Economic Concepts and Principles

The course begins with an introduction to economics, focusing on how societies manage scarcity and make rational choices. It covers supply and demand, market dynamics, and price setting. The course then explores business costs, revenues, and profits, emphasizing opportunity cost. It examines competitive and imperfect market structures, including monopolies and oligopolies. The role of government in market regulation and addressing externalities is discussed. Finally, the course provides an overview of macroeconomic indicators and policies, including GDP, unemployment, inflation, and fiscal and monetary policy.

What is a central idea in thinking like an economist?

• Human beings make irrational choices.

• Human beings make rational choices about resource allocation.

• Economies are always market-based.

• Resources are unlimited.

Which of the following best describes a market?

• A place where only goods are exchanged.

• An arrangement where prices are set through demand and supply.

• A physical place where goods are sold.

• A government-controlled pricing system.

What is elasticity in economic terms?

• The ability of a market to expand indefinitely.

• The fixed nature of prices in a market.

• The responsiveness of markets to changes in variables.

• The rigidity of supply and demand curves.

How do economists define opportunity cost?

• The total cost of all resources used.

• The cost of producing one more unit of a good.

• The difference between total revenue and total cost.

• The value of the next best alternative foregone.

What is a characteristic of highly competitive markets?

• Firms have monopoly power.

• There are significant barriers to entry.

• Firms must accept the market price.

• Firms can set their own prices.

What is a monopoly?

• A market where firms have no pricing power.

• A market with no barriers to entry.

• A market with many small firms.

• A market dominated by a single firm.

What role does the government play in regulating markets?

• It allows cartels to form freely.

• It eliminates all forms of competition.

• It imposes price ceilings and controls.

• It ensures all firms have monopoly power.

What are market externalities?

• Internal costs of production.

• Effects of a transaction on third parties.

• The total revenue of a firm.

• The fixed costs in a market.

What is the difference between real and nominal GDP?

• Both are adjusted for inflation.

• Nominal GDP is adjusted for inflation, real GDP is not.

• Real GDP is adjusted for inflation, nominal GDP is not.

• Neither is adjusted for inflation.

What is the purpose of fiscal and monetary policy?

• To ensure all markets are perfectly competitive.

• To eliminate all forms of competition.

• To manage the economy and stabilize business cycles.

• To increase the monopoly power of firms.