Measuring Economic Policy Uncertainty
---- Acknowledgements ----
We thank Adam Jorring, Kyle Kost, Adulla Al-Kuwari, Sophie Biffar, Jörn Boehnke, Vladimir Dashkeyev, Olga Deriy, Eddie Dinh, Yuto Ezure, Robin Gong, Sonam Jindal, Ruben Kim, Sylvia Klosin, Jessica Koh, Peter Lajewski, David Nebiyu, Rebecca Sachs, Ippei Shibata, Corinne Stephenson, Naoko Takeda, Sophie Wang and Peter Xu for research assistance and the National Science Foundation, the MacArthur Foundation, the Sloan Foundation, Toulouse Network for Information Technology, and the Becker Friedman Institute, Initiative on Global Markets and the Stigler Center at the University of Chicago for financial support. We thank Matt Gentzkow, Kevin Hassett, Greg Ip, John Makin, Johannes Pfeifer, Itay Saporta, Sam Schulhofer-Wohl, Jesse Shapiro, Erik Sims, Stephen Terry and many seminar and conference audiences for comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.