Price elasticity of demand ( PED ) Flashcards
What is PED ?
The responsiveness of demand given a change in the price
What is the equation for PED ?
% change in Q demanded / % change in price
What does > 1 elasticity mean ?
It is Price Elastic
What does < 1 elasticity mean ?
It is Price inelastic
What does 0 elasticity mean ?
It is Perfectly Inelastic
Infinity elasticity means ?
It is Perfectly elastic
What does 1 elasticity mean ?
It is unit elastic
When is a substitute elastic or inelastic ?
The more substitutes = More elastic it is
When is the % of income elastic or inelastic ?
Greater % of income when price increases or decreases changes a persons wallet
What elasticity is a luxury good ?
More elastic
What elasticity is a necessity ?
More inelastic