Universal banking is an alternative mechanism to a stock market for risk-sharing, for providing information for guiding investment, and for contesting corporate governance. In Germany, where the stock market has historically been small, banks hold equity stakes in firms and have proxy voting...

In the last two decades U.S. banks have become systematically less profitable and riskier as nonbank competition has eroded the profitability of banks' traditional activities. Bank failures, insignificant from 1934, the date the Glass-Steagall Act was passed, until 1980, rose exponentially in...

Firms are more complicated than standard principal-agent theory allows: firms have assets-in-place; firms endure through time, allowing for the possibility of replacing a shirking manager; firms have many managers, constraining the amount of equity that can be awarded to any one manager; and, a...