income elasticity of demand Flashcards
(9 cards)
what is yed
-the responsiveness of demand to a change in income
calculation of yed
% change in quantity demanded divided by % change in income
income elastic demand
- a % change in incomes = would lead to a proportionate or greater % change in the quantity demanded.
eg- cars, TVs, holidays and clothing
income inelastic demand
a % change in incomes will leads to a proportionately lower change in the quantity demanded.
normal goods
- increase in income= increase in quantity demanded
-positive income elasticity demand
inferior goods
increase in incomes = fall in demand
eg. fast food products
factors influencing income elasticity of demand
- whether the product is considered a necessity or a luxury
-the price relative to people’s income
a chocolate bars costs low as its a small % of most people’s income
the significance of income elasticity of demand to businesses
-for planning
-for product portfolio
limitations of using elasticities
-other factos affect demand- consumer tastes
-competitors will react. pricing strategies not to be taken in isolation
-markets subject to rapid tech advancements