Econ final exam


Winter Exam 2025 Review

Economics

 

Multiple Choice, Graphing, and Essay

 

Need-something essential for survival

Want -something we desire

Goods- the physical object that someone produces

Services- the action or activities that one person performs for another

SCARCITY in my life potential topic 

  • the principle that limited amounts of goods and services aren’t available to meet unlimited wants therefore, we need to make choices

Unlimited needs and wants and limited resources to supply that 

Economics-the study of how people seek to satisfy their needs and wants by making choices

Shortage v scarcity- shortages are temporary while scarcity always exists

Factors of Production: things needed to make a good or service

Land: all natural resources used to produce goods and services

Labor: Workers, people who make the product 

Human Capital: knowledge and skills sometimes gained through higher education

Physical Capital: tools, machines, computers (things that help make products) 

Entrepreneur: Use these things to make money, most entrepreneurs fail or take a long time to turn a profit. 

Tradeoff-the alternatives that we give up when we choose one course of action over another

Opportunity Cost - the most desirable alternative given up as the result of a decision 

Thinking at the margin-the process of deciding how much more or less to do


Options

Marginal Benefit 

Marginal Cost

Production Possibilities Curve 

Demand

  • Demand is the want and ability of consumers to buy something/ will pay for goods and services

Law of Demand

  • As price increases, demand decreases 

Causes of Demand Curve shifts    

  • income 

  • Consumer expectations

  • Population

  • Consumer tastes 


Complements

  • An item that is paired with another item

  • As compliments price goes down, demand increases for the main product 

  • Ex. sprinkles and ice cream 

  • As price increases demand decreases

Substitutes 

  • A substitute is an item that can be bought in exchange for another item

  • As price increases, demand increases for substitutes

  • Decreases demand decreases

Income effect

  •  People's income detriment to their demand

  • As people's income goes up, they will buy more goods

Substitution effect

  • When the price of a substitute increases the demand for the original item increases

Supply

  • Supply is seen in the eyes of the producers and is the incentive that as price increases so does supply

  • Total amount of good/ service at each price point 

Law of Supply - Producers supply more of a good as its price rises and less as its price falls.

  • As prices increase, so does the supply

  • Decreases so does supply

Causes of the Supply Curve to shift prices can cause the supply curve to shift 

  • Left shift-increase 

  • Right shift-decrease 

  • As input price increases supply decreases

  • Causes for supply to shift(determinants)

    • Price of the good or service (law of supply)

    • Technology can reduce input cost increasing supply

    • The global economy sets the relative price 

    • Natural conditions such as weather or natural disasters can slow production


Prices -  

  • prices fluctuate depending on the movement of buyers and sellers

  • Price correlates with quantity when there is equilibrium 

Shortage - when there is less of a good than there is the demand for it 

  • If the price is lower than the equilibrium it is a shortage


Surplus - when there is more of a good than there is the demand for it

  • there is a surplus of a good if it is one cent above the equilibrium

Money - Anything that a person can use to purchase goods or services. Replaces the need for bartering. 


Medium of exchange - give the store medium and store gives good or service


Barter - exchange (goods or services) for other goods or services without using money.


Unit of account - a means for comparing values for goods and services


Store of value - money keeps and retains value for future use


6 characteristics of money: 

  • Durability, 

    • Able to withstand the wear and tear of being used over and over

  • Limited Supply, 

    • Money would lose its value if there was an unlimited supply of it so it must be regulated and only have a certain amount

  • Acceptability,

    • Everyone in the economy must be able to accept the objects used as money 

  • Divisibility, 

    • Can easily be divided into smaller denominations 

  • Portability,

    • Easy to carry around with you  

  •  Uniformity

    • People must be able to count and measure money accurately 

    • $1=$1 in every marketplace


Commodity money - Any money that his value in of itself 


Representative money - exchanged money for something else of value

ex:Personal checks/ debit card (checking account) / gold/ silver / IOU note/gift cards


Fiat money-money that has value since the gov. says it has value



Liquidity-how fast you can turn assets into cash


Banking System- a group or network of institutions that provide financial services for us.

  • Banks earn profits by lending money at higher interest rates than they pay on deposits/ex. Checking/ saving accounts

How do banks create a profit?-Banks earn profits by lending money at higher interest rates than they pay on deposits/ex. Checking/ saving accounts

Investment - the process of investing your money in an asset with the objective to grow your money in a stipulated time period


Diversification

  • spreading out of investments to reduce risk

Stock - Stocks consist of all the shares by which ownership of a corporation or company is divided. A single share of the stock means fractional ownership of the corporation in proportion to the total number of shares. 


Share

  • A portion of a stock


Capital gain

  • a stockholder sells stock for more than he or she paid for i

Capital loss

  • A stockholder that sells stock at a lower price than the purchase price

Risks involved with investment

Purchasing stock is risky because the firm selling the stock may encounter economic downturns that force dividends down or reduce the stock’s value. It is considered a riskier investment than bonds.

  

Bear market-When the stock market rises steadily over time



Bull market–when the stock market falls over a period of time



Dow Jones Industrial average-The Dow is an index that shows how stocks of 30 companies in various industries have changed in value.


S & P 500-The S & P 500 is an index that tracks the performance of 500 of the top stocks.


Brokerage account

A brokerage account is a type of investment account opened with a brokerage firm. You can deposit money into a brokerage account and the brokerage firm will execute investment orders at your request. Many investors use brokerage accounts to purchase stocks, bonds, mutual funds or exchange-traded funds online 

Retirement account


Price floor-the minimum price set by the government that can be charged for a good or service(minimum wage)

Price ceiling- the max price that can legally be charged for a good or service(rent control) 


Bitcoin 

  • Bitcoin is a cryptocurrency created by Satoshi Nakamoto which like other cryptocurrencies is volatile. Allows person-to-person transactions/ decentralized from the gov./ used mainly as investments but can be used for money

Does cryptocurrency satisfy any of these characteristics?

  • Durable

  • Uniformity

  • Portable 

  • divisible

  • Limited supply

  • NOT acceptable everywhere


What gives cryptocurrency its value? 

  • Both scarcity and its demand due to its increasing price are what give cryptocurrency its value.



All graphs


Supply vs demand

PPC










Price floor and ceiling 




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