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प्रश्न
Give reason or explain the following statement:
Concept of Elasticity of Demand helps trade union leaders.
उत्तर
The concept of elasticity of demand is used by trade union leaders in collective bargaining. For instance, the trade union leaders can bargain for higher wages if they know that the demand for their labour is inelastic.
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संबंधित प्रश्न
Income elasticity of demand for inferior goods is negative.
Income elasticity of demand for inferior goods is negative.
Explain the factors determining the elasticity of demand.
Price elasticity of demand of goods X is -2 and goods Y is -3. Which of the two goods is more price elastic and why?
A consumer buys 18 units of a good at a price of Rs 9 per unit. The price elasticity of demand for the good is (–) 1. How many units the consumer will buy at a price of Rs 10 per unit? Calculate.
The price elasticity of demand for a good is - 0.4. If its price increases by 5 percent, by what percentage will its demand fall? Calculate.
What will be the effect of 10 percent rise in price of a good on its demand if price elasticity of demand is (a) Zero, (b)-1, (c)-2.
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?
As we move along a downward sloping straight line demand curve from left to right, price
an elasticity of demand : (choose the correct alternative)
(a) remains unchanged
(b) goes on falling
(c) goes on rising
(d) falls initially then rises
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?
When the price of good rise from Rs 10 per unit to Rs 12 per unit, its quantity demanded falls by 20 percent. Calculate its price elasticity of demand. How much would be the percentage change in its quantity demanded, if the price rises from Rs 10 per unit to Rs 13 per unit?
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 spends Rs 1,000 on a good priced at Rs10 per unit. When its price falls by 20 percent, the consumer spends Rs800 on the good. Calculate the price elasticity of demand by the Percentage method
A consumer spends Rs 400 on a good priced at Rs 8 per unit. When its price rises by 25 percent, the consumer spends Rs 500 on the good. Calculate the price elasticity of demand by the Percentage method.
Price elasticity of demand of a good is (-)1. When its price per unit falls by one rupee, its de from 16 to 18 units. Calculate the price before a change
A consumer buys 30 units of a good at a price of the Rs10per unit. The price elasticity of demand for the good is (-) 1. How many units will the consumer buy at a price of Rs 9 per unit? Calculate.
When the price of a good falls from Rs 10 to Rs 8 per unit, its demand rises from 20 units to 24 units. What can you say about price elasticity of demand of the good through the expenditure approach?
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'?
Price elasticity of demand of a good is (-) 1. Calculate the percentage change in price that will raise the demand from 20 units to 30 units.
Explain any 'two methods' of measuring price elasticity of demand.
Discuss any four factors affecting 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.
A consumer spends Rs 400 on a good priced at Rs 4 per unit. When the price rises by 25 percent, the consumer continues to spend Rs 400. Calculate the price elasticity of demand by percentage method.
A consumer buys 10 units of a commodity at a price of Rs. 10 per unit. He incurs an expenditure of Rs 200 on buying 20 units. Calculate price elasticity of demand by the percentage method. Comment upon the shape of demand curve based on this information.
8 units of a good are demanded at a price of Rs 7 per unit. Price elasticity of demand is (−) 1. How many units will be demanded if the price rises to Rs 8 per unit? Use expenditure approach of price elasticity of demand to answer this question.
Define or explain the following concept.
Unitary elastic demand.
Write short note on:
factors determining elasticity of demand .
What is the elasticity of demand?
State whether the following statement isTrue or False with reason:
The concept of elasticity of demand is useful in economic theory.
Give reasons or explain the following statements
Demand for basic necessities is inelastic.
Fill in the blanks with appropriate alternatives given in the bracket.
Demand elasticity can be measured from demand curve by ___________ method.
What do you mean by a normal good?
What do you mean by an ‘inferior good’? Give some examples.
What do you mean by substitutes? Give examples of two goods which are complements of each other.
Explain price elasticity of demand.
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` ?
Fill in the blank with appropriate alternatives given below:
Cross elasticity of demand is applicable to ____________ goods.
Fill in the blank with appropriate alternatives given below:
The slope of demand curve is _______________ in case of inelastic demand.
State whether the following statement is TRUE and FALSE.
Demand for luxuries is elastic.
State whether the following statement is TRUE and FALSE.
Perfectly inelastic demand curve is parallel to the X axis.
State whether the following statement is TRUE and FALSE.
Total outlay is price multiplied by quantity.
State whether the following statement is TRUE and FALSE.
Unitary Elastic Demand rarely occurs in practice.
Define or explain the following concept:
Unitary Elastic Demand
Give reason or explain the following statement:
Demand for necessaries is inelastic.
Give reason or explain the following statement:
Demand for habitual goods is inelastic.
Give reason or explain the following statement:
Demand for commodity having multiple uses has elastic demand.
Give reason or explain the following statement:
Demand for goods having snob appeal has elastic demand.
Answer the following question.
Draw diagrams to show the elasticity of demand when it is:
(i) Greater than one
(ii) Less than one
(iii) Unity
Define price elasticity of demand.
Answer the following question.
If the price of a commodity rises by 40% and its quantity demanded falls from150 units to 120 units, calculate the coefficient of price elasticity of demand for the commodity.
State whether the following statement is true or false. Give valid reasons in support of your answer.
Luxury goods often have lower price elasticity of demand.
Choose the correct answer from given options.
The expenditure on a good would change in the opposite direction as the price changes only when demand is ______
Answer the following question.
When the price of X doubles, its quantity demanded falls by 60 percent. Calculate its price elasticity of demand. What should be the percentage change in price so that its quantity demanded doubles?
Arrange the following coefficients of price elasticity of demand in ascending order:
(−) 3.1, (−) 0.2, (−) 1.1
Give economic term:
Elasticity resulting from infinite change in quantity demanded.
The concept of elasticity of demand was introduced by
What are the degrees of price elasticity of Demand?
What are the methods of measuring Elasticity of demand?
If a good takes up a significant share of consumers' budget, its demand will be ______.
Assertion (A): The elastic demand curve for luxuries is flatter than normal.
Reason (R): The coefficient of Elasticity ranges between 0 and 1.
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. |
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 | Relatively Inelastic Demand | (a) | ed > 1 |
| 2 | Relatively Elastic Demand | (b) | ed < 1 |
| 3 | Perfectly Inelastic Demand | (c) | ed = 0 |
| 4 | Perfectly Elastic Demand | (d) | ed = 1 |
State with reasons whether you agree or disagree with the following statement:
The elasticity of demand gets influenced by the nature of the commodity.
Explain the concept of price elasticity demand.
The elasticity of demand for school bag will be ______.
Explain the term elasticity of demand.
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.
When is the demand for a good said to be elastic?
