Under discussion in the US Congress is the desirability of reforming much of the US federal tax code. Recent proposals include lowering rates and broadening the tax base by, among other things, eliminating tax expenditure write-offs, preferences, and incentives. This study focuses on tax changes...

US state carbon intensities are highly heterogeneous, and few studies have been aimed at identifying the causes of these differences among states. Determining the factors that enable certain states to develop their economies on a less carbon-intensive trajectory can give us insight into how...