Econ

Why do we have scarcity?

Scarcity exists because society has unlimited wants and needs, but the earth has limited resources (like land, oil, time, and labor) to fulfill them. Because we cannot have everything we want, we must make choices.

What is meant by “there is no such thing as a free lunch?” (TINSTAAFL)

This concept means that nothing is truly free. Even if a lunch is given to you at no cost, someone had to pay for the ingredients, the labor to cook it, and the space to serve it. More importantly, it costs you your time—you gave up the opportunity to do something else with that hour.

What basic economic choices are faced by all societies? (what, how, and for whom)

WHAT to produce: Society must decide what goods and services are most needed and wanted. (e.g., Should a country produce more weapons for defense, or more food for its citizens?)

HOW to produce: Society must decide the best way to manufacture goods. This involves choosing the mix of resources (e.g., Should we use more automated machines, or hire more human workers?).

FOR WHOM to produce: Society must decide who will actually receive and consume the goods and services produced. (e.g., Will goods be distributed based on who can afford them, or will the government distribute them equally?).

What is meant by the term “opportunity cost?” 

Opportunity cost is the next best alternative that you give up when making a choice. It is the specific value of what you lose. Example: If you choose to study for an economics test instead of going to the movies, the opportunity cost is the enjoyment of the movie you missed.

The factors of production (resources required to produce the things we would like to have) are land, capital, labor, and entrepreneurs.  

Land includes the “gifts of nature,” or natural resources not created by human effort.

Capital includes the tools, equipment, and factories used in production. 

Labor includes people with all their efforts and abilities. 

Entrepreneurs are individuals who start a new business or bring a product to market.

What are trade-offs? 

Trade-offs are all the alternative choices we give up whenever we choose one course of action over another. Every decision involves a trade-off.

(A trade-off is the act of giving up one option to gain another, while opportunity cost is the specific value of the next best alternative that was sacrificed)

Traditional Economy vs Command Economy vs Market Economy

Traditional Economy:

Discourages new ideas

Production is determined by habit and custom.

Aims to provide goods and services for all citizens

Citizens play a major role in production of goods and services

Individuals know from childhood what type of role they will play in the economy

Command Economy:

Citizens have no freedom of choice

A central authority (government) makes all decisions about goods and services

Leads to production of low-quality and limited number of goods.

Socialism is a modern version of this economy

Market Economy:

High degree of individual freedom to choose

Based on capitalism

Results in a large variety of goods and services

Basic needs of some may not be met

Free enterprise

A Free Enterprise system (often called a pure market economy) is an economic system where private individuals and businesses make most of the decisions.

The government keeps its hands off the economy (a concept known as laissez-faire).

Resources are owned by private citizens, and businesses compete freely for profit based on supply and demand.

Mixed economy

A Mixed Economy is a system that combines elements of traditional, command, and market economies. In the real world, almost all modern nations have mixed economies.

They allow for private property and individual choice, but the government steps in to regulate certain industries, provide public services (like roads and education), and protect consumers.

Market economies and their characteristics, advantages, and disadvantages? 

Characteristics: Private ownership of resources, high levels of competition, consumer sovereignty (buyers rule the market), and a focus on individual wealth and profit.

Advantages:

• High Individual Freedom: People can choose what to buy, where to work, and what to produce.

• Innovation and Growth: Competition drives businesses to create better products at lower prices.

• Efficiency: Resources are naturally directed to where they are valued most based on price signals.

Disadvantages:

• Inequality: Wealth can become concentrated, leaving a large gap between the rich and the poor.

• Lack of Public Goods: The market doesn't naturally provide services that aren't highly profitable, like public parks or low-income housing.

• Economic Instability: Subject to periods of recession, unemployment, or inflation.

Socialistic economies and their characteristics, advantages, and disadvantages? 

Characteristics: The government plays a major role in distributing wealth, high taxes are used to fund public welfare programs, and key resources/utilities are publicly owned.

Advantages:

• Basic Needs Met: Citizens usually receive "free" or heavily subsidized healthcare, education, and social safety nets.

• Less Economic Inequality: Wealth is redistributed to prevent extreme poverty.

• Job Security: The government often protects workers and may step in to prevent mass layoffs.

Disadvantages:

• High Taxes: Citizens and businesses pay significantly higher income and sales taxes to fund government programs.

• Less Efficiency: Without competition, government-run industries can become slow, bureaucratic, and wasteful.

• Fewer Choices: Consumers may have fewer options for services like healthcare, and there may be less incentive for individuals to innovate or take business risks.

