Income Elasticity of Demand Flashcards
what is income elasticity of demand and what is the formula
refers to the responsiveness of demand to a change in customer income
Ey = %change in quantity
———————————
% change in income
is their a relationship with products that are price elastic and those that are income elastic
usually products that are income elastic are also price elastic
products that are income INelastic are also price IN elastic
WHat is a normal good and example
a good that if income increases, demand increases (gucci)
Discuss normal goods to do with income elasticity (pos or neg) and coefficient
positive income elasticity (always Ey > 0)
How can normal goods be further broken down state
coefficient and examples
- relatively income elastic ( Ey >1) - luxury good
- relatively income inelastic (0 < Ey < 1) - necessity good
WHat is a inferior good and example
good that when income increases, demand decreases (homebrand)
Discuss inferior goods to do with income elasticity (pos or neg) and coefficient
negative income elasticity (always Ey < 0)