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The Definitions Of Income, John R. Brooks

Georgetown Law Faculty Publications and Other Works

What is income? It’s a seemingly simple question that’s surprisingly hard to answer. Income is the basis for assigning tax burdens, for distributing transfers, and for broader normative issues of inequality and justice. Yet we lack a shared conception of income, and a pure, rigorous definition of income is impossible. In this Article I review the intellectual history of the income concept among tax and fiscal theorists to show the difficulty of the problem, and also to show that some important debates about what’s proper under an income tax can be explained instead as arguments over competing income definitions that …