PED and YED Flashcards
What does elastic demand mean?
Change in demand is greater than the change in price.
What does inelastic mean?
Change in demand is less than the change in price.
Are inelastic goods a necessity or a luxury?
Necessity.
What factors effect PED?
- Necessity vs luxury.
- Substitute goods.
- Brand loyalty.
What is the calculation for Price elasticity of demand?
%change in quantity demanded/ %change in price
What is the percentage change calculation?
(new value - old value/ old value) x100
What does it mean if price elasticity is more than one?
Change in demand is more than change in price
What does it mean if price inelasticity is less than one?
Change in demand is less than the change in price.
What does it mean if the unitary price elasticity is exactly one?
Change in demand = change in price.
What does income elasticity of demand (YED) mean?
Measures the responsiveness of demand to a change in income.
What is the calculation for YED?
%change in quantity demanded/ %change in income.
What are the factors affecting YED?
- Necessities such as fuel, food etc.
- Luxuries, people will be plane tickets if they have more income.
- Price of product.