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If the consumer purchases only two goods,X and Y,and if (MUx / Px) = (MUy / Py) then the consumer cannot reallocate her expenditures on X and Y to increase her utility,unless she has more money to spend.
Normal Goods
Goods for which demand increases as consumer income rises, and decreases as consumer income falls.
Income Elasticity
A measure of how the demand for a good or service changes in response to changes in consumers' income.
Inferior Good
A type of good for which demand decreases when the income of the consumer increases, inversely related to consumer income.
Inferior Good
A type of good for which demand decreases as the income of consumers increases, in contrast to a normal good.
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