Production Possibilities Curve

A diagram representing all possible combinations of goods and/or services an economy can produce when all productive resources are fully employed

Every point on the PPC uses the same amount of resources and is efficient.

A point beyond the PPC is impossible because it requires more resources or better technology than are currently available. The economy cannot produce that combination with its existing resources and technology.

A point inside the PPC demonstrates inefficiency or underutilized resources (such as unemployment, idle factories, or wasted resources). More of at least one good could be produced without sacrificing the other.

If economic growth occurs, what would happen to the PPC?

Economic growth would cause the PPC to shift outward (away from the origin) because the economy has more resources, better technology, or improved productivity, allowing it to produce more goods and services.

In economics, efficiency refers to

Efficiency refers to using resources in a way that produces the maximum possible output with the available resources and technology, without waste.

What is the law of diminishing returns?

The law of diminishing returns states that when additional units of a variable input (such as labor) are added to a fixed input (such as land or machinery), the extra output produced by each additional unit of the variable input will eventually decrease, assuming all other factors remain constant.

Example: If more workers are added to a small factory, output may increase at first, but eventually each new worker contributes less additional output because space and equipment become crowded.

Marginal benefit

the advantage of gaining each additional unit of an economic good

Marginal cost

the cost of gaining each additional unit of an economic good

Explicit costs

costs calculated in terms of money (out-of-pocket costs)

Implicit costs

opportunity costs of a decision (foregone benefits) that is not defined in terms of money

The Rule of Rational Choice

Each economic participant weighs the marginal benefit vs. the marginal cost of each decision.

A consumer, business, or government will go through with an economic decision if the marginal benefit is greater than or equal to the marginal cost (MB≥MC).

A consumer, business, or government will not go through with an economic decision if the marginal cost is greater than the marginal benefit (MC>MB)

demand schedule

listing showing the quantity demanded at all possible prices that might prevail in the market at a given time

Demand curve vs Market demand curve

Demand curve: graph showing the quantity demanded at every possible price that might prevail in the market at a given time 

Market demand: the demand curve that shows the quantities demanded by everyone who is interested in purchasing a product at all possible prices 

Law of Demand

rule stating that more will be demanded at lower prices and less at higher prices; inverse relationship between price and quantity demanded 

change in quantity demanded

movement along the demand curve showing that a different quantity is purchased in response to a change in price 

income effect

that portion of a change in quantity demanded caused by a change in a consumer’s income when the price of a product changes

substitution effect

the portion of a change in quantity demanded caused by a change in price that makes other products more or less costly

substitutes

competing products that can be used in place of one another; products related in such a way that an increase in the price of one increases the demand for the other 

complements

products that increase the use of other products; products related in such a way that an increase in the price of one reduces the demand for both

What are the five shifters of the demand curve? (T-I-M-E-R)

• T - Tastes and Preferences: If a celebrity trends a product, demand increases. If a product goes out of style, demand decreases.

• I - Income: When consumers' incomes rise, demand for normal goods (like steak or new cars) increases, while demand for inferior goods (like ramen noodles or used cars) decreases.

• M - Market Size (Number of Buyers): An increase in the number of consumers (e.g., due to population growth or immigration) shifts demand to the right.

• E - Expectations of Future Prices: If consumers expect the price of a laptop to jump next week, they will buy it now, increasing current demand.

• R - Related Goods (Complements and Substitutes): * Substitutes (goods used in place of one another, like Coke and Pepsi): If the price of Coke goes up, the demand for Pepsi increases.

What is elasticity of demand? (elastic vs inelastic demand)

Elasticity of demand is a measure of how responsive consumers are to a change in price. It tells us how much the quantity demanded will stretch or shrink when prices change.

What are examples of elastic demand?
- Consumers are highly responsive to price changes. A small change in price leads to a large change in the amount bought. This usually happens with luxury items or goods with many substitutes (e.g., brand-name cereal, cruises).

What is inelastic demand?
- Consumers are not very responsive to price changes. Even a massive price jump won't change the quantity demanded by much. This happens with necessities or goods with no substitutes (e.g., insulin, gasoline, electricity).

Law of Supply

principle that more will be offered for sale at high prices than at lower prices

supply schedule

a table showing the quantities produced or offered for sale at each and every possible price in the market at a given point in time 

supply curve vs market supply curve

supply curve: a graph that shows the quantities supplied at each and every possible price in the market 

market supply curve: supply curve that shows the quantities offered at various prices by all firms that sell the product in a given market 

subsidy

government payment to encourage or protect a certain economic activity 

supply elasticity

responsiveness of quantity supplied to a change in price

change in quantity supplied

change in amount offered for sale in response to a price change; movement along the supply curve 

Law of Supply

principle that more will be offered for sale at high prices than at lower prices

What are the seven shifters of supply?

