Countries choose different strategies when responding to crises. An important challenge in assessing the impact of these policies is selection bias with respect to relatively time-invariant country characteristics, as well as time-varying values of outcome variables and other policy choices....

We quantify and study state-level economic policy uncertainty. Tapping digital archives for nearly 3,500 local newspapers, we construct three monthly indexes for each state: one that captures state and local sources of policy uncertainty (EPU-S), one that captures national and international...