This paper considers an appointment scheduling system that accommodates routine patients who book well in advance as well as same-day patients with acute needs who call in the morning for an appointment later that day. In addition to determining the appointment times that are assigned up-front...

This paper compares two types of appointment scheduling policies for single providers: traditional and open-access. Under traditional scheduling, each of a specified number of patients per day is booked well in advance, but may not show up for his or her appointment. Under open-access...

When buyers are uncertain about product valuations for future consumption, the seller incurs an information disadvantage if it allows consumers to purchase late, after they (privately) learn their true consumption state. Despite this, when customers are heterogeneous, it may be optimal for the...