Question
Distinguish between increase in demand and increase in quantity demanded of a good.

Answer

S. No.
Basis
Increase in demand
Increase in quantity demanded
1.
Cause
Increase in demand is due to change in factors other than price of the given good e.g. increase in income, favourable change in tastes etc.
Increases in quantity demanded is due to fall in the own price of the given commodity.
2.
Demand curve
Increase in demand leads to "rightward shift” of the demand curve from DD' to D1D1.
Increase in quantity demanded leads to “downward movement” along a demand curve from point A to point B.
3.
Diagram

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