Supply refers to the quantity of good that suppliers would want to produce for the market at a given price.

In other words Supply is the quantity of out put brought for sale in the market at a certain price

Explanation

Difference between Stock and Supply

Stock is the quantity of out put which a seller has with him and has not yet been brought for sale.

Supply is the quantity of output brought from the existing stock for sale at a certain price in the market.

Supply Schedule

The supply schedule will tells that what quantity of the commodity producer wishes to supply at different prices.

Supply Curve

The relation between quantity supplied and price is graphically presented as Supply Curve.

A Supply curve is drawn by taking:

• a)      quantity supplied on x-axis

• b)      price on y-axis

In a figure the curve SS representing a Supply Curve:

At point P in the Supply curve:

Quantity demanded is 18 units at price level of Rs.15.

Shape of Supply Curve

A supply curve is more likely to be straight line with positive slope. This is because so with the increase in price there is an increase in quantity supplied.