The state corporate income tax has been and remains a vital source of income for the states. The theoretical justifications for this tax, however, are weak and, as reasonably predicted based on its poor design, the state corporate income tax has been in decline as a source of state revenue for...

A centerpiece of the 2017 federal tax legislation's reforms to international corporate income tax rules is the new global intangible low-taxed income regime (or GILTI). In a prior essay, we argued that U.S. state governments should conform to GILTI. But might there be constitutional restrictions...

This essay evaluates the limits on the U.S. federal government's powers to restrict the taxing powers of state governments. The essay revisits earlier debates on this question, to consider the implications of the Supreme Court's decision in National Federation of Independent Business v. Sebelius...

This essay argues that the current COVID-19 crisis is the perfect time to make revenue-raising reforms to state corporate income taxes — reforms that would have been desirable policy improvements even during an economic upturn, but that are even more clearly good policy moves in light of the...

States and localities offer businesses an enormous amount of tax incentives to locate within their jurisdictions despite: 1) the mass of evidence that suggests that these incentives are not particularly effective and, 2) substantial doubts about their constitutionality. In this essay, we develop...