Problem Of Demand
How to explain changes in the price of goods and services
Solution Of Demand
Develop a model that brings together 2 economic agents.
Demand
The quantity of a good/service purchased at a given price over a given time period.
Law Of Demand
Ceteris paribus, as the price of a good increases, quantity demanded decreases and vice versa.
Conditions Of Demand
Population Size Changes in prices of substitutes/goods Population Structure Incomes Advertising Change in taste/preference
Substitute Goods
2 alternative products that could be used for the same purpose e.g. white or brown bread.
Complement Goods
Products that are used together e.g. petrol & car.
Population Structure
A change in age/social/cultural can impact demand.