Tax compliance in the United States has long relied on information from centralized intermediaries — the financial institutions, employers, and brokers that help ensure income is reported and taxes are paid. Yet while the IRS remains tied to these centralized entities, consumers and businesses...

Tax progressivity is undeniably central to both the detailed analytics of tax policy and the rhetorical arguments commonly used in public discourse. Yet there are surprisingly inconsistent and inaccurate uses of this seemingly objective term. By theorizing progressivity's constitutive elements...