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...

We study the effects of European immigration to the United States during the Age of Mass Migration (1850-1920) on economic prosperity today. We exploit variation in the extent of immigration across counties arising from the interaction of fluctuations in aggregate immigrant flows and the gradual...

We study the effects of European immigration to the United States during the Age of Mass Migration (1850-1920) on economic prosperity today. We exploit variation in the extent of immigration across counties arising from the interaction of fluctuations in aggregate immigrant flows and the gradual...

We study the effects of European immigration to the United States during the Age of Mass Migration (1850–1920) on economic prosperity today. We exploit variation in the extent of immigration across counties arising from the interaction of fluctuations in aggregate immigrant flows and the...

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...