#1
Which of the following is NOT a characteristic of a perfectly competitive market?
Barriers to entry
ExplanationPerfect competition lacks barriers to market entry.
#2
What does the term 'opportunity cost' refer to in economics?
The cost of alternative options foregone when a decision is made
ExplanationCost of the next best alternative foregone.
#3
In the context of microeconomics, what is 'marginal utility'?
The additional satisfaction gained from consuming one more unit of a good or service
ExplanationAdded satisfaction from consuming an extra unit.
#4
What is the formula for calculating total revenue in economics?
Price * Quantity Demanded
ExplanationRevenue derived from product sales.
#5
What is the 'invisible hand' concept in economics?
The concept that self-interest and competition can lead to economic prosperity
ExplanationSelf-interested actions yielding social benefit.
#6
What is the law of demand in microeconomics?
As price decreases, quantity demanded increases
ExplanationInverse relationship between price and demand.
#7
Which of the following is a characteristic of a monopoly market structure?
Significant barriers to entry
ExplanationHigh barriers restricting market entry.
#8
Which of the following is a characteristic of oligopoly market structure?
Few firms dominating the market
ExplanationMarket domination by a few firms.
#9
In microeconomics, what does the term 'elasticity' measure?
The responsiveness of quantity demanded to a change in price
ExplanationMeasure of responsiveness in demand to price changes.
#10
What is the formula for calculating price elasticity of demand?
Percentage change in price / Percentage change in quantity demanded
ExplanationChange in price relative to change in quantity demanded.
#11
What is the main assumption of the production possibility frontier (PPF) model?
Resources are fixed and fully employed
ExplanationFixed and fully utilized resources.
#12
Which of the following is an example of a positive externality?
Education benefits from an educated workforce
ExplanationSocietal benefits beyond direct participants.
#13
What does the law of diminishing marginal returns state?
As more units of a variable input are added to fixed inputs, the marginal product of the variable input initially increases and then decreases.
ExplanationDeclining returns with additional input.
#14
What is the formula for calculating price elasticity of supply?
Percentage change in quantity supplied / Percentage change in price
ExplanationSupply responsiveness relative to price change.
#15
Which of the following is NOT a determinant of demand?
Cost of production
ExplanationProduction cost does not affect demand directly.
#16
What is the difference between a change in quantity demanded and a change in demand?
A change in quantity demanded is a movement along the demand curve due to a change in price, while a change in demand is a shift of the entire demand curve due to factors other than price
ExplanationMovement vs. shift in demand curve.
#17
What is the main difference between normal goods and inferior goods?
Normal goods have a positive income elasticity of demand, while inferior goods have a negative income elasticity of demand
ExplanationIncome elasticity determining good type.
#18
What is the difference between perfect competition and monopolistic competition?
Perfect competition has no market power while monopolistic competition has some market power.
ExplanationPower distribution in competitive structures.
#19
What is the main purpose of antitrust laws in microeconomics?
To promote market competition and prevent monopolies
ExplanationEnsuring market competition and preventing monopolies.
#20
Which of the following is a characteristic of a monopolistically competitive market structure?
Product differentiation
ExplanationDifferentiated products in monopolistic competition.
#21
What is the 'Laffer curve' in economics?
A curve showing the relationship between tax rates and government revenue
ExplanationIllustrates tax rate optimization for revenue.
#22
In microeconomics, what does the term 'perfect price discrimination' refer to?
A situation where firms charge different prices based on the consumer's willingness to pay
ExplanationCharging based on individual consumer valuation.
#23
Which of the following is an example of a perfectly elastic demand?
A perfectly competitive market
ExplanationSensitivity to price changes without quantity adjustment.
#24
What is the formula for calculating consumer surplus?
Total utility - Total cost
ExplanationBenefit exceeding the cost of goods.
#25
What is the main difference between a cost-benefit analysis and a cost-effectiveness analysis?
A cost-benefit analysis compares the costs and benefits of different alternatives, while a cost-effectiveness analysis determines the most cost-efficient way to achieve a specific goal.
ExplanationComparison vs. efficiency in achieving goals.