The income elasticity of demand being greater than one, the commodity must be__
[ A ] a necessity
[ B ] a luxury
[ C ] an inferior good
[ D ] none of these
Answer : Option B
Explanation :
A positive income elasticity of demand is associated with normal goods: an increase in income will lead to a rise in demand. If income elasticity of demand of a commodity is less than 1, i t is a necessi ty good. I f the elasticity of demand is greater than 1, it is a luxury good or a superior good.