Although the U.S. Supreme Court has long held that the Commerce Clause of the U.S. Constitution prohibits state taxes that discriminate against interstate commerce, it has failed to provide a clear explanation of which taxes are discriminatory. In this paper, we provide an economic analysis that...

The selective income tax exemption for home-state municipal bonds at issue in Davis v. Kentucky Department of Revenue is a barrier to interstate commerce.

In this paper, we provide an economic analysis that distinguishes neutral and discriminatory state taxation of interstate commerce.