The difficulty of making a transition from an income-type to a consumption-type tax is often cited as an obstacle to such a change in policy. The problem is the double taxation of 'old savings' or 'old capital.' A person who has accumulated wealth under an income tax will be hit with an extra...

A number of tax reform plans under discussion in the United States would replace the existing hybrid income-based system with a consumption-based system. In this paper I use uniform (single-rate) consumption and income taxes: (a) to explain how the problem of taxing 'old savings' or 'old...