Motivated by practices in customer contact centers, we consider a system that offers two
modes of service: real-time and postponed with a delay guarantee. Customers are informed …

Revenue management (RM) has become an indispensable strategic tool in capacity-
constrained service industries whose total revenue often depends on the abilities of firms to …

We consider a 2-class, single-server, preemptive priority queueing model in which the high-
priority customers form a classical M/M/1 queue, while the low-priority customers form the so …

Setting: Tele-ICU of a large healthcare system in New York State covering nine ICUs across
the spectrum of adult critical care. Patients: Seven-thousand three-hundred eighty-seven …

Service providers often share delay information, in the form of delay announcements, with
their customers. In practice, simple delay announcements, such as average waiting times or …

We study a repairable inventory system dedicated to a single component that is critical in
operating a capital good. The system consists of a stock point containing spare components …

The threshold policy for the restoration of an unreliable server in a service system with bulk
input and balking is investigated. The arriving customers in the queueing system are …

In this paper, we analyze a repair shop serving several fleets of machines that fail from time
to time. To reduce downtime costs, a continuous-review spare machine inventory is kept for …

In this paper, we analyze a two-class single-server preemptive priority queueing system with
arrivals to each class are assumed to follow a Poisson process with exponentially distributed …

This article considers a repair shop that fixes failed components from different k-out-of-n: G
systems. It is assumed that each system consists of the same type of component; to increase …