Market Structures
Supply, Demand & Equilibrium
Costs, Profits & Production
Macro
Public Policy & Trade
100

This type of firm is a price taker and operates in a market where products are identical and competitors are numerous.

What is a perfectly competitive firm?

100

This occurs in a market when the quantity demanded equals the quantity supplied, leaving no surplus or shortage.

What is market equilibrium?

100

This economic metric is calculated by subtracting total costs from total revenues.

What is profit?

100

This essential difference separates a market economy from a command economy regarding resource allocation.

What is the invisible hand or market supply and demand

100

This fundamental condition means that society has fewer productive resources available than the unlimited wants of people.

What is scarcity?

200

This condition distinguishes monopolistic competition from perfect competition.

What is product differentiation?

200

According to the laws of supply and demand, a decrease in the supply of wheat with unchanged demand will have this effect on equilibrium price.

What is an increase in the equilibrium price?

200

These are costs that are independent of the quantity produced and remain unchanged even if output is zero.

What are fixed costs?

200

This economic indicator measures the total value of all final goods and services produced within a country in a given period.

What is Gross Domestic Product (GDP)?

200

This is the primary reason why the government, rather than private businesses, typically provides public goods like flood control.

What is the free-rider problem (those who do not pay still receive the benefits)?

300

This industry structure exists when a single firm controls the entire market for a product without close substitutes.

What is a monopoly?

300

This term describes goods like peanut butter if consumer income increases and the demand for peanut butter subsequently decreases.

What is an Inferior good?

300

This term describes the extra benefit or additional value gained from hiring one additional worker.

What is the marginal revenue product (MRP)?

300

This  function of money that is demonstrated when a price tag lists an item's worth.

What is a unit of account?

300

These specific items are classified as goods that are both non-excludable and non-rivalrous, such as fish in the open ocean.

What are common goods (or public goods)?

400

This type of natural market structure arises because a single firm can supply a good or service to an entire market at a smaller cost than two or more firms.

What is a natural monopoly?

400

This specific type of market failure occurs when a transaction has a negative impact on a third party who does not choose to participate.

What is a negative externality?

400

This specific economic concept states that as successive units of a variable input are added to fixed inputs, the marginal product of the variable input eventually declines.

What is diminishing marginal returns?

400

This specific type of unemployment consists of workers changing jobs or searching for new ones, which exists even in a healthy economy.

What is frictional unemployment?

400

This describes a situation where a person benefits from a public good or event (like a community feast) without paying for it.

What is a free-rider?

500

In the short run, what determines whether a pure monopoly earns an economic profit?

What is revenues and costs?

500

If the price elasticity of supply is 1 and the price elasticity of demand is -2, this is the percentage change in quantity demanded if the price falls by 20%.

What is a 40% increase?

500

If a firm has a total cost of $114 for producing 3 units of output and $148 for 4 units, this is the marginal cost of producing the fourth unit.

What is $34?

500

When the Consumer Price Index (CPI) rises from 120 to 126 over a year, this is the exact calculated rate of inflation.

What is 5%?

500

If four large firms control 80 percent of a total market, economists classify this specific market structure.

What is an oligopoly?