Question
Differentiate between increase in demand and expansion in demand (increase in quantity demanded).

Answer

S. No.
Basis
Increase in Demand
Expansion in Demand
1.
Meaning
An increase in demand means that consumers now demand more at a given price level.
It states that rise in quantity demanded due to fall in price of the commodity.
2.
Cause
  • Price of substitute goods rises.
  • Price of complementary goods falls.
  • Income of a consumer rises in case of normal goods.
  • Income of a consumer falls in case of inferior goods.
  • When preferences are favourable.
  • It is caused by fall in price of the commodity.
3.
Basis should be Schedule and Price (*) demand (Units)
Price (Rs)
Demand (Units)
4
8
4
10
 
 
Price (Rs)
Demand (Units)
2
8
1
10
 
 
4.
Diagram

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