ObjectivesThe objective was to derive and validate a novel queuing theory–based model that predicts the effect of various patient crowding scenarios on patient left without being seen (LWBS) rates.MethodsRetrospective data were collected from all patient presentations to triage at an urban,...

Hospital emergency departments (EDs) typically rely on central laboratories to analyze patient samples for the purposes of diagnosing and treating patients. Point-of-care testing (POCT) is a process redesign that shifts the analysis of samples from the central lab to the ED. Using a queueing...

Problem definition: Restaurants can provide catering services to customers through the traditional offline channel or online food delivery platforms. Platforms claim they deserve to receive a positive commission fee from restaurants as they help restaurants expand their market and gain access to...

This paper studies the optimal component procurement strategies of two competing OEMs selling substitutable products. The OEMs outsource their production to a common contract manufacturer, who in turn needs an input from a component supplier. Each OEM may either directly procure the input from...

This paper studies a supply contracting problem where a buyer sources a product from a supplier to satisfy uncertain market demand. With the increasing length and complexity of today's global supply chains, the buyer may face two issues when designing the supply contract: adverse selection...