We consider an innitely repeated reappointment game in a principal- agent relationship. Typical examples are voter-politician or government- public servant relationships. The agent chooses costly effort and enjoys being in office until he is deselected. The principal observes a noisy signal of...

The equilibrium and socially optimal balking strategies are investigated for unobservable and observable single-server classical retrial queues. There is no waiting space in front of the server. If an arriving customer finds the server idle, he occupies the server immediately and leaves the...

The following example illustrates the problem treated in this paper: Two gas stations are located one after the other on a main road. A driver who needs to fill his rank sees the queue situation at the first station but not at the second one. The driver estimates the expected waiting time at the...