Law Commons^™

What Is Tax Discrimination?, Ruth Mason, Michael S. Knoll

All Faculty Scholarship

Prohibitions of tax discrimination have long appeared in constitutions, tax treaties, trade treaties, and other sources, but despite their ubiquity, little agreement exists as to how such provisions should be interpreted. Some commentators have concluded that tax discrimination is an incoherent concept. In this Article, we argue that in common markets, like the EU and the United States, the best interpretation of the nondiscrimination principle is that it requires what we call “competitive neutrality,” which prevents states from putting residents at a tax-induced competitive advantage or disadvantage relative to nonresidents in securing jobs. We show that, contrary to the prevailing …