Why do investors keep buying underperforming mutual funds? To address this issue, we develop a one-period principal-agent model with a representative investor and a fund manager in an asymmetric information framework. This model shows that the investors perception of the fund plays the key role...

What happens if A wants to buy a good or service from B, but not all relevant characteristics can be fixed in a contract? This book gives a non-technical overview of various models dealing with this situation. Particular emphasis is put on the problem that the service includes various tasks and...