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प्रश्न
Draw a straight-line demand curve joining both the axes. Indicate the following on the demand curve.
Elasticity of demand is equal to zero
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उत्तर
A straight-line demand curve joining both the axes is shown below:
The elasticity of demand is different at different points.
`"measured by Elasticity" = "Lower segment of demand curve"/ "Upper segment of demand curve"`
The elasticity of demand is equal to zero at point A on the diagram, as the lower segment is zero.
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संबंधित प्रश्न
State and explain the ‘law of demand’ with its exceptions.
When does ‘increase’ in demand take place?
Explain how do the following influence demand for a good:
i. Rise in income of the consumer.
ii. Fall in prices of the related goods
Distinguish between individuals demand and market demand.
If with the rise in the price of good Y, demand for good X rises, the two goods are: (Choose the correct alternative)
a. Substitutes
b. Complements
c. Not related
d. Jointly demanded
How does change in the price of a substitute good affect the demand of the given good? Explain with the help of an example.
What does a rightward shift of demand curve indicate?
Define or explain the following concept.
Market Demand .
State with reason, whether you Agree or Disagree with the following statement.
The demand curve slopes downward from left to right.
Write explanatory notes or answer the following.
Aggregate demand
Statements related to decrease in demand
- It is a type of change in demand
- It takes place due to unfavourable changes in other factors like tastes, income etc.
- Price remains constant
- Demand curve shifts to the right hand side of the original demand curve
Assertion (A): Under exceptional cases, demand curve has a positive slope.
Reasoning (R): In exceptional cases, consumer buys more when the price of a commodity rises and buys less when the price of commodity falls.
The shape of supply curve is ______
Identify the correctly matched items from Column I to that of Column II:
| Column I | Column II |
| (1) Demand Curve of Perfect Competition | (a) V-shaped Curve |
| (2) Demand Curve of Monopoly | (b) U-shaped Curve |
| (3) Demand Curve of Monopolistic Competition | (c) Upward rising |
| (4) Demand Curve of Oligopoly | (d) In-determinant |
- Assertion (A): The demand curve slopes downwards.
- Reasoning (R): A fall in the price of goods increases the real income of the consumer enabling him/her to buy more.
Study the following table and answer the questions:
| Price of Ice Cream (₹) | Quantity Supplied | Market Supply | ||
| Seller A | Seller B | Seller C | (A + B + C) | |
| 50 | 0 | 2 | 5 | 7 |
| 100 | 1 | `square` | 10 | 15 |
| 150 | `square` | 6 | 15 | 23 |
| 200 | 3 | 8 | 20 | `square` |
| 250 | 4 | 10 | `square` | 39 |
Questions:
- Complete the above table.
- State whether the following statements are True or False.
(a) Market supply has a direct relation to price.
(b) As the price rises from ₹50 to ₹250, market supply rises from 7 to 39. This indicates an increase in supply.
Figures (A), (B) and (C) given below represent different types of Demand curves.
 |
 |
 |
| (A) | (B) | (C) |
What kind of goods do each of these Demand curves represent? Give a reason for each of the curves.
How is the market demand curve constructed from individual demand curves?
