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Questions
With the help of a suitable diagram, distinguish between a change in quantity demanded and a change in demand.
Differentiate between change in quantity demanded and change in demand.
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Solution
| Change in quantity demanded | Change in demand | ||
| (i) | It consists of the extension of demand and the contraction of demand. | (i) | It consists of an increase in demand and a decrease in demand. |
| (ii) | Other things being equal, when there is a change in the price there of a good, the resulting change in demand is defined as a change in quantity demanded. | (ii) | When demand changes on account of the factors other than change in price, this is called as change in demand. |
| (iii) | The change in quantity demanded is shown on the same or original demand curve. | (iii) | The change in demand is shown on the different demand curves. |
| (iv) | Extention of demand |
(iv) | Increase in demand |
| (v) | Contraction in demand |
(v) | Decrease in demand |
RELATED QUESTIONS
What is meant by the contraction in demand?
What is meant by an increase in demand?
What is an expansion of demand?
Explain the following diagram:
In order to encourage tourism in Goa, Government of India suggests Indian Airlines to reduce air fares to Goa from four major cities: Chennai, Kolkata, Mumbai and New Delhi. If the Indian Airlines reduces the air fare to Goa, how will this affect the market demand curve for air travel to Goa?
Distinguish between “movement along the demand curve” and shift of a demand curve.
The following table shows a change in the demand. Read the table carefully and answer the question that follows:
| Case I | Case II | ||
| Price (₹) | Quantity | Price (₹) | Quantity |
| 10 | 20 | 10 | 20 |
| 10 | 10 | 5 | 20 |
What type of change is it, decrease in demand or contraction in demand? Give a reason.
With the help of a suitable diagram, explain expansion in demand.
State whether the following statement is true or false. Give reasons.
An increase in the demand for a commodity is due to a fall in its price.
State whether the following statement is true or false. Give reasons.
Contraction of demand is the result of a decrease in the number of consumers.
