How are the equilibrium price and quantity affected when?
(a) Both demand and supply curves shift in the same direction?
(b) Demand and supply curves shift in opposite directions?
When both the demand and supply curves shift in same direction then following will happen:
Cases |
Equilibrium Price |
Equilibrium Quantity |
Increase in demand is equal to increase in supply. |
Unchanged |
Increases |
Increase in demand more than increase in supply |
Increases |
Increases |
Increase in demand less than increase in supply |
Falls |
Increases |
Decrease in demand equal to decrease in the supply |
Unchanged |
Falls |
Decrease in demand more than the decrease in supply |
Falls |
Falls |
Decrease in demand less than decrease in supply |
Increases |
Falls |
(b) Demand and supply curves shift in opposite directions?
Cases |
Equilibrium Price |
Equilibrium Quantity |
Increase in demand is equal to decrease in supply. |
Increase |
Unchanged |
Decrease in demand more than increase in supply |
Unchanged |
Increases |
Decrease in demand less than increase in supply |
Decreases |
Increases |
Decrease in demand is more than increase in the supply |
Decrease |
Decrease |
Increase in demand less than the decrease in supply |
Increase |
Decrease |
Increase in demand more than decrease in supply |
Increases |
Increase |
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.
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?
When do we say that there is an excess demand for a commodity in the market?
When do we say that there is an excess supply for a commodity in the market?
Explain through a diagram the effect of a rightward shift of both the demand and supply curves on equilibrium price and quantity.
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?
In what respect do the supply and demand curves in the labor market differ from those in the goods market?
Explain how price is determined in a perfectly competitive market with a fixed number of firms.
Explain market equilibrium.
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?
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:
Quantity |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
Marginal Revenue |
10 |
6 |
2 |
2 |
2 |
0 |
0 |
0 |
- |
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?
When does a production function satisfy constant returns to scale?
What is the marginal product of an input?
What is the law of variable proportions?
What is the total product of input?
A monopoly firm has a total fixed cost of Rs 100 and has the following demand schedule:
Quantity |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Marginal Revenue |
100 |
90 |
80 |
70 |
60 |
50 |
40 |
30 |
20 |
10 |
Find the short run equilibrium quantity, price and total profit. What would be the equilibrium in the long run? In case the total cost is Rs.1000, describe the equilibrium in the short run and in the long run.
What does the price elasticity of supply mean? How do we measure it?
Can there be some fixed cost in the long run? If not, why?
At which point does the SMC curve intersect the SAC curve? Give a reason in support of your answer.
What is the relation between market price and marginal revenue of a price-taking firm?
Compute the total revenue, marginal revenue and average revenue schedules in the following table. Market price of each unit of the good is Rs 10.
Quantity Sold | TR | MR | AR |
---|---|---|---|
0 1 2 3 4 5 6 |