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प्रश्न
What do you mean by an ‘inferior good’? Give some examples.
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उत्तर
Inferior good: Those goods that share an inverse relationship with their prices and with the income of a consumer are called inferior goods. That is,
If the price of a good (Px) increases, then thedemand for good (Dx) decreases.
If a consumer’s income (M) increases, then the demand for good (Dx) decreases.
Examples: Coarse cereals, bidis etc.
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संबंधित प्रश्न
Income elasticity of demand for inferior goods is negative.
When the price of a commodity X falls by 10 percent. Its demand rises from 150 units to 180
units. Calculate is price elasticity of demand. How much should be the percentage fall in its
price so that its demand rises from 150 to 210 units?
Define or explain the following concept.
Unitary elastic demand.
What is the elasticity of demand?
Give reasons or explain the following statements
Demand for basic necessities is inelastic.
Consider the demand for a good. At price Rs 4, the demand for the good is 25 units. Suppose the price of the good increases to Rs 5, and as a result, the demand for the good falls to 20 units. Calculate the price elasticity.
Consider the demand curve D(p) = 10 − 3p. What is the elasticity at price `5/3` ?
Give reason or explain the following statement.
All desires are not demand.
Fill in the blank with appropriate alternatives given below:
Income elasticity of demand for inferior goods is __________.
Define or explain the following concept:
Unitary Elastic Demand
Write short answer for the following question :
Total outlay method of measuring price elasticity of demand.
State whether the following statement is true or false. Give valid reasons in support of your answer.
The coefficient of price elasticity of demand for the commodity is inversely related to the number of alternative uses of the commodity.
The concept of elasticity of demand was introduced by
Identify the correct pair of items from the following Columns I and II:
| Columns I | Columns II |
| (1) Perfectly elastic supply | (a) Es > 1 |
| (2) Perfectly inelastic supply | (b) Es < 1 |
| (3) Unitary elastic supply | (c) Es = 1 |
| (4) Relatively elastic supply | (d) Es = 0 |
Elasticity of the demand is available when:
Study the following table and answer the questions:
| Price of Pen (₹) | Demand for Pen |
| 10 | 500 |
| `square` | 400 |
| 30 | `square` |
| `square` | 200 |
| 50 | `square` |
Questions:
- Complete the above table.
- Which type of relationship is found between the price of a pen and demand for the pen?
Assertion (A) : A change in quantity demanded of one commodity due to a change in the price of other commodity is cross elasticity.
Reasoning (R) : Changes in consumers income leads to a change in the quantity demanded.
When change in price is greater than the change in quantity demand it is a case of elastic demand.
- Luxuries goods have generally elastic demand.
- Goods whose close substitutes are available have inelastic demand.
Define elasticity of demand.
