How much of a good is offered for a sale at a specific price?

It is indeed quantity supplied and the economists define it as the amount of a good that sellers are willing to sell and are able to sell. One of the movements related to the quantity supplied syas that when there are rising prices then there are new firms into a market and add to the quantity supplied of a good. Quantity supplied can be measured with a Market supply curve or the Elasticity of supply.

Quantity supplied

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