Which of the following statements about the income elasticity of demand is accurate?It measures the response of demand to changes in income.It is always positive.It is always negative.It is always zero
Question
Which of the following statements about the income elasticity of demand is accurate?It measures the response of demand to changes in income.It is always positive.It is always negative.It is always zero
Solution
The accurate statement about the income elasticity of demand is: "It measures the response of demand to changes in income."
Here's why:
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Income elasticity of demand is a measure of the relationship between a change in the quantity demanded for a particular good and a change in real income.
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The income elasticity of demand is not always positive. This is because it can be positive for normal goods (those goods for which demand increases as income increases), and negative for inferior goods (those goods for which demand decreases as income increases).
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Similarly, the income elasticity of demand is not always negative. As mentioned above, it can be positive for normal goods.
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The income elasticity of demand is not always zero. A zero income elasticity of demand means that the quantity demanded does not change as income changes, which is not the case for most goods.
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