We investigate the origins and implications of zero-sum thinking - the belief that gains for one individual or group tend to come at the cost of others. Using a new survey of a representative sample of 20,400 US residents, we measure zero-sum thinking, political preferences, policy views, and a...

Nearly 400,000 Black men were drafted into the National Army during World War I, where they toiled in segregated units and received little formal training. Leveraging novel variation from the WWI draft lottery and millions of digitized military and NAACP records, we document the pioneering role...

We ask how childhood environment shapes political behavior. We measure young voters' participation and party affiliation in nationally comprehensive voter files and reconstruct their childhood location histories based on their parents' addresses. We compare outcomes of individuals who moved...