In recent years, policymakers across the globe have become increasingly interested in not only the revenue consequences of tax policies but also their distributional impacts: that is, their impacts on different segments of the population. Such evidence can promote a more equitable and...

This paper is about “Capital in the Twenty-first Century” by Thomas Piketty. It identifies his central macroeconomic claims and examines them, arguing that the contentions are theoretically and empirically unwarranted.