Terrorist attacks influence economic growth and individual psychology. However, identifying the direct effect of terrorism on economics and psychology is difficult because institutions also change in response to terrorist attacks. This paper controls for institutional responses to terrorist...

This paper exploits hand-collected data on illegal insider trades to test whether standard illiquidity measures can detect informed trading. Controlling for unobserved cross-sectional and time-series variation, sampling bias, and strategic timing of insider trades, I find that only absolute...

Compared to the federal government, the average citizen in the U.S. has far greater interaction with city governments, including policing, health services, zoning laws, utilities, schooling, and transportation. At the regional level, it is city governments that provide the infrastructure and...

This paper exploits a novel hand-collected dataset to provide a comprehensive analysis of the social relationships that underlie illegal insider trading networks. I find that inside information flows through strong social ties based on family, friends, and geographic proximity. On average,...