The Persistence of Long-Run Abnormal Returns Following Stock Repurchases and Offerings

The long-run abnormal returns following both stock repurchases and seasoned equity offerings disappear for the events in 2003–2012. The disappearance is associated with the changing market environment: increased institutional investment, decreased trading costs, improved liquidity, and enhanced regulations on corporate governance and information disclosure. In response to the more efficient pricing of stocks, firms become less opportunistic in...