When brokers, analysts, and fund managers buy or sell stocks for their own accounts, these “access employees” of financial institutions outperform retail investors over short windows up to a month. They earn particularly high abnormal returns when they trade before earnings announcements,...

This study examines whether and how business strategy influences a firm's over- and under-investment decisions. Prospector and defender strategies expose firms to different required levels of investment, monitoring, and managerial discretion which have implications for managerial investment...

Corporate directors earn abnormal returns when they buy their own company's stock as insiders. Directors also outperform when they buy stocks with an interlock connection, where a co-board member is an insider. Directors do not consistently earn abnormal returns when they sell these connected...

When brokers, analysts and fund managers buy or sell for their own account, they outperform retail investors over short windows up to a month. They earn particularly high abnormal returns when they trade simultaneously with other financial experts and when they trade before earnings...