a test-center administration fee (College Board)

CLEP Principles of Microeconomics Exam Content Outline

8%-14%

Basic Economic Concepts

Scarcity, opportunity cost, the production possibilities curve, comparative advantage, marginal analysis, and economic systems.

20%-25%

Supply and Demand, Including Elasticity

Demand and supply shifts, equilibrium, price elasticity, consumer and producer surplus, and price controls.

5%-15%

Theory of Consumer Choice

Total and marginal utility, diminishing marginal utility, and the utility-maximizing rule.

25%-35%

Theory of the Firm and Market Structures

Production and cost analysis, profit maximization, and perfect competition, monopoly, monopolistic competition, and oligopoly.

10%-18%

Factor Markets

Derived demand, marginal revenue product, the input hiring rule, and wage determination.

12%-18%

Market Failure and the Role of Government

Externalities, public goods, antitrust and regulation, income distribution, and taxes.

How to Pass the CLEP Principles of Microeconomics Exam

What You Need to Know

  • Passing score: 50 (on a 20-80 scale)
  • Exam length: 80 questions
  • Time limit: 90 minutes
  • Exam fee: $97 plus a test-center administration fee

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

CLEP Principles of Microeconomics Study Tips from Top Performers

1Master supply and demand and the theory of the firm first — together they are over half the exam.
2Practice reading and shifting graphs: production possibilities curves, supply/demand diagrams, and cost curves appear constantly.
3Memorize the profit-maximization rule (produce where MR = MC) and how it differs across perfect competition, monopoly, and the imperfect structures.
4Learn the elasticity formulas and what makes demand elastic versus inelastic, including the total-revenue test.
5Use the free Modern States course to fill content gaps and qualify for a voucher that can cover your exam fee.

Frequently Asked Questions

How many questions are on the CLEP Principles of Microeconomics exam and how long is it?

The exam has approximately 80 multiple-choice questions and a 90-minute time limit. It is delivered on a computer at a CLEP test center.

What score do I need to pass CLEP Microeconomics?

CLEP exams are scored on a 20-80 scale. The American Council on Education recommends a score of 50 to earn 3 semester hours of credit, but each college sets its own minimum, so confirm your school's policy.

What content is most heavily tested on CLEP Microeconomics?

Product markets dominate the exam. Supply and demand with elasticity (20%-25%) and the theory of the firm and market structures (25%-35%) together account for over half of the questions.

How much does the CLEP Microeconomics exam cost?

The CLEP exam fee is $97, plus a separate administration fee charged by the test center. Many active-duty military members can take CLEP exams for free through DANTES funding.

Can I use a calculator on the CLEP Microeconomics exam?

A nonprogrammable calculator is built into the testing software for the parts of the exam where it is appropriate. You do not bring your own calculator.

How can I prepare for CLEP Microeconomics for free?

The College Board partners with Modern States, which offers a free online Principles of Microeconomics course that can cover the CLEP exam fee through a voucher for eligible learners.