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What is the price elasticity of demand
How is it calculated
How responsive demand is to change in price
Always expressed as a negative
%change in quantity demanded ÷ %change in price
Price Elastic meaning
Price Inelastic meaning
Elastic - Demand changes when price changes
Inelastic - Demand does not change much when price changes
What is the relationship between price and demand curve
Inverse relationship
Price goes up = demand goes down
Price goes down = demand goes up
When is a product price elastic
When is a product inelastic
The PED is more than 1
The PED is less than 1
What 3 factors influence PED
Availability of alternatives
Brand loyalty
Type of good (Luxury or Necessity)
What goods are usually elastic
What goods are usally inelastic
Goods with lots of alternatives
eg a breand of bread/chocolate
Necessitys or luxury goods
How is the PED value useful to a business
They can adjust their pricing strategy to maximise their revenue
Best pricing strategy for Inelastic products
Price skimming - Initially set price as high and gradually lower over time
Best pricing strategy for Elastic products
Competitive pricing