A. Cost of Inputs (Resource Prices): The cost of ingredients, raw materials, or wages needed to make the product.

B. Productivity / Technology: Improvements in how efficiently goods are made (like better machinery or better-trained workers).

C. Taxes and Subsidies: Government actions. Taxes cost businesses money (lowering supply), while subsidies are financial aid given to businesses (increasing supply).

D. Government Regulations: Rules and laws that businesses must follow (like safety standards or environmental laws), which usually add to production costs.

E. Number of Sellers (Market Size): The total number of firms producing the product in the market.

F. Producer Expectations: What businesses think will happen to the price of their product in the future.

G. Prices of Related Goods (Alternative Production): If a farmer grows both wheat and corn, and the price of corn skyrockets, the farmer will shift resources to grow more corn, decreasing the supply of wheat.

Government Intervention

Decisions to heavily regulate or deregulate an industry directly control how easily or cheaply a business can supply its goods to consumers.

What is market equilibrium? Why is equilibrium often called the “market clearing price” or “market clearing quantity?”

Market equilibrium is the state where the quantity of a product demanded by consumers is exactly equal to the quantity supplied by producers. On a graph, this occurs precisely where the demand curve and the supply curve intersect. At this point, there is no inherent tendency for the price to change.

It is called "market clearing" because at this exact price, the market is perfectly cleared of goods.

• Every seller who wants to sell at that price finds a buyer.

• Every buyer who wants to buy at that price finds a seller.

• There are no leftover goods (no surplus) and no disappointed customers (no shortage). The market is in perfect balance.

What causes surplus, or excess supply?

A surplus occurs when the market price is above the equilibrium price.

• The Cause: Because the price is high, producers want to sell a lot of the product (high quantity supplied), but consumers do not want to buy very much of it (low quantity demanded).

• Result: Unsold goods pile up on store shelves.

• If there is a surplus: Businesses notice that inventory isn't moving. To get rid of the extra stock, they lower their prices (sales and discounts). As the price drops, more consumers start buying, and producers slow down production until the market reaches equilibrium.

What causes a shortage, or excess demand?

A shortage occurs when the market price is below the equilibrium price.

• The Cause: Because the price is low, consumers rush to buy a ton of the product (high quantity demanded), but producers cannot make enough profit to justify making very much of it (low quantity supplied).

• Result: Store shelves are empty, and consumers are left empty-handed.

• If there is a shortage: Businesses notice their products are flying off the shelves instantly, and long lines are forming. Realizing they can make more profit, businesses raise their prices. As the price goes up, some consumers drop out of the market, and producers ramp up production until the market reaches equilibrium.

What a perfectly competitive market?

A perfectly competitive market (or pure competition) is a theoretical market structure where competition is at its absolute maximum.

• Characteristics:

  • Many Buyers and Sellers: No single buyer or seller is large enough to influence the market price.

  • Identical Products: The goods sold by all firms are exactly the same (e.g., agricultural commodities like wheat or corn). You cannot tell the difference between one farmer's product and another's.

  • Perfect Information: Buyers and sellers know everything about prices and product quality.

  • Easy Entry and Exit: Firms can enter or leave the industry with zero barriers or extra costs.

  • "Price Takers": Because they have no control over the price, individual firms must accept the market price determined by total supply and demand.

monopolistic competition

Monopolistic competition is a real-world market structure that looks a lot like perfect competition, but with one key twist: the products are slightly different.

• Characteristics:

  • Many Sellers: There are plenty of businesses competing against each other.

  • Product Differentiation: Goods are similar but not identical. Firms use branding, quality, style, or location to make their product stand out.

  • Some Control Over Price: Because their products are unique, firms have a little bit of power to set their own prices.

  • Low Barriers to Entry: It is relatively easy for new firms to open up business.

  • Examples: Fast food restaurants, clothing brands, hair salons, and gas stations

market structure having all conditions of pure competition except for identical products; a form of imperfect competition

What effect does advertising have on monopolistic competition?

Advertising is crucial in monopolistic competition because of product differentiation.

• Non-Price Competition: Since firms compete on factors other than just being the cheapest, advertising helps them convince consumers that their brand is superior to identical rivals (e.g., claiming Nike shoes make you run faster than Adidas).

• Shifting the Demand Curve: Successful advertising increases the demand for a specific firm's product and makes consumer demand more inelastic (meaning loyal customers will stay even if the firm raises its prices).

What are characteristics of an oligopoly?

An oligopoly occurs when a market is dominated by a small number of large, powerful firms.

