This paper studies the corporate governance and asset pricing implications of investors owning blocks in multiple firms. Common wisdom is that multi-firm ownership weakens governance because the blockholder is spread too thinly. We show that this need not be the case. In a single-firm benchmark,...

This paper studies the corporate governance and asset pricing implications of investors owning blocks in multiple firms. Common wisdom is that multi-firm ownership weakens governance because the blockholder is spread too thinly. We show that this need not be the case. In a single-firm benchmark,...

Conventional wisdom is that diversification weakens governance by spreading an investor too thinly. We show that, when an investor owns multiple firms ("common ownership"), governance through both voice and exit can strengthen -- even if the firms are in unrelated industries. Under common...

This paper develops a unified theory of blockholder governance and the voting premium. It explains how and why a voting premium emerges in the absence of takeovers and controlling shareholders. The model features a minority blockholder and dispersed shareholders who trade shares in a competitive...

The last forty years have seen two major economic trends: Wages have stalled despite rising productivity, and institutional investors have replaced retail shareholders as the predominant owners of the American equity markets. A few powerful institutional investors—dubbed common owners—now...