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Income Elasticity of Demand |
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Income Elasticity of Demand A measure of whether a good is considered a necessity or a luxury. It is measured as a ratio of the change in demand for a good to the change in consumer income. Demand for a necessity tends to change slowly with changes in income; that is, as consumers become wealthier, they do not necessarily buy more of a necessity because they already have all they need. On the other hand, demand for luxury increases quickly with increases in income, as consumers buy more of a luxury when they become wealthier. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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