- “The recovery of employment and the revival of US economic growth,” VoxEU, November 2016 (with Dale Jorgenson and Mun Ho).
- “The Outlook for U.S. Economic Growth,” in Brink Lindsey (ed) Understanding the Growth Slowdown, Cato Institute Press,Washington, DC, 2015 (with Dale Jorgenson and Mun Ho).
- “Trade Agreements and Trans-pacific Competition,” VoxEU, July 2015 (with Dale Jorgenson and Koji Nomura).