 # Income elasticity of demand

## Income elasticity of demand,

### Definition of Income elasticity of demand:

1. Proportionate change in the demand for a good in response to a change in income. It is reflected in how people change their consumption habits with changes in their income levels. In a growing economy (where income levels are rising) goods whose demand is highly income-dependent will sell more than the goods whose demand is not income-dependent. For example, demand for staple food items normally does not increase with higher income levels; but demand for gourmet food or restaurant food does increase as individuals income grows. Also called income sensitivity of demand, it is mathematically expressed as percent change in quantity demanded ÷ percent change in income.

2. Income elasticity of demand refers to the sensitivity of the quantity demanded for a certain good to a change in real income of consumers who buy this good, keeping all other things constant.

3. The formula for calculating income elasticity of demand is the percent change in quantity demanded divided by the percent change in income. With income elasticity of demand, you can tell if a particular good represents a necessity or a luxury.

### How to use Income elasticity of demand in a sentence?

1. Businesses use the measure to help predict the impact of a business cycle on sales.
2. The income elasticity of demand was demonstrated in the USA in 2008 as consumers tightened and controlled their spending extensively.
3. Income elasticity of demand is an economic measure of how responsive the quantity demand for a good or service is to a change in income. .
4. The formula for calculating income elasticity of demand is the percent change in quantity demanded divided by the percent change in income.
5. Many retail stores use the income elasticity of demand to help gauge how much product to order for holiday seasons because they know that if household income is on the rise, the potential for sales also increases proportionately.
6. You should always know how the income elasticity of demand will have a long lasting effect on your product and business.

Meaning of Income elasticity of demand & Income elasticity of demand Definition