• Characteristics:

  • Few Large Sellers: Usually, 3 to 5 giant companies control the vast majority (70-80%+) of the market.

  • Interdependence: The actions of one firm directly affect the others. If one company lowers its price or launches a massive ad campaign, the others must react.

  • High Barriers to Entry: It is incredibly difficult and expensive for new competitors to enter the industry (due to high startup costs, patents, or brand dominance).

  • Collusion Risks: Because there are so few players, firms are tempted to illegally cooperate (collude) to set prices high, acting like a single monopoly.

  • Examples: Airline companies, automobile manufacturers, wireless phone carriers (AT&T, Verizon, T-Mobile), and soft drink giants (Coke and Pepsi).

What are the characteristics of a monopoly? What types of monopolies are there?

A monopoly is the exact opposite of perfect competition. It is a market structure where there is only one seller of a product with no close substitutes.

• Characteristics:

  • Single Seller: One firm controls the entire market supply.

  • "Price Maker": The firm has total control over the price because consumers have no alternative places to buy the good.

  • Blocked Entry: Extremely high barriers (legal, technical, or financial) completely stop any new firms from entering the market.

Not all monopolies are illegal or bad. Economists categorize them into four main types:

1. Natural Monopoly: Occurs when the costs of production are minimized by having just one firm handle everything. Splitting the market would be wildly inefficient.

   • Example: Public utility companies (like water or electricity). It makes no sense to have three different companies dig up roads to lay competing water pipes to your house.

2. Geographic Monopoly: Occurs when a business has a monopoly simply because of its location.

   • Example: The only gas station or grocery store in a remote, isolated highway town.

3. Technological Monopoly: Occurs when a firm discovers a new manufacturing technique or invents something entirely new. The government protects them using patents or copyrights to encourage innovation.

   • Example: A pharmaceutical company that invents a life-saving drug gets exclusive rights to sell it for a set number of years.

4. Government Monopoly: A monopoly owned and operated directly by the government.

   • Example: The United States Postal Service (USPS) holding the exclusive right to deliver first-class mail, or state-run liquor stores.

5. Legal Monopoly: Created when a government grants exclusive rights or protections to a single company to operate in a specific industry. How it works: This is achieved through intellectual property laws like patents or exclusive franchise agreements to encourage and protect innovation.

   • Examples: Pharmaceutical companies with patents on newly developed, life-saving medications.

What are some of the factors that influence employment trends?

Employment trends are heavily shaped by structural shifts in the economy. The major factors include:

• Technology and Automation: The rise of AI, robotics, and software replaces manual/repetitive tasks while creating a high demand for tech-literate professionals.

• Demographics: An aging population creates shifts in what services society needs (e.g., more healthcare).

• Globalization: The ability to move labor and production across borders changes where certain jobs are located.

• Economic Cycles: recessions or booms shift hiring from luxury industries to essential services.

What does geopolitical mean? What are some geopolitical influences on employment in the United States? 

Geopolitical refers to the combination of geographic and political factors influencing a country, region, or international relations. It looks at how a country’s location, resources, and government policies impact its power and wealth relative to the rest of the world.

• Trade Wars and Tariffs: If the U.S. government places high tariffs (taxes) on foreign imports (like steel or electronics), it can protect domestic manufacturing jobs but increase costs for other U.S. industries that rely on those materials.

• International Conflicts: Wars or political instability abroad can disrupt global supply chains (like microchips or oil), forcing U.S. companies to change how they hire or where they source goods.

• Immigration Policies: Government regulations on work visas (like H-1B visas for tech workers) directly affect the supply of skilled labor available to U.S. companies.

Globalization has been propelled by:

• The Information & Digital Revolution: The internet, computing power, and high-speed communication networks.

• Transportation Advancements: Commercial jet travel and massive containerized shipping systems that drastically reduced the time and cost of moving freight around the world.

• Deregulation and Free Trade Agreements: Political shifts that lowered trade barriers and tariffs between nations.

Why is it important to be aware of the trend of “outsourcing” certain types of jobs overseas? 

Understanding outsourcing is vital for career planning. If a career path consists of tasks that can be performed anywhere in the world for a fraction of the price, domestic wages will drop, and local jobs will disappear. Students must focus on building skills that require physical presence, high-level critical thinking, or unique local expertise.

Jobs that can be performed entirely over the computer with standardized rules are highly susceptible to outsourcing:

• Customer Support & Call Centers

• Basic Data Entry and Telemarketing

• Routine IT Support and Basic Software Coding

• Back-Office Accounting and Payroll Processing

What is gross domestic product (GDP)?

