Households with familiarity biases tilt their portfolios toward a few risky assets. The resulting mean-variance loss from portfolio underdiversification is equivalent to only a modest reduction of about 1 percent per year in a household's portfolio return. However, once we consider also the...

Antitrust law has been adopted by 120 jurisdictions worldwide. In more than half of these jurisdictions, the agency charged with enforcing antitrust law also has other responsibilities. The assignment of multiple regulatory tasks can affect the performance of a competition agency in complex and...

A rational-expectations equilibrium with positive demand for financial information does exist under fully revealing asset price - contrary to a wide-held conjecture. Generalizing the common additive signal-return model with CARA utility to the family of distributions with moment generating...

The introduction of the euro marks a milestone in the process of European financial market integration. This paper analyzes the implications of the euro for cross-border banking activities. A portfolio model is used which captures the role of banks as providers of informational and of...

I address the comments made by Ortner (Games 9(4): 93, 2018) in relation to my note “Incentive Systems for Risky Investment Decisions Under Unknown Preferences: Ortner et al. Revisited” (Games 9(2): 26, 2018).

Start-up entrepreneurs are often commercially inexperienced. In giving managerial advice, venture capitalists can importantly enhance the success of innovative but highly risky ventures. The supply of experienced venture capitalists is not easily increased, however. When the rate of business...

This paper is about the corporate structure, the organizational structure, and the financial structure of firms, and how they relate to each other. We show that separation of ownership and control may arise as a response to overload costs, although it involves agency costs, and that...