Alan Auerbach and Kevin Hassett offer a new measure of horizontal equity (HE) that is designed to overcome deficiencies in prior indexes. There is, however, a fundamental problem that their effort shares with their predecessors' attempts: the underlying rationale for pursuing HE at the expense...

Horizontal equity -- the command that equals be treated equally -- has received increased attention, particularly in attempts to measure the desirability of tax reform proposals. This paper questions whether the normative foundations for horizontal equity justify the indexes and approaches that...

This paper establishes that, far from being able to derive the principle of horizontal equity from utilitarianism, the principle is actually in- consistent with utilitarianism in a variety of circumstances. We derive conditions under which (a) it is optimal to impose random tax schedules (ex...

Much criticism of the income tax involves administration: the enormous complexity of the system is responsible for large compliance costs, public and private, and the tax gap is large despite substantial resources devoted to enforcement. The desire for simplification and improved compliance...

Anti-utilitarian norms often are used in assessing tax systems. Two motivations support this practice. First, many believe utilitarianism to be insufficiently egalitarian. Second, utilitarianism does not give independent weight to other equitable principles, notably concerns that reforms may...