Gross Domestic Product (GDP) is the total market value of all final goods and services produced within a country's borders in a specific time period (usually a year). It is the primary metric used to gauge the overall size and health of an economy.

What is real GDP vs nominal GDP, and why does inflation make such a difference?

• Real GDP: Measures production using constant (base-year) prices. It strips out the effects of price changes over time.

• Nominal GDP: Measures production using current prices. It doesn't account for changes in the value of money.

• Why inflation makes a difference: If an economy produces the exact same number of cars two years in a row, but prices double because of inflation, Nominal GDP will look like it doubled. This gives a false impression of growth. Real GDP adjusts for this inflation, showing whether the actual physical production (output) went up, down, or stayed the same.

What is the GDP deflator?

The GDP Deflator is a price index that measures the changes in prices for all the goods and services produced domestically. It is used to convert Nominal GDP into Real GDP using the formula:

What is real GDP per capita? 

Real GDP per capita is the country's Real GDP divided by its total population. It tells you the average economic output per person. Economists use it to compare the standard of living between different countries or across different time periods.

What is the business cycle?

The business cycle refers to the alternating, periodic fluctuations of economic growth and decline that market economies experience over time.

It has four main phases:

1. Expansion: A period of economic growth where Real GDP increases, employment rises, and businesses grow.

2. Peak: The highest point of economic expansion before a downturn begins.

3. Contraction (or Recessions): A period of economic decline where Real GDP shrinks, unemployment rises, and consumer spending drops.

4. Trough: The lowest point of economic decline before the economy begins to recover and expand again.

What is unemployment, and how is it measured? 

Unemployment occurs when a person who is actively searching for employment is unable to find a job. It is measured by the Unemployment Rate, calculated by the Bureau of Labor Statistics (BLS) using this formula:

What are types of unemployment? 

• Structural Unemployment: Occurs when a worker’s skills no longer match the jobs available, often caused by technological advances or shifting consumer tastes (e.g., a factory worker replaced by a robot).

• Cyclical Unemployment: Unemployment directly tied to the contractions of the business cycle. It rises during recessions when businesses lay off workers due to low demand and drops during economic expansions.

• Frictional Unemployment: Temporary unemployment experienced by people who are between jobs, changing careers, or entering the workforce for the first time (e.g., a recent college graduate looking for their first job).

What is inflation, and how is it measured?

Inflation is the general, sustained rise in the average price level of goods and services across the economy over time, which reduces the purchasing power of money.

How it is measured: Inflation is primarily measured using the Consumer Price Index (CPI). The government tracks the price changes of a "market basket" of around 80,000 typical goods and services purchased by urban consumers each month. The percentage change in the CPI from one period to the next represents the inflation rate.

What is fiscal policy?

Fiscal policy is the use of government spending and taxation to influence and stabilize a nation's economy. It is managed by the legislative and executive branches of government (in the U.S., Congress and the President).

The government uses fiscal policy to shift aggregate demand in order to combat economic issues like high unemployment (during a recession) or high inflation (when the economy is overheating).

What are some examples of fiscal policy?

Fiscal policy is divided into two categories based on the government's goal:

1. Expansionary Fiscal Policy (Used during a recession to boost the economy)

• Increasing government spending: Funding new infrastructure projects like building roads, bridges, or schools. This directly creates jobs and puts money back into the economy.

• Cutting taxes: Lowering income or corporate taxes. This gives consumers more take-home pay to spend and businesses more cash to invest and hire.

• Expansionary Policy is used during a recession when unemployment is high and economic output is low. The goal is to shift aggregate demand to the right.

2. Contractionary Fiscal Policy (Used during high inflation to cool down the economy)

• Decreasing government spending: Cutting funding for public projects or government programs to reduce the amount of money circulating in the economy.

• Increasing taxes: Raising income taxes, which leaves consumers with less disposable income, reducing overall consumer spending.

• Contractionary Policy is used during periods of high inflation when the economy is growing too fast. The goal is to decrease total spending and cool down price increases.

What is aggregate demand?

Aggregate demand (AD) is the total quantity of all final goods and services that all buyers (consumers, businesses, the government, and foreigners) are willing and able to purchase at various price levels in the economy.

While regular "demand" looks at just one product (like smartphones), aggregate demand looks at the entire economy as a whole.

It is calculated using the exact same components as GDP, represented by the formula:

AD = C + I + G + (X - M)

C (Consumption): Spending by private households on goods and services.

I (Investment): Spending by businesses on capital goods, machinery, and factories.

G (Government Spending): Spending by the government on public goods and services.

