| − | Necessities are goods for which demand is inelastic. No matter how high the price goes, demand will still remain static, because they are essential. [[Income Elasticity of Demand]] for a necessity is less than one. | + | '''Necessities''' are goods for which demand is inelastic. No matter how high the price goes, demand will still remain static, because they are essential. [[Income Elasticity of Demand]] for a necessity is less than one. |