The income elasticity of consumption depends not only on the demand function but also on the characteristics of the supply function. If the supply of the underlying good (e.g., gasoline, natural gas, or housing) is not completely elastic, the income elasticity of equilibrium consumption will be...

The income elasticity of consumption depends not only on the demand function but also on the characteristics of the supply function. If supply is not completely elastic, the income elasticity of consumption will be less than the income elasticity of demand, with the difference depending on the...