1.2.5 YED Flashcards
What does YED stand for
Income elasticity demand
What does YED mean
Is a measure of the responsiveness of demand to a change in income
Is income elasticity demand negative or positive
Both
What is a normal good
When demand for. Product increases when income increases
What are inferior goods
When demand for a product decreases when incomes increase
How is YED calculated
% change in quantity demand / % change in income
Income elasticity of demand is determined by
Whether the good is a necessity or a luxury
The level is income of a consumer
Income elasticity of demand is determined by whether the good is a necessity or a luxury , explain
At a higher standards of living increase consumer incomes see additional demand tends towards luxury goods as demand for necessities is satisfied
Income elasticity of demand is determined by the level of income of a consumer , explain
Poorer consumers tend to spend their incomes in necessity items
As they become wealthier the YED for necessitys move towards zero as consumer are satisfied with the among of the product
Normals goods that are necessities will have lower positive YED coefficients
As consumer incomes continue to increase they are likely to spend some of their incomes on luxurys
How standards of living effect YED
Wealthier countries are likely to have consumers width higher disposal incomes
This means that they have greater spending power are likely to use some of this greater income to buy luxury goods and services
Therefore firms will produce superior products that meet the consumer needs
As global standards of living is increased we could expect to see on increased in demand for luxury goods and a movement away from inferior goods