X - M (Net Exports): The value of a country's exports minus its imports.

What is aggregate supply?

Aggregate supply (AS) is the total quantity of all final goods and services that all nation's producers are willing and able to produce and sell at various price levels. While regular supply looks at a single market (like sneakers), aggregate supply looks at the production of the entire economy.

What is Keynesian economics?

Keynesian economics is an economic theory developed by British economist John Maynard Keynes during the Great Depression. It argues that government intervention is necessary to stabilize the economy, particularly during downturns, because market forces alone cannot fix deep recessions quickly enough.

What were Keynes’s fundamental principles?

Demand Drives the Economy: Keynes believed that aggregate demand (total spending) is the primary driver of economic growth, rather than the capacity to produce.

Sticky Wages and Prices: In a recession, wages and prices don't drop instantly to clear the market because of contracts, unions, and psychological factors. Therefore, an economy can get "stuck" in a recession with high unemployment.

Government Intervention: When private consumers and businesses stop spending during a recession, the government must step in as the "spender of last resort" to artificially boost aggregate demand.

What are automatic stabilizers? How do automatic stabilizers work?

Automatic stabilizers are structural government programs already built into the economy that naturally shift fiscal policy without needing any new laws passed by Congress or the President.

During a Recession: As people lose jobs, their incomes drop, which automatically pushes them into lower tax brackets (so they pay less in taxes). Concurrently, more people automatically qualify for government welfare programs like unemployment insurance and food stamps. This injects money back into the economy, propping up consumer spending without waiting for the government to act.

During an Expansion: As the economy booms, people earn more money, moving into higher tax brackets and paying more taxes. Fewer people need government assistance. This naturally pulls money out of the economy, preventing it from overheating.

What are the key limitations of fiscal policy?

Time Lags: It takes time to recognize an economic problem (recognition lag), time for politicians to pass a bill into law (legislative lag), and time for the money to actually hit the economy (implementation lag). By the time the policy works, the economic problem may have changed.

Political Pressure: Politicians love to pass expansionary policies (cutting taxes, spending money on popular projects) to get re-elected, but they rarely want to pass contractionary policies (raising taxes, cutting spending), making it hard to fight inflation effectively.

Crowding-Out Effect: If the government borrows massive amounts of money to fund its spending, it can push up interest rates. Higher interest rates make it more expensive for private businesses and consumers to borrow money, "crowding out" private investment.

What was “Reaganomics?”

Reaganomics refers to the economic policies promoted by U.S. President Ronald Reagan during the 1980s, which were heavily based on supply-side economics.

It had four key pillars:

Income and Corporate Tax Cuts: Reducing taxes for corporations and wealthy investors under the theory that they would use the extra cash to build factories and create jobs (often called "trickle-down economics").

Deregulation: Reducing government rules on businesses to lower production costs.

Controlling the Money Supply: Working with the Federal Reserve to reduce inflation.

Reducing Government Spending: Cutting spending on social programs (though federal deficits still grew significantly due to increased military spending).

What is “supply-side economics”?

Supply-side economics is the opposite of Keynesian economics. It argues that economic growth is most effectively created by investing in capital and lowering barriers on the production of goods and services (the supply side).

Instead of boosting demand by giving consumers money, it focuses on helping businesses produce more efficiently.

What is contractionary monetary policy?

What it is: Actions taken by the Fed to decrease the money supply (or slow its growth) and raise interest rates.

When it should be used: During periods of high inflation when the economy is overheating.

How it works: By raising interest rates, the Fed makes borrowing more expensive. This discourages excess spending by consumers and businesses, cooling down aggregate demand and bringing prices back down.

What is expansionary monetary policy?

What it is: Actions taken by the Fed to increase the money supply and lower interest rates.

When it should be used: During a recession when unemployment is high and economic growth is sluggish.

How it works: By lowering interest rates, the Fed makes it cheaper for consumers to buy cars/homes and cheaper for businesses to borrow money to expand. This boosts aggregate demand.

What is the Fed’s “dual mandate,” and how do they try to fulfill it?

The U.S. Congress has given the Fed two primary goals, known as the dual mandate:

1. Price Stability: Keeping inflation low and predictable (historically targeting around a 2% inflation rate).

2. Maximum Employment: Keeping the economy close to its natural rate of employment (minimizing cyclical unemployment).

The Fed tries to fulfill this mandate by manipulating interest rates. By raising or lowering rates, they can either speed up or slow down economic activity to keep inflation and employment balanced.

What is “the Fed,” and what does it do?

The Fed is the Federal Reserve, which serves as the central bank of the United States. It acts as a "banker's bank" and the government's bank. Its main responsibilities include:

• Controlling the nation's money supply.

