Elasticity Flashcards
Price Elasticity of demand (def, formula)
The responsiveness of change in demand for a good after a change in price.
(change in demand/change in price)*100
Price inelastic in demand
When consumers have a less than proportional change in demand after a change in price
Price elastic in demand
When consumers have a more than proportional change in demand after a change in price
0 < PeD < -1
Price inelastic good
PeD > -1
Price elastic good
Income Elasticity of Demand (YeD)
The responsiveness of a change in demand followed by a change in consumer incomes
YeD < 0
Inferior good
0 < YeD < 1
Normal good
YeD > 1
Luxury good
Inferior goods
A good that suffers a fall in demand as incomes rise
Normal goods
A good with increased demand as incomes rise
Luxury goods
A good with a more than proportional increase in demand after a change in consumer incomes