1.

The price of a commodity is 10rs per unit and its quantity supplied at this price is 500 units . If its price falls by 10 per cent and quantity supplied falls to 400 units, calculate its price elasticity of supply.

Answer»

SOLUTION :
Percentage change in supply `=(DeltaQ)/(Q)xx100=(100)/(500)xx100=20%`
ES`=("Percentage Change in supply")/("Percentage Change in Price")=(20%)/(10%)=2`
`ES=2` (Supply is HIGHLY elastic as `ES gt 1`)
ES is ALWAYS positive due to direct relationship between price and quantity supplied.


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