price elasticity of demand Flashcards
price elasticity of demand def
how demand responds to a change in price
price elasticity of demand equation
% change in quantity/% change in price
elastic vs inelastic
elastic, responds to changes. if elastic there are substitutes. inelastic or irreplaceable means price does not effect quantity demanded.
examples of products with high elasticity
luxury items and consumer discretionary items(non essential but desirable items) such as a brand of cereal or candy bars.
when is it inelastic vs elastic
elastic if pe is greater or equal to one, if less than one it’s inelastic.
factors that influence elasticity
income level and available substitutes
examples of goods with inelasticity
utilities, prescription drugs, gasoline, tobacco products.
is inelastic steep or flat
steep
is elastic steep or flat
flat
unit elastic means
elasticity is 1, % change in quantity=% change in price
factors of demand elasticity
availability of substitutes, nature of the item, fraction of income spent, amount of time available