A change in quantity supplied is illustrated by a movement along the supply curve and a change in supply by shift of the supply curve.
Supply refers to the total amount of a specific good or service that is available to consumers. It is the quantity of a particular product or service that suppliers offer to consumers at a specified price.
Movement along the supply curve occurs when a change in quantity supplied is caused only by a change in price and vice versa.
Hence, a change in quantity supplied is illustrated by a movement along the supply curve and a change in supply is illustrated by a shift of the supply curve.
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