• Regulating and supervising private banks to ensure the stability of the financial system.

• Providing financial services to depository institutions and the government.

• Managing monetary policy.

What are some regulations that affect banking?

Because banks loan out money they don't physically keep in the vault, governments heavily regulate them to prevent financial crashes:

• Reserve Requirements: The rule stating the exact minimum percentage of deposits a bank must hold in reserve (in their vault or at the central bank) and cannot loan out.

• Deposit Insurance (FDIC): In the U.S., the Federal Deposit Insurance Corporation guarantees that if a bank goes bankrupt, depositors will get their money back (up to $250,000). This prevents "bank runs."

• Capital Requirements: Regulations that force banks to hold a certain amount of safe, liquid assets so they can absorb financial losses without collapsing.

What is fractional reserve banking?

Fractional reserve banking is a system in which banks keep only a fraction of their customers' deposits on hand as cash reserves. The rest of the money is loaned out to borrowers to earn interest.

What is monetary policy?

Monetary policy refers to the actions taken by a central bank (like the Fed) to manage the nation's money supply and interest rates to achieve stable economic growth.

What are some regulations that affect banking?

Because banks loan out money they don't physically keep in the vault, governments heavily regulate them to prevent financial crashes:

• Reserve Requirements: The rule stating the exact minimum percentage of deposits a bank must hold in reserve (in their vault or at the central bank) and cannot loan out.

• Deposit Insurance (FDIC): In the U.S., the Federal Deposit Insurance Corporation guarantees that if a bank goes bankrupt, depositors will get their money back (up to $\$250,000$). This prevents "bank runs."

• Capital Requirements: Regulations that force banks to hold a certain amount of safe, liquid assets so they can absorb financial losses without collapsing.

What is money?

In economics, money is anything that is widely accepted in exchange for goods and services or in the repayment of debts. To be considered money, an item must serve three specific functions:

Medium of Exchange: It can be used to buy goods and services without the friction of a barter system.

Unit of Account: It provides a common measure to price goods and services and compare their values.

Store of Value: It allows people to save purchasing power for the future (it doesn't spoil or lose value instantly).

open market operations

monetary policy in the form of U.S. Treasury bills, or notes, or bond sales and purchases by the Fed

prime rate

best or lowest interest rate commercial banks charge their customers 

easy money policy vs tight money policy

easy money policy - monetary policy resulting in lower interest rates and greater access to credit; associated with an expansion of the money supply 

tight money policy - monetary policy resulting in higher interest rates and restricted access to credit; associated with a contraction of the money supply 

absolute advantage

country’s ability to produce more of a given product than can another country 

comparative advantage

country’s ability to produce a given product relatively more efficiently than another country; production at a lower opportunity cost

What are some benefits of global trade?

Lower Prices for Consumers: Trade allows countries to specialize in producing what they make most efficiently. Consumers get access to cheaper goods because of global competition.

Greater Variety of Goods: Consumers can buy products that cannot be produced domestically (e.g., buying tropical fruits in the winter or specialized foreign tech).

Economic Growth: Access to larger global markets allows domestic companies to scale up, sell to millions of new customers, and create jobs.

Efficiency and Specialization: Driven by the principle of comparative advantage, countries focus their limited resources on producing goods where they have the lowest opportunity cost, maximizing total global output.

What are barriers to trade?

Barriers to trade are government-imposed restrictions on the international exchange of goods and services. The most common barriers include:

• Tariffs: A tax placed directly on imported goods to make them more expensive.

• Quotas: A legal limit placed on the total quantity of a specific good that can be imported during a given timeframe.

• Embargoes: A complete ban on trade with a specific country, usually for political or safety reasons.

• Standards and Regulations: Strict safety, environmental, or quality rules that foreign goods must meet before they can be sold domestically.

What are protectionist policies?

Protectionist policies are government actions and regulations designed to restrict international trade in order to protect domestic industries and workers from foreign competition. By placing tariffs or quotas on foreign imports, the government artificially makes domestic products look more attractive.

What are the pros and cons of protectionism?

Pros (Arguments for Protectionism)

• Protecting Domestic Jobs: It shields local businesses from being undercut by cheap foreign labor, saving domestic jobs in those specific industries.

• Infant Industry Argument: It protects young, developing domestic industries from giant, established global competitors until they are strong enough to compete on their own.

• National Security: It ensures a country doesn't rely entirely on foreign nations for critical goods like military equipment, steel, or food during a crisis.

Cons (Arguments against Protectionism)

• Higher Prices for Consumers: By limiting cheaper foreign choices, domestic consumers are forced to pay higher prices.

