Elasticity Of Demand Flashcards
What does price elasticity of demand show?
How demand changes with price
Is PED always positive or negative?
Negative
What does it mean if the PED is greater than 1?
The product is price elastic
What does it mean if the PED is less than 1?
The product is price inelastic
How do you calculate PED?
% change in quantity demanded divided by % change in price
What does it mean if a product is price elastic?
A change in price quickly results in change of demand
What does it mean if a product is price inelastic?
There is little change between price and demand
What does price elasticity affect?
Revenue and profit
What is an example of a price elastic product and why?
Dairy Milk - substitutes available
What is an example of a price inelastic product?
Iphone - loyalty
What does income elasticity of demand show?
How demand changes with income
How do you calculate YED?
% change in quantity demanded divided by % in real income
Do normal goods such as fruit and veg have a negative or positive YED? Why?
Negative because as income rises, demand rises
Is normal goods less or more than 1 YED?
Less than 1
Do luxury goods such as designer products have a negative or positive YED? Why?
Positive because demand grows faster than income does