Elasticity Flashcards
Price Elasticity of Demand
The ratio of the percentage of change of quantity demanded to the percent change in price… better indicator than slope
Perfectly inelastic demand
Demand in which quantity demanded does not respond to price whatsoever
Inelastic Demand
When quantity Demanded responds in a smaller way that the change in price
Unitary Elasticity
% change in price = % change in quantity demanded
Elastic Demand
% change in price < % change in quantity demanded
Perfectly elastic Demand
Demand in which quantity drops to zero at the slightest price increase
Midpoint Formula
Using the midpoint value as a way to calculate percentages … of both price and quantity
Determinants of Demand Elasticity
Availability of substitutes; appearance of unimportance; time …
Income Elasticity of Demand
% change quantity demanded / % change in income
Cross-price Elasticity of Demand
% change in quantity demanded of a certain product / % change in price of a different product
Elasticity of supply
% change in quantity supplied / % change in price