The horizontal summation of the quantities supplied by individuals, firms, states, or even nations at each price over a fixed time period represents the market supply.
Market supply means the total amount of goods or services that are produced by all the producers in a market including individuals, firms etc. in a defined period of time. All the businesses have their own unique supply curve due to their manufacturing infrastructure, cost structure and restrictions. When we add the supply curve of all these individual firms we get the market supply.
Supply curve is the graphical representation of the amount of goods and services that a firm is willing to produce at a given price of the goods or services.
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