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Economics XII A, D

Mrs. Rekha Rajan, PGT (ECO) 

Unit II

Topic –Consumers Behaviour and Demand 

Date of submission: 20.07.2009 
 

  1. What are the different methods employed for measuring elasticity of demand?
  2. Calculate the price elasticity of demand using total expenditure method.

 

      Price (Rs.) Total Expenditure (Rs.)
      4 

      6

      40 

      50

  1. When the price of a good falls from Rs. 10 per unit to Rs. 9 per unit, its demand rises from 9 units to 10 units.  Compare expenditure on the good to find price elasticity of demand.

 

  1. A consumer buys 80 units of a good at a price of Rs.5 per unit.  Suppose the price elasticity of demand is (-)2.  At what price he will buy 64 units?

 

  1. When price of a good falls from Rs.5 to Rs.3 per unit, its demand rises by 40%.  Calculate its price elasticity of demand.

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