Recently, research on the causes of the Great Depression has shifted from a heavy emphasis on events in the United States to a broader, more comparative approach that examines the interwar experiences of many countries simultaneously. In this lecture I survey the current state of our knowledge...

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...