IndietroMicroeconomics Exam 1 Study Guidance
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Q1. Which characteristic is essential for a statement to be considered positive?
Background
Topic: Positive and Normative Analysis
This question tests your understanding of the difference between positive (objective, testable) and normative (subjective, opinion-based) statements in economics.
Key Terms:
Positive Statement: A statement that can be tested or verified.
Normative Statement: A statement that expresses a value judgment or opinion.
Final Answer: b. It must be testable and verifiable.
Positive statements are those that can be tested and verified, regardless of whether they are true or false.
Q2. Why is it assumed that people are rational in economic models?
Background
Topic: Three Key Economic Ideas
This question examines the assumption of rationality in economic models, which is foundational for predicting behavior.
Key Terms:
Rationality: The assumption that individuals make decisions to maximize their benefit given available information.
Economic Model: A simplified representation of reality used to analyze economic behavior.
Final Answer: a. Because they aim to avoid self-destructive behavior.
Economic models assume rationality because people generally try to make choices that benefit themselves, not necessarily because they are perfect or profit-driven.
Q3. How do supply and demand interact to determine the market price of a good?
Background
Topic: Introduction to Economics
This question tests your understanding of the basic mechanism by which prices are set in a market economy.
Key Terms and Formulas:
Supply Curve: Shows the relationship between price and quantity supplied.
Demand Curve: Shows the relationship between price and quantity demanded.
Equilibrium: The point where supply and demand intersect.
Final Answer: a. Market price is determined by the intersection of supply and demand curves.
The equilibrium price is found where the supply and demand curves intersect.
Q4. On a production possibilities curve, what do points on the curve represent?
Background
Topic: Productive and Allocative Efficiency
This question tests your understanding of the production possibilities curve (PPC/PPF) and what points on the curve signify.
Key Terms:
Production Possibilities Curve (PPC/PPF): A graph showing the maximum combinations of goods that can be produced.
Productive Efficiency: Using all resources fully and efficiently.
Allocative Efficiency: Producing the mix of goods most desired by society.
Final Answer: d. Productive efficiency, where resources are fully utilized.
Points on the curve represent productive efficiency—using all resources efficiently.
Q5. Consider the statement: 'The government should increase the minimum wage to improve living standards.' How does the phrasing indicate whether it is positive or normative?
Background
Topic: Positive and Normative Analysis
This question tests your ability to distinguish between positive and normative statements based on their wording.
Key Terms:
Normative Statement: Expresses a value judgment, often using words like 'should'.
Positive Statement: Describes facts or testable claims.
Final Answer: c. The use of 'should' indicates it is a normative statement.
The word 'should' signals a value judgment, making the statement normative.
Q6. Which of the following best describes marginal benefit?
Background
Topic: Marginal Analysis
This question tests your understanding of the concept of marginal benefit in economics.
Key Terms:
Marginal Benefit: The additional benefit from consuming one more unit of a good.
Marginal Cost: The additional cost from producing one more unit.
Final Answer: b. The additional satisfaction from consuming one more unit of a good.
Marginal benefit is the extra benefit gained from consuming one more unit.
Q7. What is an economic incentive?
Background
Topic: People Respond to Incentives
This question tests your understanding of what motivates economic behavior.
Key Terms:
Economic Incentive: A reward or penalty that influences choices.
Final Answer: d. A financial reward or penalty that motivates individuals to take certain actions.
Economic incentives are rewards or penalties that influence behavior.
Q8. What does the Production Possibilities Frontier (PPF) represent in an economy?
Background
Topic: Production Possibilities Frontier (PPF)
This question tests your understanding of what the PPF shows about an economy's production capabilities.
Key Terms:
PPF: Shows the maximum possible combinations of two goods that can be produced.
Resources: Inputs used in production.
Technology: The methods used to produce goods.
Final Answer: c. The maximum combinations of two goods that can be produced with available resources and technology.
The PPF shows the trade-offs and limits of production given current resources and technology.
Q9. Which of the following scenarios best illustrates labor as a factor of production?
Background
Topic: Factors of Production
This question tests your understanding of the four factors of production: land, labor, capital, and entrepreneurship.
Key Terms:
Labor: Human effort used in production.
Capital: Tools, machinery, and equipment.
Land: Natural resources.
Entrepreneurship: Organizing the other factors.
Final Answer: d. A teacher preparing lesson plans
Labor is illustrated by the teacher's work in preparing lesson plans.
