A market supply schedule is expressed as Sm = SA + SB + …
Where Sm is the market supply and SA + SB +… are the individual supply of supplier A, supplier B and so on.
Let us understand the derivation of market supply schedule with the help of Table (Assuming, there are only 2 producers: A and B in the market):
As seen in Table, market supply is obtained by adding the supplies of suppliers A and B at different prices.
