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Inferior Good
A product whose demand decreases as consumers' income levels increase, opposite to normal goods.
Income Rises
An increase in the amount of money received by individuals or households, often measured on an annual basis.
Complementary Goods
Products or services that are often used together, where the increase in demand for one leads to an increase in demand for the other.
Market Demand
The total quantity of a good or service that all consumers are willing to purchase at a given price over a specified period.
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