Price Elasticity of Demand (PED) (10) Flashcards
Define PED
PED measures the responsiveness of quantity demanded given a change in price
Inelastic and Elastic PED’s
> 1 Demand is Price Elastic
< 1 Demand is Price Inelastic
0 Demand is perfectly price Inelastic
∞ Demand is Perfectly Price Elastic
1 Demand is unit Price Elastic
PED Formula
%△ QD/ %△ P
SPLAT
- Substitute (No.)
- Percentage of Income
- Luxury/ Necessity
- Addictive/ Habit forming
- Time period
Elasticity of Demand
Large change in quantity with price changes
Inelasticity of Demand
Small change in quantity with price changes
If Demand is Price Elastic ….
1) Price increases and Total revenue decreases
2) Price decreases and Total Revenue increases
If Demand is Price Inelastic ….
1) Price increases and Total revenue increases
2) Price decreases and Total revenue decreases
EOILS
ELASTIC OPPOSITE INELASTIC SAME