This dissertation extends a growing literature on banking and finance by investigating bank corporate governance, internationalization, and bailouts. The first essay conducts the first assessment of shareholder activism in banking and its effects on risk and performance. Activism can create value and be an effective monitoring mechanism for banks, but it may also be a destabilizing mechanism, as maximizing shareholder value may cause financial instability. We focus on the conflicts among bank shareholders, managers, and creditors (e.g., regulators, deposit insurers, taxpayers, depositors). We find activism may generally be a destabilizing force, increasing bank risk-taking, but creating market value for shareholders, and leaving operating r...