for helpful discussion. Autor acknowledges financial support from the Smith Richardson Foundation (#20202252), Accenture LLP (#027843-0001), the Andrew Carnegie Fellowship (G-F-19-56882), and the Washington Center for Equitable Growth (APP-01666). The analysis and conclusions set forth here are those of the authors and do not indicate concurrence by other members of the Federal Reserve Board research staff, by the Board of Governors, or by ADP. ADP's data privacy policy can be found at https://www.adp.com/aboutadp/data-privacy.aspx. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications.