Problem definition: Previous research has shown that early discharge of patients may hurt their medical outcomes. However, in many cases the “optimal” length of stay (LOS) and the best location for treatment of the patient are not obvious. A case in point is hematology patients, for whom...

We study large-scale service systems with multiple customer classes and many statistically identical servers. The following question is addressed: How many servers are required (staffing) and how does one match them with customers (control) to minimize staffing cost, subject to class-level...