Theory predicts that "common ownership" (ownership of rivals by a common shareholder) can be anticompetitive because it reduces the weight firms place on their own profits and shifts weight toward rival firms held by common shareholders. In this paper we use accounting data from the banking...

We find that ownership by different types of institutional investor has different implications for future firm misvaluation and governance characteristics. Dedicated institutional investors decrease future firm misvaluation relative to fundamentals, as well as the magnitude of this misvaluation....