How does one determine whether demand/supply is elastic, inelastic, or unit elastic?
Ans) Elasticity of demand/supply is the responsiveness of quantity demanded/supplied to change in price.
Elasticity of demand carries a negative sign, which shows inverse relationship between price and quantity demanded. While elasticity of supply is positive, which shows direct relationship between price and quantity supplied.
Elasticity = (%change in quantity demanded/supplied) ÷ %change in price
If %change in quantity demanded/supplied is more than the %change in price then demand/supply is said to be Elastic in nature. And value of elasticity is more than 1.
If %change in quantity demanded/supplied is less than the %change in price then demand/supply is said to be Inelastic. In this case value of elasticity is less than 1.
If %change in quantity demanded/supplied is equal to the %change in price then the elasticity of demand/supply is said to be unit elastic. In this case value of elasticity is 1.
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