income-elasticity of demand

see ELASTICITY OF DEMAND.

income-elasticity of demand

a measure of the degree of responsiveness of DEMAND to a given change in INCOME:

If a given change in income results in a more than proportional change in quantity demanded, then demand is said to be income-elastic, while if a given change in income results in a less than proportional change in quantity demanded, then demand is income-inelastic.

Income-elasticity is positive for a NORMAL PRODUCT and negative for an INFERIOR PRODUCT. STAPLE PRODUCTS tend to have an income-elasticity of demand of less than 1, whereas LUXURY PRODUCTS generally tend to have an income-elasticity of more than 1. See ENGEL'S LAW, INCOME EFFECT, INCOME-CONSUMPTION CURVE, DEMAND CURVE ( SHIFT IN).

单词	income-elasticity of demand
释义	income-elasticity of demand income-elasticity of demand see ELASTICITY OF DEMAND. income-elasticity of demand a measure of the degree of responsiveness of DEMAND to a given change in INCOME: If a given change in income results in a more than proportional change in quantity demanded, then demand is said to be income-elastic, while if a given change in income results in a less than proportional change in quantity demanded, then demand is income-inelastic. Income-elasticity is positive for a NORMAL PRODUCT and negative for an INFERIOR PRODUCT. STAPLE PRODUCTS tend to have an income-elasticity of demand of less than 1, whereas LUXURY PRODUCTS generally tend to have an income-elasticity of more than 1. See ENGEL'S LAW, INCOME EFFECT, INCOME-CONSUMPTION CURVE, DEMAND CURVE ( SHIFT IN).
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