Week 7 - PED Flashcards
What is the definition of price elasticity of demand?
The sensitivity of demand to changes in price
Give the formula for PED
%∆𝑄𝑑 ÷ %∆𝑃
What is meant by ‘price elastic demand’?
Demand is very sensitive to price - the % change in demand will be bigger than the % change in price
What values would constitute ‘price elastic demand’?
-1 to -∞
Draw a price elastic demand curve
Flatter curve
What is meant by ‘perfectly price elastic demand’?
If we increase price by even 1%, we lose all demand
What values would constitute ‘perfectly elastic demand’?
-∞
Draw a perfectly elastic demand curve
Horizontal
What is meant by ‘price inelastic demand’?
Demand is not very sensitive to price - the % change in demand will be smaller than the % change in price
What values would constitute ‘price inelastic demand’?
0 to -1
Draw a price inelastic demand curve
Steep curve