1.

When the price of a good falls from 10rs per unit to 8rs per unit, its supply falls by 25 units from 125 units. Calculate elasticity of supply (ES) by percentage method.

Answer»

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Solution :
Percentage change in price= `(DeltaP)/(P)xx100=(2)/(10)xx100=20%`
Percentage change in supply `= (DeltaQ)/(Q)xx100=(25)/(125)xx100=20%`
`ES=1` (Supply is unit ELASTIC)
ES is always positive due to DIRECT relationship between price and quantity supplied.


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