Economic Definition of change in quantity supplied. Defined.
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Term change in quantity supplied Definition: The movement along a supply curve caused by a change in the price of the good. This should be contrasted directly with a change in supply. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in quantity supplied means that we have identified a NEW quantity on the existing supply curve. In contrast, a change in supply means that we have changed, moved, or shifted, the entire supply curve, the whole range of prices and quantities has changed.