Class 11 Micro Economics Notes · CBSE

Price Floor

Price Floor — understanding minimum support prices above equilibrium and the surplus and buffer stock they create. CBSE Class 11 Microeconomics notes with the floor graph.

Last updated: 16 Sep 2026

Notes

Meaning and Need

Price Floor (Minimum Support Price / MSP)

Price Floor refers to the minimum price (above the equilibrium price), fixed by the government, which the producers must be paid for their produce. Price Floor or Minimum Price Ceiling refers to the imposition of a lower limit on the price that may be charged for a particular good or service.

Need for Price Floor: the need arises when the government finds that the equilibrium price is too low for the producers. When the government feels that the price fixed by the forces of demand and supply is not remunerative from the producers’ point of view, then it fixes a price (known as Price Floor) which is more than the equilibrium price.

Agricultural Price Support

Most well-known examples of imposition of Price Floor are agricultural price support programmes and minimum wage legislation. The Indian Government maintains a variety of minimum support price programmes for various agricultural products like wheat, sugarcane etc., and the floor is normally set at a level higher than the market determined price for these goods.

Minimum Wage Legislation

Under minimum wage legislation, the government aims to ensure that the wage rate of labour does not fall below a particular level, and minimum wages are set above the equilibrium wage level (as discussed in case of Price Floor).

Step 1

Suppose, to protect the producers’ interest and to provide incentive for further production, the government declares OP₁ as the minimum price (known as Price Floor), which is more than the equilibrium price of OP.

Step 2

The equilibrium is determined at point E, when demand curve DD and supply curve SS intersect each other — the equilibrium price of OP is determined.

The Price Floor Diagram ()

Price Floor

At this ‘Support Price’ (OP₁), the producers are willing to supply P₁B (or OQ₂), while consumers demand only P₁A (or OQ₁). This creates a situation of surplus in the market, which is equivalent to AB in the diagram. ⭐

Price Floor is also known as ‘Support Price’ as it is normally fixed above the equilibrium price to protect the interest of producers like farmers. At this support price, the government buys the entire produce of farmers which they fail to sell in the open market. The excess supply may be purchased by the government either to increase its buffer stocks or for exports.

Implications, Buffer Stock and Minimum Wage

Implications of Price Floor: Price Floor is normally set at a level higher than the equilibrium price. This leads to excess supply. Since producers are not able to sell all they want to sell, they illegally sell the good or service below the minimum price.

Buffer Stock

Buffer Stock is an important tool in the hands of the government to ensure price floor. When the market price is lower than what the government feels should be given to the farmers/producers, it purchases the commodity at the higher price from the farmers/producers so as to maintain a stock of the commodity with itself, to be released in case of shortage of the commodity in future.

Minimum Wage Legislation

Price Ceiling vs Price Floor

Difference between Price Ceiling and Price Floor
Aspect	Price Ceiling	Price Floor
Meaning	It means the imposition of an upper limit on the price of a good by the government.	It means the imposition of a lower limit on the price that may be charged for a particular good or service.
Relation with Equilibrium Price	It is fixed at a level lower than the equilibrium price.	It is fixed above the equilibrium price.
Purpose/Objective	It is generally imposed on essential items so that common people can afford them.	It is generally imposed to protect the interests of a certain category of producers.
Impact	This leads to excess demand, i.e. a shortage is created in the market, which may further lead to Black Marketing.	This leads to excess supply, i.e. a surplus is created, which is either bought by the government or sold by producers below the minimum price.

Key Takeaways

A price floor is a legally fixed minimum price set above the equilibrium price to protect producers. ⭐
Its purpose is producer protection — the free-market equilibrium price is not remunerative for producers like farmers. ⭐
At the floor price, quantity supplied exceeds quantity demanded — a surplus equal to AB is created. ⭐
The government buys the unsold produce at the support price to build buffer stocks or for exports. ⭐
Buffer stock is the tool that enforces the price floor: buy high now, release in future shortages. ⭐
Producers may illegally sell below the minimum price because they cannot sell all they want at the floor. ⭐
Minimum wage legislation is a price floor applied to the labour market. ⭐
Ceiling = upper limit below equilibrium (shortage); Floor = lower limit above equilibrium (surplus). ⭐