Class 12 Micro Economics - Chapter Market Equilibrium NCERT Solutions | When do we say that there is an excess s

How will a change in the price of coffee affect the equilibrium price of tea? Explain the effect on equilibrium quantity also through a diagram. 

When do we say that there is an excess demand for a commodity in the market?

Suppose the price at which the equilibrium is attained in exercise 5 is above the minimum average cost of the firms constituting the market. Now if we allow for free entry and exit of firms, how will the market price adjust to it?

Suppose the market determined rent for apartments is too high for common people to afford. If the government comes forward to help those seeking apartments on rent by imposing control on rent, what impact will it have on the market for apartments?

Explain through a diagram the effect of a rightward shift of both the demand and supply curves on equilibrium price and quantity.

How are equilibrium price and quantity affected when income of the consumers

a) Increase

b) Decrease

Explain market equilibrium.

Explain how price is determined in a perfectly competitive market with a fixed number of firms.

Suppose the demand and supply curves of salt are given by:

(a) Find the equilibrium price and quantity.

(b) Now, suppose that the price of an input that used to produce salt has increased so, that the new supply curve is qs = 400 + 3p

How does the equilibrium price and quantity change? Does the change conform to your expectation?

(a) Suppose the government has imposed at ax of Rs 3 per unit of sale on salt. How does it affect the equilibrium rice quantity? 

In what respect do the supply and demand curves in the labor market differ from those in the goods market?

Explain the concept of a production function

What would be the shape of the demand curve so that the total revenue curve is?

(a) A positively sloped straight line passing through the origin?

(b) A horizontal line?

Discuss the central problems of an economy.

What are the characteristics of a perfectly competitive market?

What do you mean by the budget set of a consumer?

What is the total product of input?

From the schedule provided below calculate the total revenue, demand curve and the price elasticity of demand:

What do you mean by the production possibilities of an economy?

How are the total revenue of a firm, market price, and the quantity sold by the firm related to each other?

What is budget line?

Distinguish between a centrally planned economy and a market economy.

What is meant by prices being rigid? How can oligopoly behavior lead to such an outcome? 

What is the supply curve of a firm in the short run?

A firm earns a revenue of Rs 50 when the market price of a good is Rs 10. The market price increases to Rs 15 and the firm now earns a revenue of Rs 150. What is the price elasticity of the firm’s supply curve?

Consider a market with two firms. The following table shows the supply schedules of the two firms: the SS₁ column gives the supply schedule of firm 1 and the SS₂ column gives the supply schedule of firm 2. Compute the market supply schedule.

What is the total product of input?

What is the relation between market price and marginal revenue of a price-taking firm?

What do you understand by positive economic analysis?

There are three identical firms in a market. The following table shows the supply schedule of firm 1. Compute the market supply schedule.

What does the price elasticity of supply mean? How do we measure it?