Motivated by empirical studies on the impact of information on abandonment in service systems, we study novel queueing models with abandonment rates that depend on the system state and the granularity of customers’ state information.We consider a two-class multi-server priority queue with...

Problem definition: The increase in demand for rehabilitation care has led to long admission delays. These delays not only affect patient outcomes, but also lead to bed blocking in acute care. Admission delays can be caused by capacity constraints or extra processing requirements....

Problem Definition: Medical operations require a large volume and variety of consumable supplies that are kept in hospital inventory and replenished on a regular basis. Stringent requirements on the availability of these supplies together with high variability in their daily usage contributes to...