This article presents a new measure of the efficiency consequences of tax policies and explains how this new measure can shed light on a wide range of tax law debates. We build upon the “elasticity of taxable income” approach pioneered by public finance scholars over the last quarter century...

The choice of the proper discount rate is important in the analysis of projects whose costs and benefits extend into the future, a particularly striking feature of policies directed at climate change. Much of the literature, including prominent work by Arrow et al. (1996), Stern (2007, 2008),...

Assessment of climate change policies requires aggregation of costs and benefits over time and across generations, a process ordinarily done through discounting. Choosing the correct discount rate has proved controversial and highly consequential. To clarify past analysis and guide future work,...

This paper considers whether knowledge of the tax law is socially desirable. Unlike other laws, which most often attempt to channel behavior, revenue raising taxes attempt to avoid changing behavior, so it is not obvious whether or when knowledge of the tax law is desirable. I argue that whether...

This paper analyzes the choice between taxes and cap and trade systems (also referred to here as a permit system or a quantity restriction) as methods of controlling greenhouse gas emissions. It argues that in the domestic context, with proper design, the two instruments are essentially the...