Elasticity Flashcards
Price elasticity of demand
The responsiveness of demand to a change in price
Equation for PED
Percentage change in quantity demanded divided by percentage change in price
How to knows if something is inelastic or elastic
If answer is between 0 and -1 then is inelastic
If below -1 then is elastic
Inelastic
Change in price has little effect on demand
Gradients relationship to elasticity
Higher gradient inelastic
Cerberis paribus
Everything stays equal
How to make product inelastic
Essential, brand loyalty
Determinants of elasticity of demand
Time period Number and closeness of substitutes Proportion of income taken up by product Luxury of necessity Habit forming Brand loyalty
Price elasticity of supply
The responsiveness of supply to a change in price
Price elasticity of supply equation
Percentage change in quantity supplied divided by change in price
Price elasticity of supply values
More than one elastic
Less than one inelastic
Determinants of elasticity of supply
Availability of four factors of production
Time
Spare capacity
Income elasticity of demand
The responsiveness of demand to a change in income
More than one elastic less than one inelastic
More than positive two then luxury
Income elasticity of demand formula
Percentage change in quantity demanded over percentage change in income
Normal good
Demand rises as income rises
Positive value from formula