Q10. If Country A can produce 10 cars or 5 trucks with the same resources, what is the opportunity cost of producing one car?
Background
Topic: PPF - Comparative Advantage and Trade
This question tests your understanding of opportunity cost and how to calculate it using production possibilities.
Key Terms and Formulas:
Opportunity Cost: The value of the next best alternative foregone.
PPF: Shows trade-offs between two goods.
Final Answer: c. 0.5 trucks
For each car produced, Country A gives up 0.5 trucks.
Q11. In a perfectly competitive market, which factor is most likely to affect the demand for a product?
Background
Topic: Introduction to Supply and Demand
This question tests your understanding of what influences demand in a competitive market.
Key Terms:
Demand: The quantity of a product consumers is willing and able to buy.
Perfect Competition: Many buyers and sellers, no single entity controls price.
Final Answer: b. Consumer preferences.
Consumer preferences are a primary determinant of demand.
Q12. What is the primary difference between a movement along a demand curve and a shift in the demand curve?
Background
Topic: Individual Demand and Market Demand
This question tests your understanding of how changes in price versus other factors affect demand curves.
Key Terms:
Movement Along Demand Curve: Caused by a change in price.
Shift in Demand Curve: Caused by changes in other determinants (income, preferences, etc.).
Final Answer: a. A movement along the demand curve is caused by a change in price, while a shift in the demand curve is caused by changes in other determinants of demand.
Price changes cause movement along the curve; other factors cause shifts.
Q13. Which of the following factors is NOT part of the NESTS acronym for supply shifts?
Background
Topic: Overview of Supply and Demand Shifts
This question tests your knowledge of the determinants of supply and the NESTS acronym.
Key Terms:
NESTS: Acronym for determinants of supply (Nature, Expectations, Subsidies, Technology, Taxes).
Final Answer: b. Technology
Technology is part of NESTS, so the correct answer is the one not included.
Q14. In microeconomics, what do the notations P* and Q* represent?
Background
Topic: Supply and Demand Together: Equilibrium, Shortage, and Surplus
This question tests your understanding of equilibrium notation in supply and demand analysis.
Key Terms:
P*: Equilibrium price
Q*: Equilibrium quantity
Final Answer: d. Equilibrium price and equilibrium quantity
P* and Q* are standard notations for equilibrium price and quantity.
Q15. What are the axes labeled on a typical supply curve graph?
Background
Topic: Individual Supply and Market Supply
This question tests your understanding of how supply curves are graphed.
Key Terms:
Supply Curve: Graph showing relationship between price and quantity supplied.
Final Answer: b. Price and quantity
The axes are labeled price (vertical) and quantity (horizontal).
Q16. How does an increase in consumer income affect the demand for normal goods?
Background
Topic: Shifting Demand
This question tests your understanding of how income changes affect demand for different types of goods.
Key Terms:
Normal Goods: Goods for which demand increases as income increases.
Inferior Goods: Goods for which demand decreases as income increases.
Final Answer: b. Demand for normal goods increases.
As income rises, demand for normal goods increases.
Q17. According to the law of supply, what happens to the quantity supplied of a good when its price increases?
Background
Topic: The Basics of Supply
This question tests your understanding of the law of supply.
Key Terms:
Law of Supply: As price increases, quantity supplied increases.
Final Answer: b. The quantity supplied increases.
According to the law of supply, higher prices lead to higher quantity supplied.
Q18. What is producer surplus?
Background
Topic: Willingness to Sell and Producer Surplus
This question tests your understanding of producer surplus and how it is calculated.
Key Terms and Formulas:
Producer Surplus: The difference between the market price and the minimum price a supplier is willing to accept.
Key Formula:
Final Answer: d. The difference between the market price and the minimum price suppliers are willing to sell their goods.
Producer surplus is the extra benefit suppliers receive above their minimum acceptable price.
Q19. How does a per unit tax affect the price paid by the buyer and the amount received by the seller?
Background
Topic: Introducing Taxes and Tax Incidence
This question tests your understanding of tax incidence and how taxes affect buyers and sellers.
Key Terms and Formulas:
Tax Incidence: The division of the tax burden between buyers and sellers.
Per Unit Tax: A fixed tax amount per unit sold.
Final Answer: d. The buyer pays the price of the unit plus the tax, while the seller receives the price minus the tax.
A per unit tax increases the price buyers pay and decreases the amount sellers receive.
