1.

At a price of 8rs per unit, the quantity supplied of a commodity is 200 units. Its price elasticity of supply is 1.5. If its price rises to 10rs per unit, calculate its quantity supplied at the new price.

Answer»

Solution :
PRICE ELASTICITY of Supply (ES) `=(DeltaQ)/(DeltaP)xx(P)/(Q)`
`1.5=(DeltaQ)/(2)xx(8)/(200)`, i.e., `DeltaQ=75`
As price DECREASES, then quantity supplied will also decrease. It means,
New Quantity =ORIGINAL Quantity (Q)+Change in Quantity `(DeltaQ]`
`=200+75=275` units
New Quantity `=275` units


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