Question
Explain the distinction between change in demand and change in quantity demanded of a commodity.
OR
Explain the distinction between a shift in demand curve and a movement along the demand curve. Use diagram.✓
Answer
| S. No. | Basis | Change in a quantity demanded | Change in demand |
| 1. | Cause | Change in quantity demanded is due to change in price of the given commodity | alone, ceteris paribus. | Change in demand is due to change in factors other than price of the given commodity like change in income, change in taste etc. |
| 2. | DD curve | It causes “movement” along a demand curve. It is shown on the same demand curve. | It causes “shift” of the demand curve. It is shown on the new demand curve as rightward shift and leftward shift. |
| 3. | Diagram |
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