Scarcity
The basic economic problem of having finite resources but infinite wants.
Factors of Production
Resources including capital, enterprise, land, and labor used to produce goods and services.
Opportunity Cost
The cost of the next best alternative foregone when a choice is made.
Production Possibility Frontiers (PPF)
Shows the maximum possible production of goods/services with given resources and different combinations that can be produced.
Demand
The quantity of a good/service consumers are willing and able to buy at a given price in a specific time period.
Law of Demand
Inverse relationship between price and quantity demanded, assuming other factors remain constant (ceteris paribus).
Non-Price Related Factors
Factors like population, advertising, income, etc., that shift the demand curve.
Supply
The quantity of a good or service producers are willing and able to produce at a given price in a specific time period.
Law of Supply
Direct relationship between price and quantity supplied, assuming other factors remain constant (ceteris paribus).
Costs of Production
Factors affecting production costs including productivity, technology, subsidies, etc.
Market Equilibrium
Where demand equals supply, leading to allocative efficiency in a free market.
Excess Demand and Supply
Situations where prices rise due to excess demand or fall due to excess supply.