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प्रश्न
Define elasticity of demand.
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उत्तर
Price elasticity of demand tells us the amount of the change in the quantity demanded of a commodity in response to change in its price. In other words, it measures the degree of change of demand in response to changes in price.
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संबंधित प्रश्न
Demand for the commodity having multiple uses has elastic demand.
Price elasticity of demand for the two goods X and Y are zero and (–) 1 respectively. Which of the two is more elastic and why?
The measure of price elasticity of demand of a normal good carries minus sign while price elasticity of supply carries plus sign. Explain why?
A consumer buys 27 units of a good at a price of Rs 10 per unit. When the price falls to Rs 9 per unit, the demand rises to 30 units. What can you say about price elasticity of demand of the good through the 'expenditure approach'?
Explain any 'two methods' of measuring price elasticity of demand.
A consumer spends Rs 200 on a good priced at Rs 5 per unit. When the price falls by 20 percent, he continues to spend Rs 200. Find the price elasticity of demand by percentage method.
State whether the following statements are TRUE or FALSE :
The demand of foodgrains is inelastic.
What do you mean by substitutes? Give examples of two goods which are complements of each other.
Fill in the blank with appropriate alternatives given below:
Perfectly elastic demand curve is ________________.
Fill in the blank with appropriate alternatives given below:
The slope of demand curve is _______________ in case of inelastic demand.
Give economic term:
Elasticity resulting from infinite change in quantity demanded.
If quantity supplied increases by 60% due to a 50% increase in price, then elasticity of supply is ______
Identify the correctly matched pair from the items in Column A by matching them to the items in column B:
| Column A | Column B |
| 1. Increase or decrease in demand for a commodity does not cause any change in its price. | (a) Effect on supply, in the case of Perfectly Elastic Demand. |
| 2. Increase or decrease in demand causes a change in the price of the commodity. Equilibrium quantity remains constant. | (b) Effect on demand, in the case of Perfectly Inelastic Supply. |
| 3. Increase or decrease in demand cause a change in the price of the commodity. Equilibrium quantity remains constant. | (c) Effect on demand, in the case of Perfectly Elastic Supply. |
| 4. Increase or decrease in demand for a commodity does not cause any change in its price. | (d) Effect on supply, in the case of Perfectly Elastic Demand. |
Mention any two examples of composite demand.
The price of a good decreases from ₹100 to 80 per unit. If the price elasticity of demand for the good is 2 and the original quantity demanded is 30 units, calculate the new quantity demanded.
Explain the concept of price elasticity of demand.
Price elasticity of demand is defined as the percentage change in the quantity demanded of a commodity divided by the percentage change in the price of that commodity.
Who introduced the concept of elasticity of demand?
