#1
Which of the following is a characteristic of a perfectly competitive market?
Few buyers and sellers
Product differentiation
Barriers to entry
Price taker behavior
#2
What does the law of demand state?
As price decreases, quantity demanded decreases
As price increases, quantity demanded decreases
As price decreases, quantity demanded increases
As price increases, quantity demanded increases
#3
What is the main idea behind the concept of 'opportunity cost' in economics?
It is the actual cost incurred by a firm in producing goods and services.
It is the value of the next best alternative forgone when a decision is made.
It is the total revenue generated by a firm.
It is the profit earned by a firm.
#4
In the context of supply and demand, what happens to the equilibrium price and quantity if there is an increase in both demand and supply?
Equilibrium price increases, and equilibrium quantity decreases.
Equilibrium price decreases, and equilibrium quantity increases.
Equilibrium price and quantity both increase.
Equilibrium price and quantity both decrease.
#5
In microeconomics, what is the significance of the production possibility frontier (PPF)?
It shows the maximum output achievable with current technology
It represents the demand and supply equilibrium
It illustrates the relationship between inflation and unemployment
It demonstrates the impact of government regulations on production
#6
What is the formula for calculating elasticity of demand?
Percentage change in quantity demanded / Percentage change in price
Percentage change in price / Percentage change in quantity demanded
Total revenue / Quantity demanded
Quantity demanded / Total revenue
#7
Which market structure is characterized by a small number of interdependent firms and significant barriers to entry?
Perfect competition
Monopolistic competition
Oligopoly
Monopoly
#8
What is the concept of a 'deadweight loss' in economics?
A loss incurred by producers due to a decrease in demand
A loss incurred by consumers due to a decrease in supply
A loss of economic efficiency that can occur when equilibrium is not achieved
A loss incurred by the government due to excessive taxation
#9
What is the formula for calculating the price elasticity of supply?
Percentage change in quantity supplied / Percentage change in price
Percentage change in price / Percentage change in quantity supplied
Total revenue / Quantity supplied
Quantity supplied / Total revenue
#10
In the context of market efficiency, what does the term 'arbitrage' refer to?
The process of buying and selling goods
The simultaneous purchase and sale of an asset to profit from price discrepancies
The government intervention in markets
The restriction of trade between countries
#11
What is the primary function of a price floor in a market?
To set a maximum price for a good or service
To create a surplus of the good or service
To prevent the price from falling below a certain level
To encourage competition among producers
#12
According to the Coase Theorem, under what conditions can private bargaining result in an efficient solution to an externality?
When transaction costs are low and property rights are well-defined
When there is government intervention
When there is a high level of market competition
When there is a monopoly in the market
#13
What is the 'Laffer Curve' used to illustrate in economics?
The relationship between inflation and unemployment
The trade-off between efficiency and equity
The impact of taxes on government revenue
The concept of diminishing marginal utility
#14
What is the difference between explicit costs and implicit costs in economics?
Explicit costs are the opportunity costs of resources, while implicit costs are the actual payments made by a firm.
Explicit costs are the actual payments made by a firm, while implicit costs are the opportunity costs of resources.
Both explicit and implicit costs refer to actual payments made by a firm.
Both explicit and implicit costs refer to opportunity costs.