Economics - The branch of knowledge concerned with the production, consumption, and transfer of wealth.
Needs - Cannot avoid or help doing something
Wants - Have a desire to possess or do (something); wish for
Opportunity cost- The loss of potential gain from other alternatives when one alternative is chosen.
Paradox of value- The paradox of value (also known as the diamond-water paradox) is the apparent contradiction that, although water is on the whole more useful.
Trade Offs- tradeoff: an exchange that occurs as a compromise; "I faced a tradeoff between eating and buying my medicine
Three basic economic questions-
1. What is to be produced?
2. How are the goods to be produced?
3. For whom are the goods produced ?
Entreprenur- A person who organizes and operates a business or businesses, taking on financial risk to do so.
scarcity- a small and inadequate amount.
factors of production- In economics, factors of production (or productive inputs or resources) are any commodities or services used to produce goods
Land- The part of the earth's surface that is not covered by water, as opposed to the sea or the air.
capital- The most important city or town of a country or region, usually its seat of government.
labor- Work, esp. hard physical work: "manual labor".
utility - The state of being useful, profit-able, or beneficial.
Goods- Benefit or advantage to someone or something.
Services- The action of helping or doing work for someone.
Free enterprise- An economic system in which private business operates in competition and largely free of state control.
Traditional economy- A traditional economy is an economy based on custom and tradition/command. The decisions are based on tradition of the community.
Market economy- an economy that relies chiefly on market forces to allocate goods and resources and to determine prices. Mixed economy- An economic system combining private and public enterprise.
Command economy- An economy in which production, investment, prices, and incomes are determined centrally by a government.
Captialism- An economic and political system in which a country's trade and industry are controlled by private owners for profit.
Communism- A political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned
Socialism- A political and economic theory of that advocates that the means of production, distribution, and exchange should be owned or regulated
Inflation- A general increase in prices and fall in the purchasing value of money.
Recession- A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP.
Non profit organization- often called an NCO, is an organization that uses surplus revenues to achieve its goals rather than distributing them as profit or dividends.
Corporations- A company or group of people authorized to act as a single entity (legally a person) and recognized as such in law.
Sole proprietorship- A sole proprietorship, also known as a sole trader or simply a proprietorship is a type of business entity which is owned and run by one.
Proprietor- The owner of a business.
limited Government 
Federalism 
Separation of powers 
Checks & Balances 