• Trade Wars (Retaliation): If the U.S. places a tariff on foreign steel, other countries will retaliate by placing tariffs on U.S. agricultural goods (like soybeans), hurting domestic exporters.

• Loss of Efficiency: Without global competition, domestic companies have less incentive to innovate, improve quality, or lower their production costs.

What is creative destruction?

Creative destruction is an economic concept coined by Austrian economist Joseph Schumpeter. It describes the continuous process of industrial mutation where new innovations constantly replace and destroy older economic structures, products, and jobs.

• The "Destruction" Part: Old technologies, outdated business models, and traditional jobs become obsolete and disappear.

• The "Creative" Part: They are replaced by more efficient, advanced, and productive industries that move society forward.

Real-World Examples:

• The invention of the automobile destroyed the horse-and-buggy industry (blacksmiths, carriage makers), but it created a massive automotive ecosystem (assembly lines, mechanics, gas stations).

• Streaming services (like Netflix) completely destroyed the video rental store model (like Blockbuster) but created new tech and entertainment jobs.

• Digital photography and smartphones destroyed the physical film industry (Kodak) but gave rise to app development and modern digital media.

In the context of globalization, creative destruction means some domestic manufacturing jobs disappear as production moves efficiently overseas, but resources are freed up to create higher-tech, higher-skill industries domestically.

What are trusts? What government regulations were formed against trusts, and why? 

A trust is a massive legal combination of corporations where a single board of trustees controls the shares and operations of multiple supposedly competing companies. In practice, trusts were used to create monopolies, eliminate competition, control production, and artificially drive up prices.

The government passed these laws to restore competition, protect consumers, and stop predatory monopolies:

• Sherman Antitrust Act (1890): The first federal law outlawing trusts and monopolies that restrained trade. It was initially weak due to vague wording but was later used to break up giants like Standard Oil.

• Clayton Antitrust Act (1914): Strengthened the Sherman Act by clearly banning specific corporate practices, such as price discrimination, anti-competitive mergers, and individuals serving as directors for competing companies.

qualitative easing

technique used by the Federal Reserve to keep interest rates low and encourage banks to take on more loans to stimulate the economy 

What are some government responses to market failures?

When the free market fails to allocate resources efficiently, the government steps in by:

• Providing public goods (like streetlights, national defense) that private companies won't fund because they can't easily charge individuals.

• Fixing externalities via taxes/fines on pollution (negative externalities) or subsidies for education/vaccines (positive externalities).

• Enforcing antitrust laws to stop monopolies from gouging prices

What are some of the arguments made on either side of government bailouts?

Arguments FOR Bailouts (The Interventionist View)

• Preventing Total Collapse: If the largest banks fail, credit freezes entirely. Everyday people won't be able to get car loans, student loans, or business payroll, turning a recession into a catastrophic depression.

• Protects the Public: The goal isn't to save Wall Street, but to protect the millions of innocent employees and depositors whose livelihoods depend on a functioning financial infrastructure.

Arguments AGAINST Bailouts (The Free-Market View)

• Rewarding Bad Behavior: Bailouts punish responsible banks and reward corporations that engaged in reckless speculation.

• Massive Sovereign Debt: Funding bailouts requires the government to borrow trillions of dollars, shifting the financial burden onto future generations of taxpayers.

• Undermining Capitalism: A core rule of the free enterprise system is that businesses must be allowed to fail if they make poor decisions. Government picking winners and losers distorts free-market competition.

Federal Deposit Insurance Corporation (FDIC)

the U.S. government institution that provides deposit insurance on the depositor’s account 

creditors

persons or institutions to whom money is owed 

secured loan

a loan that is backed up by collateral 

unsecured loan

a loan guaranteed only by a promise to repay it

What is gross income?

Gross income is the total amount of money you earn before any deductions, taxes, or health insurance premiums are taken out of your paycheck. 

What are Social Security taxes?

Social Security taxes are mandatory payroll taxes collected under the Federal Insurance Contributions Act (FICA). This money goes into a federal program that provides financial support and retirement benefits to elderly Americans, people with disabilities, and survivors of deceased workers.

What are Medicare taxes?

Medicare taxes are also part of the FICA payroll deductions. This tax funds the federal health insurance program for Americans aged 65 and older, as well as younger individuals with specific disabilities.

What is income tax?

Income tax is a tax levied by federal, state, and sometimes local governments on the money you earn. In the United States, it is a progressive tax, meaning the more money you earn, the higher your tax rate becomes. These funds are used to pay for general government operations, national defense, and public services.