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Law of Supply

Definition

The law of supply states that as the price of a good or service increases, the quantity supplied by producers also increases, and vice versa.

Analogy

Think of a lemonade stand. When the price of lemons goes up, the lemonade stand owner will be motivated to produce more lemonade because they can make a higher profit. But if the price of lemons goes down, they might not be as motivated to produce as much.

Related terms

Market Supply: The total quantity supplied by all producers in a market at different prices.

Elasticity of Supply: Measures how responsive the quantity supplied is to changes in price.

Producer Surplus: The difference between what producers are willing to sell a good for and what they actually receive.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.