The paper explores the consequences of SEC detection of illegal insider trading on subsequent insider trading activities. We hypothesize that individuals with private information update their subjective probabilities of getting caught and are less likely to exploit material, non-public...

This paper investigates whether information complementarities can explain the strong patterns of sectoral comovement observed empirically. It tests the theoretical model by Veldkamp and Wolfers (2007), which suggests that firms' output decisions are based on aggregate information rather than...