L8 - Demand Flashcards
What is demand?
Quantity of a good or service purchased at a given price mover a certain period of time
What is quantity demanded measured in?
Units
What is the law of demand (assuming ceteris paribus)?
Higher price of a good = less quantity demanded
Lower price of a good = more quantity demanded
What is a decrease in price known as on a graph?
Extension/expansion in demand
What is an increase in price known as on a graph?
Contraction in demand
What are substitute goods?
2 alternative products that can be used for the same purpose
What are compliment goods?
Products that are used together
What 4 factors affect demand?
Change in age structure of population
Changes in income - higher income = higher demand
Successful advertising
Changes in consumer taste/preferences