Income Elasticity Of Demand

A measure of the relationship between a change in income and a change in quantity of a good demanded:

Income Elasticity Of Demand

The degree to which a demand for a good changes with respect to a change in income depends on whether the good is a necessity or a luxury. The demand for necessities will increase with income, but at a slower rate. This is because consumers, instead of buying more of only the necessity, will want to use their increased income to buy more of a luxury. During a period of increasing income, demand for luxury products tends to increase at a higher rate than the demand for necessities.

Investment dictionary. . 2012.

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  • income elasticity — elasticity of demand with respect to income, measure of how responsive the level of demand is to a change in income (Finance) …   English contemporary dictionary

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