Social capital is often associated with desirable political and economic outcomes. This paper contributes to a growing literature on its "dark side". We examine the role of social capital in the downfall of democracy in interwar Germany. We analyze Nazi Party entry in a cross-section of cities,...

Social capital is often associated with desirable political and economic outcomes. This paper connects a growing literature on the “dark side” of social capital with institutional change. We examine the downfall of democracy in interwar Germany. Using new data on Nazi Party entry in a...

We study the emergence of urban self-governance during the Commercial Revolution in the 12th- 13th century and show that municipal autonomy shaped national institutions over the subsequent centuries. We focus on England after the Norman Conquest of 1066 and build a novel comprehensive dataset of...

We study the process that led to the inclusion of merchant towns in the English Parliament, using a novel comprehensive dataset for 549 medieval English towns (boroughs). Our analysis begins with the Norman Conquest in 1066 - an event of enormous political change that resulted in largely...

We collect new data on the density of associations in 229 towns and cities in interwar Germany. Towns with one standard deviation higher association density – a common proxy for social capital – saw at least 15% faster Nazi Party entry. Not only associations with a militaristic outlook (such...