The term “necessity” is given to a good that has a price elasticity of less than one because we need that good to survive in this society, but a good that has a price elasticity of more than one is called a “luxury” because we do not need that certain good for our survival; it is something extra for our enjoyment. | The term “necessity” is given to a good that has a price elasticity of less than one because we need that good to survive in this society, but a good that has a price elasticity of more than one is called a “luxury” because we do not need that certain good for our survival; it is something extra for our enjoyment. |