Optimum Taxation of Inheritance

Inheritances create a second distinguishing characteristic of individuals, in addition to earning abilities. We incorporate this fact into an optimum income taxation model with bequests motivated by joy of giving, and show that a tax on inherited wealth is equivalent to a uniform tax on consumption plus bequests. These taxes are desirable according to an intertemporal social objective if, on average, high-able individuals inherit more wealth than low-able. We demonstrate that such a situation results as the outcome of a process with stochastic transition of abilities over generations, if all descendants are more probable to have their parent’s ability rank than any other.