Demand definition
The quantity that customers are willing and able to pay at a given price in a given period of time
Factors affecting demand
Basic law of demand
Demand varies inversely with price:
Lower prices, higher demand
Supply definition
The quantity of a good/service that a producer is willing and able to supply onto the market at a given price in a given time period
Factors affecting supply
Basic law of supply
Higher prices, higher quantity supplied
Equilibrium
State of equality between demand and supply
Disequilibrium
When demand and supply are out of balance